From patchwork Tue Apr 24 20:32:35 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 903850 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-ide-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 40Vw8C3ddpz9ry1 for ; Wed, 25 Apr 2018 06:35:55 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752550AbeDXUfx (ORCPT ); Tue, 24 Apr 2018 16:35:53 -0400 Received: from mail.kernel.org ([198.145.29.99]:41828 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751506AbeDXUdx (ORCPT ); Tue, 24 Apr 2018 16:33:53 -0400 Received: from localhost.localdomain (adsl-84-226-183-37.adslplus.ch [84.226.183.37]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2BC48217CE; Tue, 24 Apr 2018 20:33:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2BC48217CE Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=krzk@kernel.org From: Krzysztof Kozlowski To: Kukjin Kim , Krzysztof Kozlowski , Rob Herring , Mark Rutland , Tejun Heo , Sylwester Nawrocki , Tomasz Figa , Chanwoo Choi , Michael Turquette , Stephen Boyd , "Rafael J. Wysocki" , Viresh Kumar , Zhang Rui , Eduardo Valentin , Russell King , Hans de Goede , Linus Walleij , Andi Shyti , Mark Brown , Bartlomiej Zolnierkiewicz , Alan Stern , Greg Kroah-Hartman , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, linux-clk@vger.kernel.org, linux-pm@vger.kernel.org, linux-i2c@vger.kernel.org, linux-gpio@vger.kernel.org, linux-spi@vger.kernel.org, linux-usb@vger.kernel.org Cc: Marek Szyprowski , Arnd Bergmann , Olof Johansson , Jaehoon Chung Subject: [RFC 06/10] thermal: samsung: Remove support for Exynos5440 Date: Tue, 24 Apr 2018 22:32:35 +0200 Message-Id: <20180424203239.21885-7-krzk@kernel.org> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180424203239.21885-1-krzk@kernel.org> References: <20180424203239.21885-1-krzk@kernel.org> Sender: linux-ide-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org The Exynos5440 is not actively developed, there are no development boards available and probably there are no real products with it. Remove wide-tree support for Exynos5440. Signed-off-by: Krzysztof Kozlowski Acked-by: Bartlomiej Zolnierkiewicz Reviewed-by: Chanwoo Choi --- .../devicetree/bindings/thermal/exynos-thermal.txt | 14 +- drivers/thermal/samsung/exynos_tmu.c | 155 +-------------------- drivers/thermal/samsung/exynos_tmu.h | 1 - 3 files changed, 4 insertions(+), 166 deletions(-) diff --git a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt index b957acff57aa..ad648d93d961 100644 --- a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt +++ b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt @@ -12,7 +12,6 @@ "samsung,exynos5420-tmu-ext-triminfo" for TMU channels 2, 3 and 4 Exynos5420 (Must pass triminfo base and triminfo clock) "samsung,exynos5433-tmu" - "samsung,exynos5440-tmu" "samsung,exynos7-tmu" - interrupt-parent : The phandle for the interrupt controller - reg : Address range of the thermal registers. For soc's which has multiple @@ -68,18 +67,7 @@ Example 1): #thermal-sensor-cells = <0>; }; -Example 2): - - tmuctrl_0: tmuctrl@160118 { - compatible = "samsung,exynos5440-tmu"; - reg = <0x160118 0x230>, <0x160368 0x10>; - interrupts = <0 