From patchwork Mon Jul 15 08:38:16 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Nikita Shubin via B4 Relay X-Patchwork-Id: 1960486 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=bhvnOXtP; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2604:1380:45d1:ec00::1; helo=ny.mirrors.kernel.org; envelope-from=linux-pwm+bounces-2797-incoming=patchwork.ozlabs.org@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org [IPv6:2604:1380:45d1:ec00::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4WMwdC4R83z1xqc for ; 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a=ed25519-sha256; t=1721032799; l=1848; i=nikita.shubin@maquefel.me; s=20230718; h=from:subject:message-id; bh=z+2yOwm4hvQxzJhJWQahTMtiq2gz+415iGkW4eGQ8Eg=; b=lg/mg2q13y006104VQFi6zPTrOkSBNnSHGgpmfx2fsZOMNar6wn+joch6V/RrtHNgNOhNhdmopWT Ck5NlT7CCk4ng4MbUZvPpEjBSA1yRP57OrdrK77IZrAbaXV3kAQG X-Developer-Key: i=nikita.shubin@maquefel.me; a=ed25519; pk=vqf5YIUJ7BJv3EJFaNNxWZgGuMgDH6rwufTLflwU9ac= X-Endpoint-Received: by B4 Relay for nikita.shubin@maquefel.me/20230718 with auth_id=65 X-Original-From: Nikita Shubin Reply-To: nikita.shubin@maquefel.me From: Nikita Shubin Add YAML bindings for ep93xx SoC PWM. Signed-off-by: Nikita Shubin Acked-by: Uwe Kleine-König Reviewed-by: Krzysztof Kozlowski --- .../devicetree/bindings/pwm/cirrus,ep9301-pwm.yaml | 53 ++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/Documentation/devicetree/bindings/pwm/cirrus,ep9301-pwm.yaml b/Documentation/devicetree/bindings/pwm/cirrus,ep9301-pwm.yaml new file mode 100644 index 000000000000..903210ef9c31 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/cirrus,ep9301-pwm.yaml @@ -0,0 +1,53 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/cirrus,ep9301-pwm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cirrus Logic ep93xx PWM controller + +maintainers: + - Alexander Sverdlin + - Nikita Shubin + +allOf: + - $ref: pwm.yaml# + +properties: + compatible: + oneOf: + - const: cirrus,ep9301-pwm + - items: + - enum: + - cirrus,ep9302-pwm + - cirrus,ep9307-pwm + - cirrus,ep9312-pwm + - cirrus,ep9315-pwm + - const: cirrus,ep9301-pwm + + reg: + maxItems: 1 + + clocks: + items: + - description: SoC PWM clock + + "#pwm-cells": + const: 3 + +required: + - compatible + - reg + - clocks + +unevaluatedProperties: false + +examples: + - | + #include + pwm@80910000 { + compatible = "cirrus,ep9301-pwm"; + reg = <0x80910000 0x10>; + clocks = <&syscon EP93XX_CLK_PWM>; + #pwm-cells = <3>; + }; From patchwork Mon Jul 15 08:38:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Nikita Shubin via B4 Relay X-Patchwork-Id: 1960485 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=aKEINxWt; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2604:1380:45e3:2400::1; helo=sv.mirrors.kernel.org; envelope-from=linux-pwm+bounces-2796-incoming=patchwork.ozlabs.org@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org [IPv6:2604:1380:45e3:2400::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4WMwdB3Mgwz20CW for ; 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Signed-off-by: Nikita Shubin Reviewed-by: Uwe Kleine-König Reviewed-by: Andy Shevchenko Reviewed-by: Andy Shevchenko Acked-by: Uwe Kleine-König --- drivers/pwm/pwm-ep93xx.