From patchwork Tue Oct 9 05:54:12 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Len Brown X-Patchwork-Id: 1568461 Return-Path: X-Original-To: patchwork-linux-acpi@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id D048BDFFCF for ; Tue, 9 Oct 2012 06:06:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753266Ab2JIGGW (ORCPT ); Tue, 9 Oct 2012 02:06:22 -0400 Received: from mail-qc0-f174.google.com ([209.85.216.174]:34159 "EHLO mail-qc0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753120Ab2JIGDd (ORCPT ); Tue, 9 Oct 2012 02:03:33 -0400 Received: by mail-qc0-f174.google.com with SMTP id d3so3587985qch.19 for ; Mon, 08 Oct 2012 23:03:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:x-mailer:in-reply-to :references:in-reply-to:references:reply-to:organization; bh=Hym6HhjqvqUACPq5LSX1j+lMi/J+O8qh6XdQSEkkSY0=; b=Zs5CtZKhkvDoWxzSz6EG82iYioqMKd+FHFrHwR8vYvIfXkTRjnfU5r5RC2A4qH2V3r hDVFCF9FWx9NUXnv0r4rC4OlgBj1LqACh4sRiIfnZ22ltPiQUq9O6FVk3LWdnAt5QD1m FOJP5KcvSrzTPgXPeX0gfUItkfA1dUv13bYckKgHXIcLPo8SQ1QFW0LOM8/OB8DwM8+y slIk1S2ExL4+PuxUrYrt3TExhEqFL7ZEvVcZePqpf2txqk0Uy7m1eXSXADfYmmuBNoCS eiaCLlXpb7v0ihs6YEelBrqIV5O9jUaTvclbLGHUVCbhYS46B1uNd4ZB71eFIC2FSrpS 9VmA== Received: by 10.49.82.199 with SMTP id k7mr46834366qey.52.1349762612580; Mon, 08 Oct 2012 23:03:32 -0700 (PDT) Received: from x980.localdomain6 (pool-74-104-146-186.bstnma.fios.verizon.net. [74.104.146.186]) by mx.google.com with ESMTPS id ck11sm20206037qab.17.2012.10.08.23.03.31 (version=SSLv3 cipher=OTHER); Mon, 08 Oct 2012 23:03:31 -0700 (PDT) From: Len Brown To: linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Amit Daniel Kachhap , SangWook Ju , Durgadoss , Jean Delvare , jonghwa lee , Kyungmin Park , Kukjin Kim , Andrew Morton , Amit Daniel Kachhap , Zhang Rui Subject: [PATCH 22/30] ARM: exynos: add thermal sensor driver platform data support Date: Tue, 9 Oct 2012 01:54:12 -0400 Message-Id: <17be868e04a1b98d72756ce7b51a95d03e7df49b.1349761836.git.len.brown@intel.com> X-Mailer: git-send-email 1.8.0.rc1 In-Reply-To: <1349762060-25334-1-git-send-email-lenb@kernel.org> References: <1349762060-25334-1-git-send-email-lenb@kernel.org> In-Reply-To: References: Reply-To: Len Brown Organization: Intel Open Source Technology Center Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org From: Amit Daniel Kachhap Add necessary default platform data support needed for TMU driver. The supplied dt/non-dt values are tested for origen exynos4210 and smdk exynos5250 platforms and only compile tested for exynos4412. Signed-off-by: Amit Daniel Kachhap Acked-by: Guenter Roeck Cc: SangWook Ju Cc: Durgadoss Cc: Len Brown Cc: Jean Delvare Cc: jonghwa lee Cc: Kyungmin Park Cc: Kukjin Kim Signed-off-by: Andrew Morton Signed-off-by: Amit Daniel Kachhap Signed-off-by: Zhang Rui --- drivers/thermal/exynos_thermal.c | 111 ++++++++++++++++++++++++++++++++++++++- 1 file changed, 110 insertions(+), 1 deletion(-) diff --git a/drivers/thermal/exynos_thermal.c b/drivers/thermal/exynos_thermal.c index e79cdc9..03a99e4 100644 --- a/drivers/thermal/exynos_thermal.c +++ b/drivers/thermal/exynos_thermal.c @@ -723,14 +723,121 @@ static irqreturn_t exynos_tmu_irq(int irq, void *id) static struct thermal_sensor_conf exynos_sensor_conf = { .name = "exynos-therm", .read_temperature = (int (*)(void *))exynos_tmu_read, +}; + +#if defined(CONFIG_CPU_EXYNOS4210) +static struct exynos_tmu_platform_data const exynos4210_default_tmu_data = { + .threshold = 80, + .trigger_levels[0] = 5, + .trigger_levels[1] = 20, + .trigger_levels[2] = 30, + .trigger_level0_en = 1, + .trigger_level1_en = 1, + .trigger_level2_en = 1, + .trigger_level3_en = 0, + .gain = 15, + .reference_voltage = 7, + .cal_type = TYPE_ONE_POINT_TRIMMING, + .freq_tab[0] = { + .freq_clip_max = 800 * 1000, + .temp_level = 85, + }, + .freq_tab[1] = { + .freq_clip_max = 200 * 1000, + .temp_level = 100, + }, + .freq_tab_count = 2, + .type = SOC_ARCH_EXYNOS4210, +}; +#define EXYNOS4210_TMU_DRV_DATA (&exynos4210_default_tmu_data) +#else +#define EXYNOS4210_TMU_DRV_DATA (NULL) +#endif + +#if defined(CONFIG_SOC_EXYNOS5250) || defined(CONFIG_SOC_EXYNOS4412) +static struct exynos_tmu_platform_data const exynos_default_tmu_data = { + .trigger_levels[0] = 85, + .trigger_levels[1] = 103, + .trigger_levels[2] = 110, + .trigger_level0_en = 1, + .trigger_level1_en = 1, + .trigger_level2_en = 1, + .trigger_level3_en = 0, + .gain = 8, + .reference_voltage = 16, + .noise_cancel_mode = 4, + .cal_type = TYPE_ONE_POINT_TRIMMING, + .efuse_value = 55, + .freq_tab[0] = { + .freq_clip_max = 800 * 1000, + .temp_level = 85, + }, + .freq_tab[1] = { + .freq_clip_max = 200 * 1000, + .temp_level = 103, + }, + .freq_tab_count = 2, + .type = SOC_ARCH_EXYNOS, +}; +#define EXYNOS_TMU_DRV_DATA (&exynos_default_tmu_data) +#else +#define EXYNOS_TMU_DRV_DATA (NULL) +#endif + +#ifdef CONFIG_OF +static const struct of_device_id exynos_tmu_match[] = { + { + .compatible = "samsung,exynos4210-tmu", + .data = (void *)EXYNOS4210_TMU_DRV_DATA, + }, + { + .compatible = "samsung,exynos5250-tmu", + .data = (void *)EXYNOS_TMU_DRV_DATA, + }, + {}, +}; +MODULE_DEVICE_TABLE(of, exynos_tmu_match); +#else +#define exynos_tmu_match NULL +#endif + +static struct platform_device_id exynos_tmu_driver_ids[] = { + { + .name = "exynos4210-tmu", + .driver_data = (kernel_ulong_t)EXYNOS4210_TMU_DRV_DATA, + }, + { + .name = "exynos5250-tmu", + .driver_data = (kernel_ulong_t)EXYNOS_TMU_DRV_DATA, + }, + { }, +}; +MODULE_DEVICE_TABLE(platform, exynos4_tmu_driver_ids); + +static inline struct exynos_tmu_platform_data *exynos_get_driver_data( + struct platform_device *pdev) +{ +#ifdef CONFIG_OF + if (pdev->dev.of_node) { + const struct of_device_id *match; + match = of_match_node(exynos_tmu_match, pdev->dev.of_node); + if (!match) + return NULL; + return (struct exynos_tmu_platform_data *) match->data; + } +#endif + return (struct exynos_tmu_platform_data *) + platform_get_device_id(pdev)->driver_data; } -; static int __devinit exynos_tmu_probe(struct platform_device *pdev) { struct exynos_tmu_data *data; struct exynos_tmu_platform_data *pdata = pdev->dev.platform_data; int ret, i; + if (!pdata) + pdata = exynos_get_driver_data(pdev); + if (!pdata) { dev_err(&pdev->dev, "No platform init data supplied.\n"); return -ENODEV; @@ -899,9 +1006,11 @@ static struct platform_driver exynos_tmu_driver = { .name = "exynos-tmu", .owner = THIS_MODULE, .pm = EXYNOS_TMU_PM, + .of_match_table = exynos_tmu_match, }, .probe = exynos_tmu_probe, .remove = __devexit_p(exynos_tmu_remove), + .id_table = exynos_tmu_driver_ids, }; module_platform_driver(exynos_tmu_driver);