58 0>; - clocks = <&clock 21>; - clock-names = "tmu_apbif"; - #thermal-sensor-cells = <0>; - }; - -Example 3): (In case of Exynos5420 "with misplaced TRIMINFO register") +Example 2): (In case of Exynos5420 "with misplaced TRIMINFO register") tmu_cpu2: tmu@10068000 { compatible = "samsung,exynos5420-tmu-ext-triminfo"; reg = <0x10068000 0x100>, <0x1006c000 0x4>; diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index ed805c7c5ace..f92f470bce21 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -123,28 +123,6 @@ #define EXYNOS5433_PD_DET_EN 1 -/*exynos5440 specific registers*/ -#define EXYNOS5440_TMU_S0_7_TRIM 0x000 -#define EXYNOS5440_TMU_S0_7_CTRL 0x020 -#define EXYNOS5440_TMU_S0_7_DEBUG 0x040 -#define EXYNOS5440_TMU_S0_7_TEMP 0x0f0 -#define EXYNOS5440_TMU_S0_7_TH0 0x110 -#define EXYNOS5440_TMU_S0_7_TH1 0x130 -#define EXYNOS5440_TMU_S0_7_TH2 0x150 -#define EXYNOS5440_TMU_S0_7_IRQEN 0x210 -#define EXYNOS5440_TMU_S0_7_IRQ 0x230 -/* exynos5440 common registers */ -#define EXYNOS5440_TMU_IRQ_STATUS 0x000 -#define EXYNOS5440_TMU_PMIN 0x004 - -#define EXYNOS5440_TMU_INTEN_RISE0_SHIFT 0 -#define EXYNOS5440_TMU_INTEN_RISE1_SHIFT 1 -#define EXYNOS5440_TMU_INTEN_RISE2_SHIFT 2 -#define EXYNOS5440_TMU_INTEN_RISE3_SHIFT 3 -#define EXYNOS5440_TMU_INTEN_FALL0_SHIFT 4 -#define EXYNOS5440_TMU_TH_RISE4_SHIFT 24 -#define EXYNOS5440_EFUSE_SWAP_OFFSET 8 - /* Exynos7 specific registers */ #define EXYNOS7_THD_TEMP_RISE7_6 0x50 #define EXYNOS7_THD_TEMP_FALL7_6 0x60 @@ -614,57 +592,6 @@ static int exynos5433_tmu_initialize(struct platform_device *pdev) return ret; } -static int exynos5440_tmu_initialize(struct platform_device *pdev) -{ - struct exynos_tmu_data *data = platform_get_drvdata(pdev); - unsigned int trim_info = 0, con, rising_threshold; - int threshold_code; - int crit_temp = 0; - - /* - * For exynos5440 soc triminfo value is swapped between TMU0 and - * TMU2, so the below logic is needed. - */ - switch (data->id) { - case 0: - trim_info = readl(data->base + EXYNOS5440_EFUSE_SWAP_OFFSET + - EXYNOS5440_TMU_S0_7_TRIM); - break; - case 1: - trim_info = readl(data->base + EXYNOS5440_TMU_S0_7_TRIM); - break; - case 2: - trim_info = readl(data->base - EXYNOS5440_EFUSE_SWAP_OFFSET + - EXYNOS5440_TMU_S0_7_TRIM); - } - sanitize_temp_error(data, trim_info); - - /* Write temperature code for rising and falling threshold */ - rising_threshold = readl(data->base + EXYNOS5440_TMU_S0_7_TH0); - rising_threshold = get_th_reg(data, rising_threshold, false); - writel(rising_threshold, data->base + EXYNOS5440_TMU_S0_7_TH0); - writel(0, data->base + EXYNOS5440_TMU_S0_7_TH1); - - data->tmu_clear_irqs(data); - - /* if last threshold limit is also present */ - if (!data->tzd->ops->get_crit_temp(data->tzd, &crit_temp)) { - threshold_code = temp_to_code(data, crit_temp / MCELSIUS); - /* 5th level to be assigned in th2 reg */ - rising_threshold = - threshold_code << EXYNOS5440_TMU_TH_RISE4_SHIFT; - writel(rising_threshold, data->base + EXYNOS5440_TMU_S0_7_TH2); - con = readl(data->base + EXYNOS5440_TMU_S0_7_CTRL); - con |= (1 << EXYNOS_TMU_THERM_TRIP_EN_SHIFT); - writel(con, data->base + EXYNOS5440_TMU_S0_7_CTRL); - } - /* Clear the PMIN in the common