From patchwork Fri Nov 13 21:26:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Belloni X-Patchwork-Id: 11904607 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E2926138B for ; Fri, 13 Nov 2020 21:28:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D2C7822252 for ; Fri, 13 Nov 2020 21:28:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726177AbgKMV1G (ORCPT ); Fri, 13 Nov 2020 16:27:06 -0500 Received: from relay10.mail.gandi.net ([217.70.178.230]:53703 "EHLO relay10.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725885AbgKMV1C (ORCPT ); Fri, 13 Nov 2020 16:27:02 -0500 X-Greylist: delayed 43493 seconds by postgrey-1.27 at vger.kernel.org; Fri, 13 Nov 2020 16:27:01 EST Received: from localhost (lfbn-lyo-1-997-19.w86-194.abo.wanadoo.fr [86.194.74.19]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay10.mail.gandi.net (Postfix) with ESMTPSA id 52655240003; Fri, 13 Nov 2020 21:26:58 +0000 (UTC) From: Alexandre Belloni To: Jonathan Cameron Cc: Lars-Peter Clausen , Peter Meerwald-Stadler , Nicolas Ferre , Ludovic Desroches , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Alexandre Belloni Subject: [PATCH 1/9] iio: adc: at91_adc: remove platform data Date: Fri, 13 Nov 2020 22:26:42 +0100 Message-Id: <20201113212650.507680-2-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201113212650.507680-1-alexandre.belloni@bootlin.com> References: <20201113212650.507680-1-alexandre.belloni@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org The at91 platforms have been DT only for a while, remove platform data. Signed-off-by: Alexandre Belloni --- drivers/iio/adc/at91_adc.c | 80 +++++++------------------- include/linux/platform_data/at91_adc.h | 49 ---------------- 2 files changed, 22 insertions(+), 107 deletions(-) delete mode 100644 include/linux/platform_data/at91_adc.h diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 9b2c548fae95..62bd35af8b13 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -22,8 +22,6 @@ #include #include -#include - #include #include #include @@ -153,6 +151,25 @@ #define TOUCH_SHTIM 0xa #define TOUCH_SCTIM_US 10 /* 10us for the Touchscreen Switches Closure Time */ +enum atmel_adc_ts_type { + ATMEL_ADC_TOUCHSCREEN_NONE = 0, + ATMEL_ADC_TOUCHSCREEN_4WIRE = 4, + ATMEL_ADC_TOUCHSCREEN_5WIRE = 5, +}; + +/** + * struct at91_adc_trigger - description of triggers + * @name: name of the trigger advertised to the user + * @value: value to set in the ADC's trigger setup register + * to enable the trigger + * @is_external: Does the trigger rely on an external pin? + */ +struct at91_adc_trigger { + const char *name; + u8 value; + bool is_external; +}; + /** * struct at91_adc_reg_desc - Various informations relative to registers * @channel_base: Base offset for the channel data registers @@ -875,9 +892,6 @@ static int at91_adc_probe_dt(struct iio_dev *idev, int i = 0, ret; u32 prop; - if (!node) - return -EINVAL; - st->caps = (struct at91_adc_caps *) of_match_device(at91_adc_dt_ids, &pdev->dev)->data; @@ -960,30 +974,6 @@ static int at91_adc_probe_dt(struct iio_dev *idev, return ret; } -static int at91_adc_probe_pdata(struct at91_adc_state *st, - struct platform_device *pdev) -{ - struct at91_adc_data *pdata = pdev->dev.platform_data; - - if (!pdata) - return -EINVAL; - - st->caps = (struct at91_adc_caps *) - platform_get_device_id(pdev)->driver_data; - - st->use_external = pdata->use_external_triggers; - st->vref_mv = pdata->vref; - st->channels_mask = pdata->channels_used; - st->num_channels = st->caps->num_channels; - st->startup_time = pdata->startup_time; - st->trigger_number = pdata->trigger_number; - st->trigger_list = pdata->trigger_list; - st->registers = &st->caps->registers; - st->touchscreen_type = pdata->touchscreen_type; - - return 0; -} - static const struct iio_info at91_adc_info = { .read_raw = &at91_adc_read_raw, }; @@ -1160,15 +1150,9 @@ static int at91_adc_probe(struct platform_device *pdev) st = iio_priv(idev); - if (pdev->dev.of_node) - ret = at91_adc_probe_dt(idev, pdev); - else - ret = at91_adc_probe_pdata(st, pdev); - - if (ret) { - dev_err(&pdev->dev, "No platform data available.\n"); - return -EINVAL; - } + ret = at91_adc_probe_dt(idev, pdev); + if (ret) + return ret; platform_set_drvdata(pdev, idev); @@ -1444,29 +1428,9 @@ static const struct of_device_id at91_adc_dt_ids[] = { }; MODULE_DEVICE_TABLE(of, at91_adc_dt_ids); -static const struct platform_device_id at91_adc_ids[] = { - { - .name = "at91sam9260-adc", - .driver_data = (unsigned long)&at91sam9260_caps, - }, { - .name = "at91sam9rl-adc", - .driver_data = (unsigned long)&at91sam9rl_caps, - }, { - .name = "at91sam9g45-adc", - .driver_data = (unsigned long)&at91sam9g45_caps, - }, { - .name = "at91sam9x5-adc", - .driver_data = (unsigned long)&at91sam9x5_caps, - }, { - /* terminator */ - } -}; -MODULE_DEVICE_TABLE(platform, at91_adc_ids); - static struct platform_driver at91_adc_driver = { .probe = at91_adc_probe, .remove = at91_adc_remove, - .id_table = at91_adc_ids, .driver = { .name = DRIVER_NAME, .of_match_table = of_match_ptr(at91_adc_dt_ids), diff --git a/include/linux/platform_data/at91_adc.h b/include/linux/platform_data/at91_adc.h deleted file mode 100644 index f20eaeb827ce..000000000000 --- a/include/linux/platform_data/at91_adc.h +++ /dev/null @@ -1,49 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * Copyright (C) 2011 Free Electrons - */ - -#ifndef _AT91_ADC_H_ -#define _AT91_ADC_H_ - -enum atmel_adc_ts_type { - ATMEL_ADC_TOUCHSCREEN_NONE = 0, - ATMEL_ADC_TOUCHSCREEN_4WIRE = 4, - ATMEL_ADC_TOUCHSCREEN_5WIRE = 5, -}; - -/** - * struct at91_adc_trigger - description of triggers - * @name: name of the trigger advertised to the user - * @value: value to set in the ADC's trigger setup register - to enable the trigger - * @is_external: Does the trigger rely on an external pin? - */ -struct at91_adc_trigger { - const char *name; - u8 value; - bool is_external; -}; - -/** - * struct at91_adc_data - platform data for ADC driver - * @channels_used: channels in use on the board as a bitmask - * @startup_time: startup time of the ADC in microseconds - * @trigger_list: Triggers available in the ADC - * @trigger_number: Number of triggers available in the ADC - * @use_external_triggers: does the board has external triggers availables - * @vref: Reference voltage for the ADC in millivolts - * @touchscreen_type: If a touchscreen is connected, its type (4 or 5 wires) - */ -struct at91_adc_data { - unsigned long channels_used; - u8 startup_time; - struct at91_adc_trigger *trigger_list; - u8 trigger_number; - bool use_external_triggers; - u16 vref; - enum atmel_adc_ts_type touchscreen_type; -}; - -extern void __init at91_add_device_adc(struct at91_adc_data *data); -#endif From patchwork Fri Nov 13 21:26:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Belloni X-Patchwork-Id: 11904609 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 856EE138B for ; Fri, 13 Nov 2020 21:28:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6B4BA22252 for ; Fri, 13 Nov 2020 21:28:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726176AbgKMV2P (ORCPT ); Fri, 13 Nov 2020 16:28:15 -0500 Received: from relay10.mail.gandi.net ([217.70.178.230]:35761 "EHLO relay10.