From patchwork Thu Aug 16 11:41:44 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amit Kachhap X-Patchwork-Id: 1330941 Return-Path: X-Original-To: patchwork-linux-acpi@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 4BC0F40214 for ; Thu, 16 Aug 2012 11:43:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753388Ab2HPLmi (ORCPT ); Thu, 16 Aug 2012 07:42:38 -0400 Received: from mail-yx0-f174.google.com ([209.85.213.174]:34069 "EHLO mail-yx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752591Ab2HPLmf (ORCPT ); Thu, 16 Aug 2012 07:42:35 -0400 Received: by yenl14 with SMTP id l14so2772699yen.19 for ; Thu, 16 Aug 2012 04:42:34 -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; bh=KAF/AfLz7GDVD5x3BXYRAuizSFTy4UzwQKyWDaYSLao=; b=vcgi06oBs4BYaD0NN1JkU/2cyrBPLdH8pbOwRHZrlpYaZzVAoKDCR0ElgE7/PVdRgE QwXmOF4Op3nq7KhKiqdPn4teH3PUrmh+yvhWSD7HITXHo5j7un23KjvHJWr/7P0CSBfY XAX2YtXpy89nOZl7/5rQVlbtnzF1IBj4nsk4VBhJHCJVozB1Jm8trnLDUAocXXYhKK7B tviE1vOuHAXDTgplypE8T056x5o62Nm77uxOHABdrdnCWEN4MDQZKhRLEoaYjQ4k8yda TbWDykD/l0FYgR2dsB9MlF+HIbihIcHYuhW9yK/pIqKUWlvY2j23BTgAgQVhtUTcbAIb sSqg== Received: by 10.66.77.40 with SMTP id p8mr1640158paw.78.1345117354264; Thu, 16 Aug 2012 04:42:34 -0700 (PDT) Received: from localhost.localdomain ([115.113.119.130]) by mx.google.com with ESMTPS id b4sm1725495pbw.28.2012.08.16.04.42.28 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 16 Aug 2012 04:42:33 -0700 (PDT) From: Amit Daniel Kachhap To: linux-pm@lists.linux-foundation.org, Andrew Morton , Zhang Rui , Len Brown Cc: linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, lm-sensors@lm-sensors.org, amit.kachhap@linaro.org, SangWook Ju , Durgadoss , Len Brown , Jean Delvare , jonghwa lee , Kyungmin Park , Kukjin Kim Subject: [PATCH v6 5/6] ARM: exynos: add thermal sensor driver platform data support Date: Thu, 16 Aug 2012 17:11:44 +0530 Message-Id: <1345117305-8299-6-git-send-email-amit.kachhap@linaro.org> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1345117305-8299-1-git-send-email-amit.kachhap@linaro.org> References: <1345117305-8299-1-git-send-email-amit.kachhap@linaro.org> Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org 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 Reviewed-by: Thomas Abraham --- drivers/thermal/exynos_thermal.c | 111 +++++++++++++++++++++++++++++++++++++- 1 files changed, 110 insertions(+), 1 deletions(-) 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);