TMU register */ - if (!data->id) - writel(0, data->base_second + EXYNOS5440_TMU_PMIN); - - return 0; -} - static int exynos7_tmu_initialize(struct platform_device *pdev) { struct exynos_tmu_data *data = platform_get_drvdata(pdev); @@ -816,35 +743,6 @@ static void exynos5433_tmu_control(struct platform_device *pdev, bool on) writel(con, data->base + EXYNOS_TMU_REG_CONTROL); } -static void exynos5440_tmu_control(struct platform_device *pdev, bool on) -{ - struct exynos_tmu_data *data = platform_get_drvdata(pdev); - struct thermal_zone_device *tz = data->tzd; - unsigned int con, interrupt_en; - - con = get_con_reg(data, readl(data->base + EXYNOS5440_TMU_S0_7_CTRL)); - - if (on) { - con |= (1 << EXYNOS_TMU_CORE_EN_SHIFT); - interrupt_en = - (of_thermal_is_trip_valid(tz, 3) - << EXYNOS5440_TMU_INTEN_RISE3_SHIFT) | - (of_thermal_is_trip_valid(tz, 2) - << EXYNOS5440_TMU_INTEN_RISE2_SHIFT) | - (of_thermal_is_trip_valid(tz, 1) - << EXYNOS5440_TMU_INTEN_RISE1_SHIFT) | - (of_thermal_is_trip_valid(tz, 0) - << EXYNOS5440_TMU_INTEN_RISE0_SHIFT); - interrupt_en |= - interrupt_en << EXYNOS5440_TMU_INTEN_FALL0_SHIFT; - } else { - con &= ~(1 << EXYNOS_TMU_CORE_EN_SHIFT); - interrupt_en = 0; /* Disable all interrupts */ - } - writel(interrupt_en, data->base + EXYNOS5440_TMU_S0_7_IRQEN); - writel(con, data->base + EXYNOS5440_TMU_S0_7_CTRL); -} - static void exynos7_tmu_control(struct platform_device *pdev, bool on) { struct exynos_tmu_data *data = platform_get_drvdata(pdev); @@ -911,10 +809,8 @@ static u32 get_emul_con_reg(struct exynos_tmu_data *data, unsigned int val, if (temp) { temp /= MCELSIUS; - if (data->soc != SOC_ARCH_EXYNOS5440) { - val &= ~(EXYNOS_EMUL_TIME_MASK << EXYNOS_EMUL_TIME_SHIFT); - val |= (EXYNOS_EMUL_TIME << EXYNOS_EMUL_TIME_SHIFT); - } + val &= ~(EXYNOS_EMUL_TIME_MASK << EXYNOS_EMUL_TIME_SHIFT); + val |= (EXYNOS_EMUL_TIME << EXYNOS_EMUL_TIME_SHIFT); if (data->soc == SOC_ARCH_EXYNOS7) { val &= ~(EXYNOS7_EMUL_DATA_MASK << EXYNOS7_EMUL_DATA_SHIFT); @@ -955,16 +851,6 @@ static void exynos4412_tmu_set_emulation(struct exynos_tmu_data *data, writel(val, data->base + emul_con); } -static void exynos5440_tmu_set_emulation(struct exynos_tmu_data *data, - int temp) -{ - unsigned int val; - - val = readl(data->base + EXYNOS5440_TMU_S0_7_DEBUG); - val = get_emul_con_reg(data, val, temp); - writel(val, data->base + EXYNOS5440_TMU_S0_7_DEBUG); -} - static int exynos_tmu_set_emulation(void *drv_data, int temp) { struct exynos_tmu_data *data = drv_data; @@ -987,7 +873,6 @@ static int exynos_tmu_set_emulation(void *drv_data, int temp) } #else #define exynos4412_tmu_set_emulation NULL -#define exynos5440_tmu_set_emulation NULL static int exynos_tmu_set_emulation(void *drv_data, int temp) { return -EINVAL; } #endif /* CONFIG_THERMAL_EMULATION */ @@ -1005,11 +890,6 @@ static int exynos4412_tmu_read(struct exynos_tmu_data *data) return readb(data->base + EXYNOS_TMU_REG_CURRENT_TEMP); } -static int exynos5440_tmu_read(struct exynos_tmu_data *data) -{ - return readb(data->base + EXYNOS5440_TMU_S0_7_TEMP); -} - static int exynos7_tmu_read(struct exynos_tmu_data *data) { return readw(data->base + EXYNOS_TMU_REG_CURRENT_TEMP) & @@ -1020,16 +900,9 @@ static void exynos_tmu_work(struct work_struct *work) { struct exynos_tmu_data *data = container_of(work, struct exynos_tmu_data, irq_work); - unsigned int val_type; if (!IS_ERR(data->clk_sec)) clk_enable(data->clk_sec); - /* Find which sensor generated this interrupt */ - if (data->soc == SOC_ARCH_EXYNOS5440) { - val_type = readl(data->base_second + EXYNOS5440_TMU_IRQ_STATUS); - if (!