From patchwork Wed Feb 28 10:36:00 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Schulz X-Patchwork-Id: 10247153 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 62BA260211 for ; Wed, 28 Feb 2018 10:37:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5F19A27F85 for ; Wed, 28 Feb 2018 10:37:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5406927FA5; Wed, 28 Feb 2018 10:37:44 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0421D27F85 for ; Wed, 28 Feb 2018 10:37:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752590AbeB1KhB (ORCPT ); Wed, 28 Feb 2018 05:37:01 -0500 Received: from mail.bootlin.com ([62.4.15.54]:55897 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752229AbeB1Kg6 (ORCPT ); Wed, 28 Feb 2018 05:36:58 -0500 Received: by mail.bootlin.com (Postfix, from userid 110) id B077C20993; Wed, 28 Feb 2018 11:36:55 +0100 (CET) Received: from localhost.localdomain (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.bootlin.com (Postfix) with ESMTPSA id 582A220883; Wed, 28 Feb 2018 11:36:36 +0100 (CET) From: Quentin Schulz To: sre@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, wens@csie.org Cc: maxime.ripard@bootlin.com, lee.jones@linaro.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, thomas.petazzoni@bootlin.com, linux-sunxi@googlegroups.com, Quentin Schulz Subject: [PATCH v5 5/6] power: supply: axp20x_battery: add support for AXP813 Date: Wed, 28 Feb 2018 11:36:00 +0100 Message-Id: <3969fa859a80afba1fe3c9b71cf3147111582520.1519813976.git-series.quentin.schulz@bootlin.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: References: In-Reply-To: References: Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The X-Powers AXP813 PMIC has got some slight differences from AXP20X/AXP22X PMICs: - the maximum voltage supplied by the PMIC is 4.35 instead of 4.36/4.24 for AXP20X/AXP22X, - the constant charge current formula is different, It also has a bit to tell whether the battery percentage returned by the PMIC is valid. Signed-off-by: Quentin Schulz Reviewed-by: Chen-Yu Tsai --- drivers/power/supply/axp20x_battery.c | 42 ++++++++++++++++++++++++++++- 1 file changed, 42 insertions(+) diff --git a/drivers/power/supply/axp20x_battery.c b/drivers/power/supply/axp20x_battery.c index 04a0d91..4f69c0e 100644 --- a/drivers/power/supply/axp20x_battery.c +++ b/drivers/power/supply/axp20x_battery.c @@ -49,6 +49,8 @@ #define AXP22X_CHRG_CTRL1_TGT_4_22V (1 << 5) #define AXP22X_CHRG_CTRL1_TGT_4_24V (3 << 5) +#define AXP813_CHRG_CTRL1_TGT_4_35V (3 << 5) + #define AXP20X_CHRG_CTRL1_TGT_CURR GENMASK(3, 0) #define AXP20X_V_OFF_MASK GENMASK(2, 0) @@ -133,6 +135,35 @@ static int axp22x_battery_get_max_voltage(struct axp20x_batt_ps *axp20x_batt, return 0; } +static int axp813_battery_get_max_voltage(struct axp20x_batt_ps *axp20x_batt, + int *val) +{ + int ret, reg; + + ret = regmap_read(axp20x_batt->regmap, AXP20X_CHRG_CTRL1, ®); + if (ret) + return ret; + + switch (reg & AXP20X_CHRG_CTRL1_TGT_VOLT) { + case AXP20X_CHRG_CTRL1_TGT_4_1V: + *val = 4100000; + break; + case AXP20X_CHRG_CTRL1_TGT_4_15V: + *val = 4150000; + break; + case AXP20X_CHRG_CTRL1_TGT_4_2V: + *val = 4200000; + break; + case AXP813_CHRG_CTRL1_TGT_4_35V: + *val = 4350000; + break; + default: + return -EINVAL; + } + + return 0; +} + static int axp20x_get_constant_charge_current(struct axp20x_batt_ps *axp, int *val) { @@ -491,6 +522,14 @@ static const struct axp_data axp221_data = { .set_max_voltage = axp22x_battery_set_max_voltage, }; +static const struct axp_data axp813_data = { + .ccc_scale = 200000, + .ccc_offset = 200000, + .has_fg_valid = true, + .get_max_voltage = axp813_battery_get_max_voltage, + .set_max_voltage = axp20x_battery_set_max_voltage, +}; + static const struct of_device_id axp20x_battery_ps_id[] = { { .compatible = "x-powers,axp209-battery-power-supply", @@ -498,6 +537,9 @@ static const struct of_device_id axp20x_battery_ps_id[] = { }, { .compatible = "x-powers,axp221-battery-power-supply", .data = (void *)&axp221_data, + }, { + .compatible = "x-powers,axp813-battery-power-supply", + .data = (void *)&axp813_data, }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, axp20x_battery_ps_id);