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726140AbgKMV1D (ORCPT ); Fri, 13 Nov 2020 16:27:03 -0500 Received: from localhost (lfbn-lyo-1-997-19.w86-194.abo.wanadoo.fr [86.194.74.19]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay10.mail.gandi.net (Postfix) with ESMTPSA id CA8AB240006; Fri, 13 Nov 2020 21:26:59 +0000 (UTC) From: Alexandre Belloni To: Jonathan Cameron Cc: Lars-Peter Clausen , Peter Meerwald-Stadler , Nicolas Ferre , Ludovic Desroches , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Alexandre Belloni Subject: [PATCH 2/9] iio: adc: at91_adc: rework resolution selection Date: Fri, 13 Nov 2020 22:26:43 +0100 Message-Id: <20201113212650.507680-3-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201113212650.507680-1-alexandre.belloni@bootlin.com> References: <20201113212650.507680-1-alexandre.belloni@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Move the possible resolution values back to the driver. This removes the atmel,adc-res and atmel,adc-res-names properties, leaving only atmel,adc-use-res. As atmel,adc-res-names had to contain "lowres" and "highres", those where already the only allowed values for atmel,adc-use-res. Also introduce a new compatible string for the sama5d3 as this is the only one with a different resolution. Also it doesn't event have the LOWRES bit. Signed-off-by: Alexandre Belloni --- .../devicetree/bindings/iio/adc/at91_adc.txt | 13 +-- drivers/iio/adc/at91_adc.c | 97 ++++++++----------- 2 files changed, 44 insertions(+), 66 deletions(-) diff --git a/Documentation/devicetree/bindings/iio/adc/at91_adc.txt b/Documentation/devicetree/bindings/iio/adc/at91_adc.txt index f65b04fb7962..da393ac5c05f 100644 --- a/Documentation/devicetree/bindings/iio/adc/at91_adc.txt +++ b/Documentation/devicetree/bindings/iio/adc/at91_adc.txt @@ -2,7 +2,7 @@ Required properties: - compatible: Should be "atmel,-adc" - can be "at91sam9260", "at91sam9g45" or "at91sam9x5" + can be "at91sam9260", "at91sam9g45", "at91sam9x5" or "sama5d3" - reg: Should contain ADC registers location and length - interrupts: Should contain the IRQ line for the ADC - clock-names: tuple listing input clock names. @@ -13,17 +13,12 @@ Required properties: - atmel,adc-startup-time: Startup Time of the ADC in microseconds as defined in the datasheet - atmel,adc-vref: Reference voltage in millivolts for the conversions - - atmel,adc-res: List of resolutions in bits supported by the ADC. List size - must be two at least. - - atmel,adc-res-names: Contains one identifier string for each resolution - in atmel,adc-res property. "lowres" and "highres" - identifiers are required. Optional properties: - atmel,adc-use-external-triggers: Boolean to enable the external triggers - - atmel,adc-use-res: String corresponding to an identifier from - atmel,adc-res-names property. If not specified, the highest - resolution will be used. + - atmel,adc-use-res: String selecting the resolution, can be "lowres" or + "highres". If not specified, the highest resolution will + be used. - atmel,adc-sleep-mode: Boolean to enable sleep mode when no conversion - atmel,adc-sample-hold-time: Sample and Hold Time in microseconds - atmel,adc-ts-wires: Number of touchscreen wires. Should be 4 or 5. If this diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 62bd35af8b13..0d67c812ef3d 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -204,6 +204,9 @@ struct at91_adc_caps { u32 (*calc_startup_ticks)(u32 startup_time, u32 adc_clk_khz); u8 num_channels; + + u8 low_res_bits; + u8 high_res_bits; struct at91_adc_reg_desc registers; }; @@ -229,7 +232,6 @@ struct at91_adc_state { bool use_external; u32 vref_mv; u32 res; /* resolution used for convertions */ - bool low_res; /* the resolution corresponds to the lowest one */ wait_queue_head_t wq_data_avail; struct at91_adc_caps *caps; @@ -754,58 +756,6 @@ static int at91_adc_read_raw(struct iio_dev *idev, return -EINVAL; } -static int at91_adc_of_get_resolution(struct iio_dev *idev, - struct platform_device *pdev) -{ - struct at91_adc_state *st = iio_priv(idev); - struct device_node *np = pdev->dev.of_node; - int count, i, ret = 0; - char *res_name, *s; - u32 *resolutions; - - count = of_property_count_strings(np, "atmel,adc-res-names"); - if (count < 2) { - dev_err(&idev->dev, "You must specified at least two resolution names for " - "adc-res-names property in the DT\n"); - return count; - } - - resolutions = kmalloc_array(count, sizeof(*resolutions), GFP_KERNEL); - if (!resolutions) - return -ENOMEM; - - if (of_property_read_u32_array(np, "atmel,adc-res", resolutions, count)) { - dev_err(&idev->dev, "Missing adc-res property in the DT.\n"); - ret = -ENODEV; - goto ret; - } - - if (of_property_read_string(np, "atmel,adc-use-res", (const char **)&res_name)) - res_name = "highres"; - - for (i = 0; i < count; i++) { - if (of_property_read_string_index(np, "atmel,adc-res-names", i, (const char **)&s)) - continue; - - if (strcmp(res_name, s)) - continue; - - st->res = resolutions[i]; - if (!strcmp(res_name, "lowres")) - st->low_res = true; - else - st->low_res = false; - - dev_info(&idev->dev, "Resolution used: %u bits\n", st->res); - goto ret; - } - - dev_err(&idev->dev, "There is no resolution for %s\n", res_name); - -ret: - kfree(resolutions); - return ret; -} static u32 calc_startup_ticks_9260(u32 startup_time, u32 adc_clk_khz) { @@ -891,6 +841,7 @@ static int at91_adc_probe_dt(struct iio_dev *idev, struct device_node *trig_node; int i = 0, ret; u32 prop; + char *s; st->caps = (struct at91_adc_caps *) of_match_device(at91_adc_dt_ids, &pdev->dev)->data; @@ -924,9 +875,13 @@ static int at91_adc_probe_dt(struct iio_dev *idev, } st->vref_mv = prop; - ret = at91_adc_of_get_resolution(idev, pdev); - if (ret) - goto error_ret; + st->res = st->caps->high_res_bits; + if (st->caps->low_res_bits && + !of_property_read_string(node, "atmel,adc-use-res", (const char **)&s) + && !strcmp(s, "lowres")) + st->res = st->caps->low_res_bits; + + dev_info(&idev->dev, "Resolution used: %u bits\n", st->res); st->registers = &st->caps->registers; st->num_channels = st->caps->num_channels; @@ -1248,7 +1203,7 @@ static int at91_adc_probe(struct platform_device *pdev) reg = AT91_ADC_PRESCAL_(prsc) & st->registers->mr_prescal_mask; reg |= AT91_ADC_STARTUP_(ticks) & st->registers->mr_startup_mask; - if (st->low_res) + if (st->res == st->caps->low_res_bits) reg |= AT91_ADC_LOWRES; if (st->sleep_mode) reg |= AT91_ADC_SLEEP; @@ -1363,6 +1318,8 @@ static SIMPLE_DEV_PM_OPS(at91_adc_pm_ops, at91_adc_suspend, at91_adc_resume); static struct at91_adc_caps at91sam9260_caps = { .calc_startup_ticks = calc_startup_ticks_9260, .num_channels = 4, + .low_res_bits = 8, + .high_res_bits = 10, .registers = { .channel_base = AT91_ADC_CHR(0), .drdy_mask = AT91_ADC_DRDY, @@ -1377,6 +1334,8 @@ static struct at91_adc_caps at91sam9rl_caps = { .has_ts = true, .calc_startup_ticks = calc_startup_ticks_9260, /* same as 9260 */ .num_channels = 6, + .low_res_bits = 8, + .high_res_bits = 10, .registers = { .channel_base = AT91_ADC_CHR(0), .drdy_mask = AT91_ADC_DRDY, @@ -1391,6 +1350,8 @@ static struct at91_adc_caps at91sam9g45_caps = { .has_ts = true, .calc_startup_ticks = calc_startup_ticks_9260, /* same as 9260 */ .num_channels = 8, + .low_res_bits = 8, + .high_res_bits = 10, .registers = { .channel_base = AT91_ADC_CHR(0), .drdy_mask = AT91_ADC_DRDY, @@ -1408,6 +1369,8 @@ static struct at91_adc_caps at91sam9x5_caps = { .ts_pen_detect_sensitivity = 2, .calc_startup_ticks = calc_startup_ticks_9x5, .num_channels = 12, + .low_res_bits = 8, + .high_res_bits = 10, .registers = { .channel_base = AT91_ADC_CDR0_9X5, .drdy_mask = AT91_ADC_SR_DRDY_9X5, @@ -1419,11 +1382,31 @@ static struct at91_adc_caps at91sam9x5_caps = { }, }; +static struct at91_adc_caps sama5d3_caps = { + .has_ts = true, + .has_tsmr = true, + .ts_filter_average = 3, + .ts_pen_detect_sensitivity = 2, + .calc_startup_ticks = calc_startup_ticks_9x5, + .num_channels = 12, + .low_res_bits = 0, + .high_res_bits = 12, + .registers = { + .channel_base = AT91_ADC_CDR0_9X5, + .drdy_mask = AT91_ADC_SR_DRDY_9X5, + .status_register = AT91_ADC_SR_9X5, + .trigger_register = AT91_ADC_TRGR_9X5, + .mr_prescal_mask = AT91_ADC_PRESCAL_9G45, + .mr_startup_mask = AT91_ADC_STARTUP_9X5, + }, +}; + static const struct of_device_id at91_adc_dt_ids[] = { { .compatible = "atmel,at91sam9260-adc", .data = &at91sam9260_caps }, { .compatible = "atmel,at91sam9rl-adc", .data = &at91sam9rl_caps }, { .compatible = "atmel,at91sam9g45-adc", .data = &at91sam9g45_caps }, { .compatible = "atmel,at91sam9x5-adc", .data = &at91sam9x5_caps }, + { .compatible = "atmel,sama5d3-adc", .data = &sama5d3_caps }, {}, }; MODULE_DEVICE_TABLE(of, at91_adc_dt_ids); From patchwork Fri Nov 13 21:26:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Belloni X-Patchwork-Id: 11904623 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 794B6138B for ; Fri, 13 Nov 2020 21:29:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 62A3B22252 for ; Fri, 13 Nov 2020 21:29:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726525AbgKMV3M (ORCPT ); Fri, 13 Nov 2020 16:29:12 -0500 Received: from mslow2.mail.gandi.net ([217.70.178.242]:52354 "EHLO mslow2.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726537AbgKMV3K (ORCPT ); Fri, 13 Nov 2020 16:29:10 -0500 Received: from relay1-d.mail.gandi.net (unknown [217.70.183.193]) by mslow2.mail.gandi.net (Postfix) with ESMTP id 1BC913AA2E9 for ; Fri, 13 Nov 2020 21:27:29 +0000 (UTC) X-Originating-IP: 86.194.74.19 Received: from localhost (lfbn-lyo-1-997-19.w86-194.abo.wanadoo.fr [86.194.74.19]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay1-d.mail.gandi.net (Postfix) with ESMTPSA id A044B240006; Fri, 13 Nov 2020 21:27:00 +0000 (UTC) From: Alexandre Belloni To: Jonathan Cameron Cc: Lars-Peter Clausen , Peter Meerwald-Stadler , Nicolas Ferre , Ludovic Desroches , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Jonathan Cameron , Alexandre Belloni Subject: [PATCH 3/9] dt-bindings:iio:adc:atmel,sama9260-adc: conversion to yaml from at91_adc.txt Date: Fri, 13 Nov 2020 22:26:44 +0100 Message-Id: <20201113212650.507680-4-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201113212650.507680-1-alexandre.belloni@bootlin.com> References: <20201113212650.507680-1-alexandre.belloni@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org From: Jonathan Cameron There are a few things we would do differently in an ADC binding if we were starting from scratch but we are stuck with what we have (which made sense back when this was written!) We may be able to tighten up some elements of this binding in the future by careful checking of what values properties can actually take. Signed-off-by: Jonathan Cameron Cc: Alexandre Belloni Cc: Nicolas Ferre Cc: Ludovic Desroches [Alexandre Belloni: add sama5d3, remove atmel,adc-res and atmel,adc-res-names] Signed-off-by: Alexandre Belloni --- .../devicetree/bindings/iio/adc/at91_adc.txt | 78 -------- .../bindings/iio/adc/atmel,sama9260-adc.yaml | 167 ++++++++++++++++++ 2 files changed, 167 insertions(+), 78 deletions(-) delete mode 100644 Documentation/devicetree/bindings/iio/adc/at91_adc.txt create mode 100644 Documentation/devicetree/bindings/iio/adc/atmel,sama9260-adc.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/at91_adc.txt b/Documentation/devicetree/bindings/iio/adc/at91_adc.txt deleted file mode 100644 index da393ac5c05f..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/at91_adc.txt +++ /dev/null @@ -1,78 +0,0 @@ -* AT91's Analog to Digital Converter (ADC) - -Required properties: - - compatible: Should be "atmel,-adc" - can be "at91sam9260", "at91sam9g45", "at91sam9x5" or "sama5d3" - - reg: Should contain ADC registers location and length - - interrupts: Should contain the IRQ line for the ADC - - clock-names: tuple listing input clock names. - Required elements: "adc_clk", "adc_op_clk". - - clocks: phandles to input clocks. - - atmel,adc-channels-used: Bitmask of the channels muxed and enabled for this - device - - atmel,adc-startup-time: Startup Time of the ADC in microseconds as - defined in the datasheet - - atmel,adc-vref: Reference voltage in millivolts for the conversions - -Optional properties: - - atmel,adc-use-external-triggers: Boolean to enable the external triggers - - atmel,adc-use-res: String selecting the resolution, can be "lowres" or - "highres". If not specified, the highest resolution will - be used. - - atmel,adc-sleep-mode: Boolean to enable sleep mode when no conversion - - atmel,adc-sample-hold-time: Sample and Hold Time in microseconds - - atmel,adc-ts-wires: Number of touchscreen wires. Should be 4 or 5. If this - value is set, then the adc driver will enable touchscreen - support. - NOTE: when adc touchscreen is enabled, the adc hardware trigger will be - disabled. Since touchscreen will occupy the trigger register. - - atmel,adc-ts-pressure-threshold: a pressure threshold for touchscreen. It - makes touch detection more precise. - -Optional trigger Nodes: - - Required properties: - * trigger-name: Name of the trigger exposed to the user - * trigger-value: Value to put in the Trigger register - to activate this trigger - - Optional properties: - * trigger-external: Is the trigger an external trigger? - -Examples: -adc0: adc@fffb0000 { - #address-cells = <1>; - #size-cells = <0>; - compatible = "atmel,at91sam9260-adc"; - reg = <0xfffb0000 0x100>; - interrupts = <20 IRQ_TYPE_LEVEL_HIGH 0>; - clocks = <&adc_clk>, <&adc_op_clk>; - clock-names = "adc_clk", "adc_op_clk"; - atmel,adc-channels-used = <0xff>; - atmel,adc-startup-time = <40>; - atmel,adc-use-external-triggers; - atmel,adc-vref = <3300>; - atmel,adc-res = <8 10>; - atmel,adc-res-names = "lowres", "highres"; - atmel,adc-use-res = "lowres"; - - trigger0 { - trigger-name = "external-rising"; - trigger-value = <0x1>; - trigger-external; - }; - trigger1 { - trigger-name = "external-falling"; - trigger-value = <0x2>; - trigger-external; - }; - - trigger2 { - trigger-name = "external-any"; - trigger-value = <0x3>; - trigger-external; - }; - - trigger3 { - trigger-name = "continuous"; - trigger-value = <0x6>; - }; -}; diff --git a/Documentation/devicetree/bindings/iio/adc/atmel,sama9260-adc.yaml b/Documentation/devicetree/bindings/iio/adc/atmel,sama9260-adc.yaml new file mode 100644 index 000000000000..9b0ff59e75de --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/atmel,sama9260-adc.yaml @@ -0,0 +1,167 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/atmel,sama9260-adc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: AT91 sama9260 and similar Analog to Digital Converter (ADC) + +maintainers: + - Alexandre Belloni + +properties: + compatible: + enum: + - atmel,at91sam9260-adc + - atmel,at91sam9rl-adc + - atmel,at91sam9g45-adc + - atmel,at91sam9x5-adc + - atmel,at91sama5d3-adc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 