((val_type >> data->id) & 0x1)) - goto out; - } if (!IS_ERR(data->clk_sec)) clk_disable(data->clk_sec); @@ -1042,7 +915,6 @@ static void exynos_tmu_work(struct work_struct *work) clk_disable(data->clk); mutex_unlock(&data->lock); -out: enable_irq(data->irq); } @@ -1077,15 +949,6 @@ static void exynos4210_tmu_clear_irqs(struct exynos_tmu_data *data) writel(val_irq, data->base + tmu_intclear); } -static void exynos5440_tmu_clear_irqs(struct exynos_tmu_data *data) -{ - unsigned int val_irq; - - val_irq = readl(data->base + EXYNOS5440_TMU_S0_7_IRQ); - /* clear the interrupts */ - writel(val_irq, data->base + EXYNOS5440_TMU_S0_7_IRQ); -} - static irqreturn_t exynos_tmu_irq(int irq, void *id) { struct exynos_tmu_data *data = id; @@ -1105,7 +968,6 @@ static const struct of_device_id exynos_tmu_match[] = { { .compatible = "samsung,exynos5420-tmu", }, { .compatible = "samsung,exynos5420-tmu-ext-triminfo", }, { .compatible = "samsung,exynos5433-tmu", }, - { .compatible = "samsung,exynos5440-tmu", }, { .compatible = "samsung,exynos7-tmu", }, { /* sentinel */ }, }; @@ -1130,8 +992,6 @@ static int exynos_of_get_soc_type(struct device_node *np) return SOC_ARCH_EXYNOS5420_TRIMINFO; else if (of_device_is_compatible(np, "samsung,exynos5433-tmu")) return SOC_ARCH_EXYNOS5433; - else if (of_device_is_compatible(np, "samsung,exynos5440-tmu")) - return SOC_ARCH_EXYNOS5440; else if (of_device_is_compatible(np, "samsung,exynos7-tmu")) return SOC_ARCH_EXYNOS7; @@ -1242,14 +1102,6 @@ static int exynos_map_dt_data(struct platform_device *pdev) data->tmu_clear_irqs = exynos4210_tmu_clear_irqs; data->ntrip = 8; break; - case SOC_ARCH_EXYNOS5440: - data->tmu_initialize = exynos5440_tmu_initialize; - data->tmu_control = exynos5440_tmu_control; - data->tmu_read = exynos5440_tmu_read; - data->tmu_set_emulation = exynos5440_tmu_set_emulation; - data->tmu_clear_irqs = exynos5440_tmu_clear_irqs; - data->ntrip = 4; - break; case SOC_ARCH_EXYNOS7: data->tmu_initialize = exynos7_tmu_initialize; data->tmu_control = exynos7_tmu_control; @@ -1267,8 +1119,7 @@ static int exynos_map_dt_data(struct platform_device *pdev) * Check if the TMU shares some registers and then try to map the * memory of common registers. */ - if (data->soc != SOC_ARCH_EXYNOS5420_TRIMINFO && - data->soc != SOC_ARCH_EXYNOS5440) + if (data->soc != SOC_ARCH_EXYNOS5420_TRIMINFO) return 0; if (of_address_to_resource(pdev->dev.of_node, 1, &res)) { diff --git a/drivers/thermal/samsung/exynos_tmu.h b/drivers/thermal/samsung/exynos_tmu.h index 5149c2a3030c..f3f830edd79a 100644 --- a/drivers/thermal/samsung/exynos_tmu.h +++ b/drivers/thermal/samsung/exynos_tmu.h @@ -34,7 +34,6 @@ enum soc_type { SOC_ARCH_EXYNOS5420, SOC_ARCH_EXYNOS5420_TRIMINFO, SOC_ARCH_EXYNOS5433, - SOC_ARCH_EXYNOS5440, SOC_ARCH_EXYNOS7, };