2 + maxItems: 2 + + clock-names: + items: + - const: adc_clk + - const: adc_op_clk + + atmel,adc-channels-used: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Bitmask of the channels muxed and enabled for this device + + atmel,adc-startup-time: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Startup Time of the ADC in microseconds as defined in the datasheet + + atmel,adc-vref: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Reference voltage in millivolts for the conversions + + atmel,adc-use-external-triggers: + $ref: /schemas/types.yaml#/definitions/flag + description: Enable the external triggers + + atmel,adc-use-res: + $ref: /schemas/types.yaml#/definitions/string + description: + String corresponding to an identifier from atmel,adc-res-names property. + If not specified, the highest resolution will be used. + enum: + - "lowres" + - "highres" + + atmel,adc-sleep-mode: + $ref: /schemas/types.yaml#/definitions/flag + description: Enable sleep mode when no conversion + + atmel,adc-sample-hold-time: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Sample and Hold Time in microseconds + + atmel,adc-ts-wires: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Number of touchscreen wires. Must be set to enable touchscreen. + NOTE: when adc touchscreen is enabled, the adc hardware trigger will be + disabled. Since touchscreen will occupy the trigger register. + enum: + - 4 + - 5 + + atmel,adc-ts-pressure-threshold: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Pressure threshold for touchscreen. + + "#io-channel-cells": + const: 1 + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - atmel,adc-channels-used + - atmel,adc-startup-time + - atmel,adc-vref + +patternProperties: + "^(trigger)[0-9]$": + type: object + description: Child node to describe a trigger exposed to the user. + properties: + trigger-name: + $ref: /schemas/types.yaml#/definitions/string + description: Identifying name. + + trigger-value: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Value to put in the Trigger register to activate this trigger + + trigger-external: + $ref: /schemas/types.yaml#/definitions/flag + description: This trigger is provided from an external pin. + + additionalProperties: false + required: + - trigger-name + - trigger-value + +examples: + - | + #include + #include + soc { + #address-cells = <1>; + #size-cells = <1>; + + adc@fffb0000 { + compatible = "atmel,at91sam9260-adc"; + reg = <0xfffb0000 0x100>; + interrupts = <20 IRQ_TYPE_LEVEL_HIGH 0>; + clocks = <&adc_clk>, <&adc_op_clk>; + clock-names = "adc_clk", "adc_op_clk"; + atmel,adc-channels-used = <0xff>; + atmel,adc-startup-time = <40>; + atmel,adc-use-external-triggers; + atmel,adc-vref = <3300>; + atmel,adc-use-res = "lowres"; + + trigger0 { + trigger-name = "external-rising"; + trigger-value = <0x1>; + trigger-external; + }; + + trigger1 { + trigger-name = "external-falling"; + trigger-value = <0x2>; + trigger-external; + }; + + trigger2 { + trigger-name = "external-any"; + trigger-value = <0x3>; + trigger-external; + }; + + trigger3 { + trigger-name = "continuous"; + trigger-value = <0x6>; + }; + }; + }; +... From patchwork Fri Nov 13 21:26:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Belloni X-Patchwork-Id: 11904603 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9D643138B for ; Fri, 13 Nov 2020 21:28:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8732C22264 for ; Fri, 13 Nov 2020 21:28:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726514AbgKMV1x (ORCPT ); Fri, 13 Nov 2020 16:27:53 -0500 Received: from relay10.mail.gandi.net ([217.70.178.230]:58319 "EHLO relay10.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726158AbgKMV1I (ORCPT ); Fri, 13 Nov 2020 16:27:08 -0500 Received: from localhost (lfbn-lyo-1-997-19.w86-194.abo.wanadoo.fr [86.194.74.19]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay10.mail.gandi.net (Postfix) with ESMTPSA id BEB6B240002; Fri, 13 Nov 2020 21:27:01 +0000 (UTC) From: Alexandre Belloni To: Jonathan Cameron Cc: Lars-Peter Clausen , Peter Meerwald-Stadler , Nicolas Ferre , Ludovic Desroches , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Alexandre Belloni Subject: [PATCH 4/9] iio: adc: at91_adc: rework trigger definition Date: Fri, 13 Nov 2020 22:26:45 +0100 Message-Id: <20201113212650.507680-5-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201113212650.507680-1-alexandre.belloni@bootlin.com> References: <20201113212650.507680-1-alexandre.belloni@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Move the available trigger definition back in the driver to stop cluttering the device tree. There is no functional change except that it actually fixes the available triggers for at91sam9rl as it inherited the list from at91sam9260 but actually has the triggers from at91sam9x5. Signed-off-by: Alexandre Belloni --- .../bindings/iio/adc/atmel,sama9260-adc.yaml | 46 ----------- drivers/iio/adc/at91_adc.c | 80 +++++++++---------- 2 files changed, 36 insertions(+), 90 deletions(-) diff --git a/Documentation/devicetree/bindings/iio/adc/atmel,sama9260-adc.yaml b/Documentation/devicetree/bindings/iio/adc/atmel,sama9260-adc.yaml index 9b0ff59e75de..e6a1f915b542 100644 --- a/Documentation/devicetree/bindings/iio/adc/atmel,sama9260-adc.yaml +++ b/Documentation/devicetree/bindings/iio/adc/atmel,sama9260-adc.yaml @@ -97,29 +97,6 @@ required: - atmel,adc-startup-time - atmel,adc-vref -patternProperties: - "^(trigger)[0-9]$": - type: object - description: Child node to describe a trigger exposed to the user. - properties: - trigger-name: - $ref: /schemas/types.yaml#/definitions/string - description: Identifying name. - - trigger-value: - $ref: /schemas/types.yaml#/definitions/uint32 - description: - Value to put in the Trigger register to activate this trigger - - trigger-external: - $ref: /schemas/types.yaml#/definitions/flag - description: This trigger is provided from an external pin. - - additionalProperties: false - required: - - trigger-name - - trigger-value - examples: - | #include @@ -139,29 +116,6 @@ examples: atmel,adc-use-external-triggers; atmel,adc-vref = <3300>; atmel,adc-use-res = "lowres"; - - trigger0 { - trigger-name = "external-rising"; - trigger-value = <0x1>; - trigger-external; - }; - - trigger1 { - trigger-name = "external-falling"; - trigger-value = <0x2>; - trigger-external; - }; - - trigger2 { - trigger-name = "external-any"; - trigger-value = <0x3>; - trigger-external; - }; - - trigger3 { - trigger-name = "continuous"; - trigger-value = <0x6>; - }; }; }; ... diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 0d67c812ef3d..83539422b704 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -207,6 +207,8 @@ struct at91_adc_caps { u8 low_res_bits; u8 high_res_bits; + u32 trigger_number; + const struct at91_adc_trigger *triggers; struct at91_adc_reg_desc registers; }; @@ -227,8 +229,6 @@ struct at91_adc_state { u8 sample_hold_time; bool sleep_mode; struct iio_trigger **trig; - struct at91_adc_trigger *trigger_list; - u32 trigger_number; bool use_external; u32 vref_mv; u32 res; /* resolution used for convertions */ @@ -537,13 +537,13 @@ static int at91_adc_channel_init(struct iio_dev *idev) } static int at91_adc_get_trigger_value_by_name(struct iio_dev *idev, - struct at91_adc_trigger *triggers, + const struct at91_adc_trigger *triggers, const char *trigger_name) { struct at91_adc_state *st = iio_priv(idev); int i; - for (i = 0; i < st->trigger_number; i++) { + for (i = 0; i < st->caps->trigger_number; i++) { char *name = kasprintf(GFP_KERNEL, "%s-dev%d-%s", idev->name, @@ -575,7 +575,7 @@ static int at91_adc_configure_trigger(struct iio_trigger *trig, bool state) u8 bit; value = at91_adc_get_trigger_value_by_name(idev, - st->trigger_list, + st->caps->triggers, idev->trig->name); if (value < 0) return value; @@ -620,7 +620,7 @@ static const struct iio_trigger_ops at91_adc_trigger_ops = { }; static struct iio_trigger *at91_adc_allocate_trigger(struct iio_dev *idev, - struct at91_adc_trigger *trigger) + const struct at91_adc_trigger *trigger) { struct iio_trigger *trig; int ret; @@ -647,7 +647,7 @@ static int at91_adc_trigger_init(struct iio_dev *idev) int i, ret; st->trig = devm_kcalloc(&idev->dev, - st->trigger_number, sizeof(*st->trig), + st->caps->trigger_number, sizeof(*st->trig), GFP_KERNEL); if (st->trig == NULL) { @@ -655,12 +655,12 @@ static int at91_adc_trigger_init(struct iio_dev *idev) goto error_ret; } - for (i = 0; i < st->trigger_number; i++) { - if (st->trigger_list[i].is_external && !(st->use_external)) + for (i = 0; i < st->caps->trigger_number; i++) { + if (st->caps->triggers[i].is_external && !(st->use_external)) continue; st->trig[i] = at91_adc_allocate_trigger(idev, - st->trigger_list + i); + st->caps->triggers + i); if (st->trig[i] == NULL) { dev_err(&idev->dev, "Could not allocate trigger %d\n", i); @@ -685,7 +685,7 @@ static void at91_adc_trigger_remove(struct iio_dev *idev) struct at91_adc_state *st = iio_priv(idev); int i; - for (i = 0; i < st->trigger_number; i++) { + for (i = 0; i < st->caps->trigger_number; i++) { iio_trigger_unregister(st->trig[i]); iio_trigger_free(st->trig[i]); } @@ -838,8 +838,7 @@ static int at91_adc_probe_dt(struct iio_dev *idev, { struct at91_adc_state *st = iio_priv(idev); struct device_node *node = pdev->dev.of_node; - struct device_node *trig_node; - int i = 0, ret; + int ret; u32 prop; char *s; @@ -885,37 +884,6 @@ static int at91_adc_probe_dt(struct iio_dev *idev, st->registers = &st->caps->registers; st->num_channels = st->caps->num_channels; - st->trigger_number = of_get_child_count(node); - st->trigger_list = devm_kcalloc(&idev->dev, - st->trigger_number, - sizeof(struct at91_adc_trigger), - GFP_KERNEL); - if (!st->trigger_list) { - dev_err(&idev->dev, "Could not allocate trigger list memory.\n"); - ret = -ENOMEM; - goto error_ret; - } - - for_each_child_of_node(node, trig_node) { - struct at91_adc_trigger *trig = st->trigger_list + i; - const char *name; - - if (of_property_read_string(trig_node, "trigger-name", &name)) { - dev_err(&idev->dev, "Missing trigger-name property in the DT.\n"); - ret = -EINVAL; - goto error_ret; - } - trig->name = name; - - if (of_property_read_u32(trig_node, "trigger-value", &prop)) { - dev_err(&idev->dev, "Missing trigger-value property in the DT.\n"); - ret = -EINVAL; - goto error_ret; - } - trig->value = prop; - trig->is_external = of_property_read_bool(trig_node, "trigger-external"); - i++; - } /* Check if touchscreen is supported. */ if (st->caps->has_ts) @@ -1315,6 +1283,13 @@ static int at91_adc_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(at91_adc_pm_ops, at91_adc_suspend, at91_adc_resume); +static const struct at91_adc_trigger at91sam9260_triggers[] = { + { .name = "timer-counter-0", .value = 0x1 }, + { .name = "timer-counter-1", .value = 0x3 }, + { .name = "timer-counter-2", .value = 0x5 }, + { .name = "external", .value = 0xd, .is_external = true }, +}; + static struct at91_adc_caps at91sam9260_caps = { .calc_startup_ticks = calc_startup_ticks_9260, .num_channels = 4, @@ -1328,6 +1303,15 @@ static struct at91_adc_caps at91sam9260_caps = { .mr_prescal_mask = AT91_ADC_PRESCAL_9260, .mr_startup_mask = AT91_ADC_STARTUP_9260, }, + .triggers = at91sam9260_triggers, + .trigger_number = ARRAY_SIZE(at91sam9260_triggers), +}; + +static const struct at91_adc_trigger at91sam9x5_triggers[] = { + { .name = "external-rising", .value = 0x1, .is_external = true }, + { .name = "external-falling", .value = 0x2, .is_external = true }, + { .name = "external-any", .value = 0x3, .is_external = true }, + { .name = "continuous", .value = 0x6 }, }; static struct at91_adc_caps at91sam9rl_caps = { @@ -1344,6 +1328,8 @@ static struct at91_adc_caps at91sam9rl_caps = { .mr_prescal_mask = AT91_ADC_PRESCAL_9260, .mr_startup_mask = AT91_ADC_STARTUP_9G45, }, + .triggers = at91sam9x5_triggers, + .trigger_number = ARRAY_SIZE(at91sam9x5_triggers), }; static struct at91_adc_caps at91sam9g45_caps = { @@ -1360,6 +1346,8 @@ static struct at91_adc_caps at91sam9g45_caps = { .mr_prescal_mask = AT91_ADC_PRESCAL_9G45, .mr_startup_mask = AT91_ADC_STARTUP_9G45, }, + .triggers = at91sam9x5_triggers, + .trigger_number = ARRAY_SIZE(at91sam9x5_triggers), }; static struct at91_adc_caps at91sam9x5_caps = { @@ -1380,6 +1368,8 @@ static struct at91_adc_caps at91sam9x5_caps = { .mr_prescal_mask = AT91_ADC_PRESCAL_9G45, .mr_startup_mask = AT91_ADC_STARTUP_9X5, }, + .triggers = at91sam9x5_triggers, + .trigger_number = ARRAY_SIZE(at91sam9x5_triggers), }; static struct at91_adc_caps sama5d3_caps = { @@ -1399,6 +1389,8 @@ static struct at91_adc_caps sama5d3_caps = { .mr_prescal_mask = AT91_ADC_PRESCAL_9G45, .mr_startup_mask = AT91_ADC_STARTUP_9X5, }, + .triggers = at91sam9x5_triggers, + .trigger_number = ARRAY_SIZE(at91sam9x5_triggers), }; static const struct of_device_id at91_adc_dt_ids[] = { From patchwork Fri Nov 13 21:26:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Belloni X-Patchwork-Id: 11904619 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EA7C214C0 for ; Fri, 13 Nov 2020 21:29:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D6E6F22255 for ; Fri, 13 Nov 2020 21:29:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726642AbgKMV3L (ORCPT ); Fri, 13 Nov 2020 16:29:11 -0500 Received: from mslow2.mail.gandi.net ([217.70.178.242]:52344 "EHLO mslow2.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726524AbgKMV3K (ORCPT ); Fri, 13 Nov 2020 16:29:10 -0500 Received: from relay8-d.mail.gandi.net (unknown [217.70.183.201]) by mslow2.mail.gandi.net (Postfix) with ESMTP id C49493A1954 for ; Fri, 13 Nov 2020 21:27:28 +0000 (UTC) X-Originating-IP: 86.194.74.19 Received: from localhost (lfbn-lyo-1-997-19.w86-194.abo.wanadoo.fr [86.194.74.19]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay8-d.mail.gandi.net (Postfix) with ESMTPSA id D91781BF20B; Fri, 13 Nov 2020 21:27:02 +0000 (UTC) From: Alexandre Belloni To: Jonathan Cameron Cc: Lars-Peter Clausen , Peter Meerwald-Stadler , Nicolas Ferre , Ludovic Desroches , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Alexandre Belloni Subject: [PATCH 5/9] iio: adc: at91_adc: merge at91_adc_probe_dt back in at91_adc_probe Date: Fri, 13 Nov 2020 22:26:46 +0100 Message-Id: <20201113212650.507680-6-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201113212650.507680-1-alexandre.belloni@bootlin.com> References: <20201113212650.507680-1-alexandre.belloni@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org at91_adc_probe_dt is now small enough to be merged back in at91_adc_probe. Signed-off-by: Alexandre Belloni --- drivers/iio/adc/at91_adc.c | 118 +++++++++++++++---------------------- 1 file changed, 49 insertions(+), 69 deletions(-) diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 83539422b704..9f05eb722f5e 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -833,70 +833,6 @@ static int at91_adc_probe_dt_ts(struct device_node *node, } } -static int at91_adc_probe_dt(struct iio_dev *idev, - struct platform_device *pdev) -{ - struct at91_adc_state *st = iio_priv(idev); - struct device_node *node = pdev->dev.of_node; - int ret; - u32 prop; - char *s; - - st->caps = (struct at91_adc_caps *) - of_match_device(at91_adc_dt_ids, &pdev->dev)->data; - - st->use_external = of_property_read_bool(node, "atmel,adc-use-external-triggers"); - - if (of_property_read_u32(node, "atmel,adc-channels-used", &prop)) { - dev_err(&idev->dev, "Missing adc-channels-used property in the DT.\n"); - ret = -EINVAL; - goto error_ret; - } - st->channels_mask = prop; - - st->sleep_mode = of_property_read_bool(node, "atmel,adc-sleep-mode"); - - if (of_property_read_u32(node, "atmel,adc-startup-time", &prop)) { - dev_err(&idev->dev, "Missing adc-startup-time property in the DT.\n"); - ret = -EINVAL; - goto error_ret; - } - st->startup_time = prop; - - prop = 0; - of_property_read_u32(node, "atmel,adc-sample-hold-time", &prop); - st->sample_hold_time = prop; - - if (of_property_read_u32(node, "atmel,adc-vref", &prop)) { - dev_err(&idev->dev, "Missing adc-vref property in the DT.\n"); - ret = -EINVAL; - goto error_ret; - } - st->vref_mv = prop; - - st->res = st->caps->high_res_bits; - if (st->caps->low_res_bits && - !of_property_read_string(node, "atmel,adc-use-res", (const char **)&s) - && !strcmp(s, "lowres")) - st->res = st->caps->low_res_bits; - - dev_info(&idev->dev, "Resolution used: %u bits\n", st->res); - - st->registers = &st->caps->registers; - st->num_channels = st->caps->num_channels; - - /* Check if touchscreen is supported. */ - if (st->caps->has_ts) - return at91_adc_probe_dt_ts(node, st, &idev->dev); - else - dev_info(&idev->dev, "not support touchscreen in the adc compatible string.\n"); - - return 0; - -error_ret: - return ret; -} - static const struct iio_info at91_adc_info = { .read_raw = &at91_adc_read_raw, }; @@ -1062,10 +998,12 @@ static void at91_ts_unregister(struct at91_adc_state *st) static int at91_adc_probe(struct platform_device *pdev) { unsigned int prsc, mstrclk, ticks, adc_clk, adc_clk_khz, shtim; + struct device_node *node = pdev->dev.of_node; int ret; struct iio_dev *idev; struct at91_adc_state *st; - u32 reg; + u32 reg, prop; + char *s; idev = devm_iio_device_alloc(&pdev->dev, sizeof(struct at91_adc_state)); if (!idev) @@ -1073,9 +1011,52 @@ static int at91_adc_probe(struct platform_device *pdev) st = iio_priv(idev); - ret = at91_adc_probe_dt(idev, pdev); - if (ret) - return ret; + st->caps = (struct at91_adc_caps *) + of_match_device(at91_adc_dt_ids, &pdev->dev)->data; + + st->use_external = of_property_read_bool(node, "atmel,adc-use-external-triggers"); + + if (of_property_read_u32(node, "atmel,adc-channels-used", &prop)) { + dev_err(&idev->dev, "Missing adc-channels-used property in the DT.\n"); + return -EINVAL; + } + st->channels_mask = prop; + + st->sleep_mode = of_property_read_bool(node, "atmel,adc-sleep-mode"); + + if (of_property_read_u32(node, "atmel,adc-startup-time", &prop)) { + dev_err(&idev->dev, "Missing adc-startup-time property in the DT.\n"); + return -EINVAL; + } + st->startup_time = prop; + + prop = 0; + of_property_read_u32(node, "atmel,adc-sample-hold-time", &prop); + st->sample_hold_time = prop; + + if (of_property_read_u32(node, "atmel,adc-vref", &prop)) { + dev_err(&idev->dev, "Missing adc-vref property in the DT.\n"); + return -EINVAL; + } + st->vref_mv = prop; + + st->res = st->caps->high_res_bits; + if (st->caps->low_res_bits && + !of_property_read_string(node, "atmel,adc-use-res", (const char **)&s) + && !strcmp(s, "lowres")) + st->res = st->caps->low_res_bits; + + dev_info(&idev->dev, "Resolution used: %u bits\n", st->res); + + st->registers = &st->caps->registers; + st->num_channels = st->caps->num_channels; + + /* Check if touchscreen is supported. */ + if (st->caps->has_ts) { + ret = at91_adc_probe_dt_ts(node, st, &idev->dev); + if (ret) + return ret; + } platform_set_drvdata(pdev, idev); @@ -1091,7 +1072,6 @@ static int at91_adc_probe(struct platform_device *pdev) if (IS_ERR(st->reg_base)) return PTR_ERR(st->reg_base); - /* * Disable all IRQs before setting up the handler */ From patchwork Fri Nov 13 21:26:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Belloni X-Patchwork-Id: 11904605 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EBF3C16C1 for ; Fri, 13 Nov 2020 21:28:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D1BE922258 for ; Fri, 13 Nov 2020 21:28:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726276AbgKMV1I (ORCPT ); Fri, 13 Nov 2020 16:27:08 -0500 Received: from relay10.mail.gandi.net ([217.70.178.230]:39991 "EHLO relay10.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726175AbgKMV1I (ORCPT ); Fri, 13 Nov 2020 16:27:08 -0500 Received: from localhost (lfbn-lyo-1-997-19.w86-194.abo.wanadoo.fr [86.194.74.19]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay10.mail.gandi.net (Postfix) with ESMTPSA id 21D30240005; Fri, 13 Nov 2020 21:27:04 +0000 (UTC) From: Alexandre Belloni To: Jonathan Cameron Cc: Lars-Peter Clausen , Peter Meerwald-Stadler , Nicolas Ferre , Ludovic Desroches , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Alexandre Belloni Subject: [PATCH 6/9] iio: adc: at91_adc: remove forward declaration Date: Fri, 13 Nov 2020 22:26:47 +0100 Message-Id: <20201113212650.507680-7-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201113212650.507680-1-alexandre.belloni@bootlin.com> References: <20201113212650.507680-1-alexandre.belloni@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Remove the forward declaration of at91_adc_dt_ids by using device_get_match_data. Also add const were possible since it is not discarded by the cast anymore. Signed-off-by: Alexandre Belloni --- drivers/iio/adc/at91_adc.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 9f05eb722f5e..76aeebce6f4d 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -224,7 +224,6 @@ struct at91_adc_state { struct mutex lock; u8 num_channels; void __iomem *reg_base; - struct at91_adc_reg_desc *registers; u32 startup_time; u8 sample_hold_time; bool sleep_mode; @@ -233,7 +232,8 @@ struct at91_adc_state { u32 vref_mv; u32 res; /* resolution used for convertions */ wait_queue_head_t wq_data_avail; - struct at91_adc_caps *caps; + const struct at91_adc_caps *caps; + const struct at91_adc_reg_desc *registers; /* * Following ADC channels are shared by touchscreen: @@ -569,7 +569,7 @@ static int at91_adc_configure_trigger(struct iio_trigger *trig, bool state) { struct iio_dev *idev = iio_trigger_get_drvdata(trig); struct at91_adc_state *st = iio_priv(idev); - struct at91_adc_reg_desc *reg = st->registers; + const struct at91_adc_reg_desc *reg = st->registers; u32 status = at91_adc_readl(st, reg->trigger_register); int value; u8 bit; @@ -796,8 +796,6 @@ static u32 calc_startup_ticks_9x5(u32 startup_time, u32 adc_clk_khz) return ticks; } -static const struct of_device_id at91_adc_dt_ids[]; - static int at91_adc_probe_dt_ts(struct device_node *node, struct at91_adc_state *st, struct device *dev) { @@ -1011,8 +1009,7 @@ static int at91_adc_probe(struct platform_device *pdev) st = iio_priv(idev); - st->caps = (struct at91_adc_caps *) - of_match_device(at91_adc_dt_ids, &pdev->dev)->data; + st->caps = device_get_match_data(&pdev->dev); st->use_external = of_property_read_bool(node, "atmel,adc-use-external-triggers"); From patchwork Fri Nov 13 21:26:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Belloni X-Patchwork-Id: 11904621 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E550B138B for ; Fri, 13 Nov 2020 21:29:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D5E8522255 for ; Fri, 13 Nov 2020 21:29:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726524AbgKMV3L (ORCPT ); Fri, 13 Nov 2020 16:29:11 -0500 Received: from mslow2.mail.gandi.net ([217.70.178.242]:52356 "EHLO mslow2.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726525AbgKMV3J (ORCPT ); Fri, 13 Nov 2020 16:29:09 -0500 Received: from relay6-d.mail.gandi.net (unknown [217.70.183.198]) by mslow2.mail.gandi.net (Postfix) with ESMTP id CFDB53AA3A7 for ; Fri, 13 Nov 2020 21:27:33 +0000 (UTC) X-Originating-IP: 86.194.74.19 Received: from localhost (lfbn-lyo-1-997-19.w86-194.abo.wanadoo.fr [86.194.74.19]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay6-d.mail.gandi.net (Postfix) with ESMTPSA id F1947C0005; Fri, 13 Nov 2020 21:27:04 +0000 (UTC) From: Alexandre Belloni To: Jonathan Cameron Cc: Lars-Peter Clausen , Peter Meerwald-Stadler , Nicolas Ferre , Ludovic Desroches , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Alexandre Belloni Subject: [PATCH 7/9] iio: adc: at91_adc: use devm_input_allocate_device Date: Fri, 13 Nov 2020 22:26:48 +0100 Message-Id: <20201113212650.507680-8-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201113212650.507680-1-alexandre.belloni@bootlin.com> References: <20201113212650.507680-1-alexandre.belloni@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Use devm_input_allocate_device to allocate the input device to simplify the error and remove paths. Signed-off-by: Alexandre Belloni --- drivers/iio/adc/at91_adc.c | 25 +++---------------------- 1 file changed, 3 insertions(+), 22 deletions(-) diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 76aeebce6f4d..d09ceb315c5a 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -937,9 +937,8 @@ static int at91_ts_register(struct iio_dev *idev, { struct at91_adc_state *st = iio_priv(idev); struct input_dev *input; - int ret; - input = input_allocate_device(); + input = devm_input_allocate_device(&pdev->dev); if (!input) { dev_err(&idev->dev, "Failed to allocate TS device!\n"); return -ENOMEM; @@ -964,8 +963,7 @@ static int at91_ts_register(struct iio_dev *idev, if (st->touchscreen_type != ATMEL_ADC_TOUCHSCREEN_4WIRE) { dev_err(&pdev->dev, "This touchscreen controller only support 4 wires\n"); - ret = -EINVAL; - goto err; + return -EINVAL; } input_set_abs_params(input, ABS_X, 0, (1 << MAX_RLPOS_BITS) - 1, @@ -977,20 +975,7 @@ static int at91_ts_register(struct iio_dev *idev, st->ts_input = input; input_set_drvdata(input, st); - ret = input_register_device(input); - if (ret) - goto err; - - return ret; - -err: - input_free_device(st->ts_input); - return ret; -} - -static void at91_ts_unregister(struct at91_adc_state *st) -{ - input_unregister_device(st->ts_input); + return input_register_device(input); } static int at91_adc_probe(struct platform_device *pdev) @@ -1203,8 +1188,6 @@ static int at91_adc_probe(struct platform_device *pdev) if (!st->touchscreen_type) { at91_adc_trigger_remove(idev); at91_adc_buffer_remove(idev); - } else { - at91_ts_unregister(st); } error_disable_adc_clk: clk_disable_unprepare(st->adc_clk); @@ -1224,8 +1207,6 @@ static int at91_adc_remove(struct platform_device *pdev) if (!st->touchscreen_type) { at91_adc_trigger_remove(idev); at91_adc_buffer_remove(idev); - } else { - at91_ts_unregister(st); } clk_disable_unprepare(st->adc_clk); clk_disable_unprepare(st->clk); From patchwork Fri Nov 13 21:26:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Belloni X-Patchwork-Id: 11904627 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3ED581746 for ; Fri, 13 Nov 2020 21:29:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1E5E922255 for ; Fri, 13 Nov 2020 21:29:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726627AbgKMV3K (ORCPT ); Fri, 13 Nov 2020 16:29:10 -0500 Received: from mslow2.mail.gandi.net ([217.70.178.242]:52352 "EHLO mslow2.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726526AbgKMV3J (ORCPT ); Fri, 13 Nov 2020 16:29:09 -0500 Received: from relay9-d.mail.gandi.net (unknown [217.70.183.199]) by mslow2.mail.gandi.net (Postfix) with ESMTP id D046B3ABAEA for ; Fri, 13 Nov 2020 21:27:33 +0000 (UTC) X-Originating-IP: 86.194.74.19 Received: from localhost (lfbn-lyo-1-997-19.w86-194.abo.wanadoo.fr [86.194.74.19]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay9-d.mail.gandi.net (Postfix) with ESMTPSA id 4CC5BFF804; Fri, 13 Nov 2020 21:27:07 +0000 (UTC) From: Alexandre Belloni To: Jonathan Cameron Cc: Lars-Peter Clausen , Peter Meerwald-Stadler , Nicolas Ferre , Ludovic Desroches , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Alexandre Belloni Subject: [PATCH 8/9] ARM: dts: at91: sama5d3: use proper ADC compatible Date: Fri, 13 Nov 2020 22:26:49 +0100 Message-Id: <20201113212650.507680-9-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201113212650.507680-1-alexandre.belloni@bootlin.com> References: <20201113212650.507680-1-alexandre.belloni@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org The ADC is different from the at91sam9x5 ADC. Not only it doesn't have the same resolution but it even have only one and the LOWRES bit doesn't exist. Signed-off-by: Alexandre Belloni --- arch/arm/boot/dts/sama5d3.dtsi | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/sama5d3.dtsi b/arch/arm/boot/dts/sama5d3.dtsi index 86137f8d2b45..e0807b723533 100644 --- a/arch/arm/boot/dts/sama5d3.dtsi +++ b/arch/arm/boot/dts/sama5d3.dtsi @@ -307,7 +307,7 @@ ssc1: ssc@f800c000 { adc0: adc@f8018000 { #address-cells = <1>; #size-cells = <0>; - compatible = "atmel,at91sam9x5-adc"; + compatible = "atmel,sama5d3-adc"; reg = <0xf8018000 0x100>; interrupts = <29 IRQ_TYPE_LEVEL_HIGH 5>; pinctrl-names = "default"; @@ -333,9 +333,7 @@ &pinctrl_adc0_ad11 atmel,adc-startup-time = <40>; atmel,adc-use-external-triggers; atmel,adc-vref = <3000>; - atmel,adc-res = <10 12>; atmel,adc-sample-hold-time = <11>; - atmel,adc-res-names = "lowres", "highres"; status = "disabled"; trigger0 { From patchwork Fri Nov 13 21:26:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Belloni X-Patchwork-Id: 11904625 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9F1E214C0 for ; Fri, 13 Nov 2020 21:29:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8F27C22252 for ; Fri, 13 Nov 2020 21:29:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726537AbgKMV3N (ORCPT ); Fri, 13 Nov 2020 16:29:13 -0500 Received: from mslow2.mail.gandi.net ([217.70.178.242]:52620 "EHLO mslow2.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726611AbgKMV3M (ORCPT ); Fri, 13 Nov 2020 16:29:12 -0500 Received: from relay6-d.mail.gandi.net (unknown [217.70.183.198]) by mslow2.mail.gandi.net (Postfix) with ESMTP id 4B00A3ACF5C for ; Fri, 13 Nov 2020 21:27:35 +0000 (UTC) X-Originating-IP: 86.194.74.19 Received: from localhost (lfbn-lyo-1-997-19.w86-194.abo.wanadoo.fr [86.194.74.19]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay6-d.mail.gandi.net (Postfix) with ESMTPSA id 98D0AC0004; Fri, 13 Nov 2020 21:27:08 +0000 (UTC) From: Alexandre Belloni To: Jonathan Cameron Cc: Lars-Peter Clausen , Peter Meerwald-Stadler , Nicolas Ferre , Ludovic Desroches , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Alexandre Belloni Subject: [PATCH 9/9] ARM: dts: at91: remove deprecated ADC properties Date: Fri, 13 Nov 2020 22:26:50 +0100 Message-Id: <20201113212650.507680-10-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201113212650.507680-1-alexandre.belloni@bootlin.com> References: <20201113212650.507680-1-alexandre.belloni@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org atmel,adc-res, atmel,adc-res-names and the trigger nodes are not parsed by the driver anymore and the information is now defined in the driver data. Also remove the leftover #address-cells and #size-cells that were used when the trigger nodes had a unit-address. Finally, the default is already to use the highest resoution. Remove atmel,adc-use-res from the SoC dtsi. Signed-off-by: Alexandre Belloni --- arch/arm/boot/dts/at91sam9260.dtsi | 25 ------------------------- arch/arm/boot/dts/at91sam9g45.dtsi | 27 --------------------------- arch/arm/boot/dts/at91sam9rl.dtsi | 25 ------------------------- arch/arm/boot/dts/at91sam9x5.dtsi | 28 ---------------------------- arch/arm/boot/dts/sama5d3.dtsi | 22 ---------------------- arch/arm/boot/dts/sama5d4.dtsi | 22 ---------------------- 6 files changed, 149 deletions(-) diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi index 82c5d7fd9811..019f1c3d4d30 100644 --- a/arch/arm/boot/dts/at91sam9260.dtsi +++ b/arch/arm/boot/dts/at91sam9260.dtsi @@ -697,8 +697,6 @@ spi1: spi@fffcc000 { }; adc0: adc@fffe0000 { - #address-cells = <1>; - #size-cells = <0>; compatible = "atmel,at91sam9260-adc"; reg = <0xfffe0000 0x100>; interrupts = <5 IRQ_TYPE_LEVEL_HIGH 0>; @@ -708,29 +706,6 @@ adc0: adc@fffe0000 { atmel,adc-channels-used = <0xf>; atmel,adc-vref = <3300>; atmel,adc-startup-time = <15>; - atmel,adc-res = <8 10>; - atmel,adc-res-names = "lowres", "highres"; - atmel,adc-use-res = "highres"; - - trigger0 { - trigger-name = "timer-counter-0"; - trigger-value = <0x1>; - }; - trigger1 { - trigger-name = "timer-counter-1"; - trigger-value = <0x3>; - }; - - trigger2 { - trigger-name = "timer-counter-2"; - trigger-value = <0x5>; - }; - - trigger3 { - trigger-name = "external"; - trigger-value = <0xd>; - trigger-external; - }; }; rtc@fffffd20 { diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi index 19fc748a87c5..2ab730fd6472 100644 --- a/arch/arm/boot/dts/at91sam9g45.dtsi +++ b/arch/arm/boot/dts/at91sam9g45.dtsi @@ -812,8 +812,6 @@ ac97: sound@fffac000 { }; adc0: adc@fffb0000 { - #address-cells = <1>; - #size-cells = <0>; compatible = "atmel,at91sam9g45-adc"; reg = <0xfffb0000 0x100>; interrupts = <20 IRQ_TYPE_LEVEL_HIGH 0>; @@ -822,31 +820,6 @@ adc0: adc@fffb0000 { atmel,adc-channels-used = <0xff>; atmel,adc-vref = <3300>; atmel,adc-startup-time = <40>; - atmel,adc-res = <8 10>; - atmel,adc-res-names = "lowres", "highres"; - atmel,adc-use-res = "highres"; - - trigger0 { - trigger-name = "external-rising"; - trigger-value = <0x1>; - trigger-external; - }; - trigger1 { - trigger-name = "external-falling"; - trigger-value = <0x2>; - trigger-external; - }; - - trigger2 { - trigger-name = "external-any"; - trigger-value = <0x3>; - trigger-external; - }; - - trigger3 { - trigger-name = "continuous"; - trigger-value = <0x6>; - }; }; isi@fffb4000 { diff --git a/arch/arm/boot/dts/at91sam9rl.dtsi b/arch/arm/boot/dts/at91sam9rl.dtsi index 5653e70c84b4..730d1182c73e 100644 --- a/arch/arm/boot/dts/at91sam9rl.dtsi +++ b/arch/arm/boot/dts/at91sam9rl.dtsi @@ -266,8 +266,6 @@ spi0: spi@fffcc000 { }; adc0: adc@fffd0000 { - #address-cells = <1>; - #size-cells = <0>; compatible = "atmel,at91sam9rl-adc"; reg = <0xfffd0000 0x100>; interrupts = <20 IRQ_TYPE_LEVEL_HIGH 0>; @@ -277,29 +275,6 @@ adc0: adc@fffd0000 { atmel,adc-channels-used = <0x3f>; atmel,adc-vref = <3300>; atmel,adc-startup-time = <40>; - atmel,adc-res = <8 10>; - atmel,adc-res-names = "lowres", "highres"; - atmel,adc-use-res = "highres"; - - trigger0 { - trigger-name = "timer-counter-0"; - trigger-value = <0x1>; - }; - trigger1 { - trigger-name = "timer-counter-1"; - trigger-value = <0x3>; - }; - - trigger2 { - trigger-name = "timer-counter-2"; - trigger-value = <0x5>; - }; - - trigger3 { - trigger-name = "external"; - trigger-value = <0x13>; - trigger-external; - }; }; usb0: gadget@fffd4000 { diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi index 4cdb05079cc7..395e883644cd 100644 --- a/arch/arm/boot/dts/at91sam9x5.dtsi +++ b/arch/arm/boot/dts/at91sam9x5.dtsi @@ -795,8 +795,6 @@ uart1: serial@f8044000 { }; adc0: adc@f804c000 { - #address-cells = <1>; - #size-cells = <0>; compatible = "atmel,at91sam9x5-adc"; reg = <0xf804c000 0x100>; interrupts = <19 IRQ_TYPE_LEVEL_HIGH 0>; @@ -808,32 +806,6 @@ adc0: adc@f804c000 { atmel,adc-vref = <3300>; atmel,adc-startup-time = <40>; atmel,adc-sample-hold-time = <11>; - atmel,adc-res = <8 10>; - atmel,adc-res-names = "lowres", "highres"; - atmel,adc-use-res = "highres"; - - trigger0 { - trigger-name = "external-rising"; - trigger-value = <0x1>; - trigger-external; - }; - - trigger1 { - trigger-name = "external-falling"; - trigger-value = <0x2>; - trigger-external; - }; - - trigger2 { - trigger-name = "external-any"; - trigger-value = <0x3>; - trigger-external; - }; - - trigger3 { - trigger-name = "continuous"; - trigger-value = <0x6>; - }; }; spi0: spi@f0000000 { diff --git a/arch/arm/boot/dts/sama5d3.dtsi b/arch/arm/boot/dts/sama5d3.dtsi index e0807b723533..7c979652f330 100644 --- a/arch/arm/boot/dts/sama5d3.dtsi +++ b/arch/arm/boot/dts/sama5d3.dtsi @@ -305,8 +305,6 @@ ssc1: ssc@f800c000 { }; adc0: adc@f8018000 { - #address-cells = <1>; - #size-cells = <0>; compatible = "atmel,sama5d3-adc"; reg = <0xf8018000 0x100>; interrupts = <29 IRQ_TYPE_LEVEL_HIGH 5>; @@ -335,26 +333,6 @@ &pinctrl_adc0_ad11 atmel,adc-vref = <3000>; atmel,adc-sample-hold-time = <11>; status = "disabled"; - - trigger0 { - trigger-name = "external-rising"; - trigger-value = <0x1>; - trigger-external; - }; - trigger1 { - trigger-name = "external-falling"; - trigger-value = <0x2>; - trigger-external; - }; - trigger2 { - trigger-name = "external-any"; - trigger-value = <0x3>; - trigger-external; - }; - trigger3 { - trigger-name = "continuous"; - trigger-value = <0x6>; - }; }; i2c2: i2c@f801c000 { diff --git a/arch/arm/boot/dts/sama5d4.dtsi b/arch/arm/boot/dts/sama5d4.dtsi index 04f24cf752d3..05c55875835d 100644 --- a/arch/arm/boot/dts/sama5d4.dtsi +++ b/arch/arm/boot/dts/sama5d4.dtsi @@ -661,31 +661,9 @@ adc0: adc@fc034000 { atmel,adc-startup-time = <40>; atmel,adc-use-external-triggers; atmel,adc-vref = <3000>; - atmel,adc-res = <8 10>; atmel,adc-sample-hold-time = <11>; - atmel,adc-res-names = "lowres", "highres"; atmel,adc-ts-pressure-threshold = <10000>; status = "disabled"; - - trigger0 { - trigger-name = "external-rising"; - trigger-value = <0x1>; - trigger-external; - }; - trigger1 { - trigger-name = "external-falling"; - trigger-value = <0x2>; - trigger-external; - }; - trigger2 { - trigger-name = "external-any"; - trigger-value = <0x3>; - trigger-external; - }; - trigger3 { - trigger-name = "continuous"; - trigger-value = <0x6>; - }; }; aes@fc044000 {