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/pwm/pwm-ep93xx.c b/drivers/pwm/pwm-ep93xx.c index 666f2954133c..67c3fdbf7ae3 100644 --- a/drivers/pwm/pwm-ep93xx.c +++ b/drivers/pwm/pwm-ep93xx.c @@ -17,6 +17,7 @@ */ #include +#include #include #include #include @@ -188,9 +189,16 @@ static int ep93xx_pwm_probe(struct platform_device *pdev) return 0; } +static const struct of_device_id ep93xx_pwm_of_ids[] = { + { .compatible = "cirrus,ep9301-pwm" }, + { /* sentinel */} +}; +MODULE_DEVICE_TABLE(of, ep93xx_pwm_of_ids); + static struct platform_driver ep93xx_pwm_driver = { .driver = { .name = "ep93xx-pwm", + .of_match_table = ep93xx_pwm_of_ids, }, .probe = ep93xx_pwm_probe, }; From patchwork Mon Jul 15 08:38:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Nikita Shubin via B4 Relay X-Patchwork-Id: 1960502 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Mon, 15 Jul 2024 08:40:04 +0000 (UTC) From: Nikita Shubin via B4 Relay Date: Mon, 15 Jul 2024 11:38:37 +0300 Subject: [PATCH v11 33/38] pwm: ep93xx: drop legacy pinctrl Precedence: bulk X-Mailing-List: linux-pwm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240715-ep93xx-v11-33-4e924efda795@maquefel.me> References: <20240715-ep93xx-v11-0-4e924efda795@maquefel.me> In-Reply-To: <20240715-ep93xx-v11-0-4e924efda795@maquefel.me> To: Hartley Sweeten , Alexander Sverdlin , Russell King , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Nikita Shubin , Linus Walleij , Andy Shevchenko , Dmitry Torokhov Cc: Damien Le Moal , Stephen Boyd , Sergey Shtylyov , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pwm@vger.kernel.org X-Mailer: b4 0.13-dev-e3e53 X-Developer-Signature: v=1; a=ed25519-sha256; t=1721032800; l=4449; i=nikita.shubin@maquefel.me; s=20230718; h=from:subject:message-id; bh=9tWs5wPLeKECQlcQ9rkIh26LRGvwgfxOpMK+JfxreaE=; b=qRTr7TBUoWCa+2fq+nDOeJXUxuaasbBBBlRoqSicurr/ryj0YAZVf8iLuc+fe0aJkoPgAf9qYf+l X3bZoYBlBT57fTBtb/PA/GT1lb1jmFadTlOE2i7t6k2/eXFBgL2x X-Developer-Key: i=nikita.shubin@maquefel.me; a=ed25519; pk=vqf5YIUJ7BJv3EJFaNNxWZgGuMgDH6rwufTLflwU9ac= X-Endpoint-Received: by B4 Relay for nikita.shubin@maquefel.me/20230718 with auth_id=65 X-Original-From: Nikita Shubin Reply-To: nikita.shubin@maquefel.me From: Nikita Shubin Drop legacy gpio request/free since we are using pinctrl for this now. Signed-off-by: Nikita Shubin Acked-by: Uwe Kleine-König Acked-by: Thierry Reding Acked-by: Linus Walleij --- arch/arm/mach-ep93xx/core.c | 42 --------------------------------------- drivers/pwm/pwm-ep93xx.c | 18 ----------------- include/linux/soc/cirrus/ep93xx.h | 4 ---- 3 files changed, 64 deletions(-) diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index b99c46d22c4d..4ddf1a4cba33 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -577,48 +577,6 @@ void __init ep93xx_register_pwm(int pwm0, int pwm1) platform_device_register(&ep93xx_pwm1_device); } -int ep93xx_pwm_acquire_gpio(struct platform_device *pdev) -{ - int err; - - if (pdev->id == 0) { - err = 0; - } else if (pdev->id == 1) { - err = gpio_request(EP93XX_GPIO_LINE_EGPIO14, - dev_name(&pdev->dev)); - if (err) - return err; - err = gpio_direction_output(EP93XX_GPIO_LINE_EGPIO14, 0); - if (err) - goto fail; - - /* PWM 1 output on EGPIO[14] */ - ep93xx_devcfg_set_bits(EP93XX_SYSCON_DEVCFG_PONG); - } else { - err = -ENODEV; - } - - return err; - -fail: - gpio_free(EP93XX_GPIO_LINE_EGPIO14); - return err; -} -EXPORT_SYMBOL(ep93xx_pwm_acquire_gpio); - -void ep93xx_pwm_release_gpio(struct platform_device *pdev) -{ - if (pdev->id == 1) { - gpio_direction_input(EP93XX_GPIO_LINE_EGPIO14); - gpio_free(EP93XX_GPIO_LINE_EGPIO14); - - /* EGPIO[14] used for GPIO */ - ep93xx_devcfg_clear_bits(EP93XX_SYSCON_DEVCFG_PONG); - } -} -EXPORT_SYMBOL(ep93xx_pwm_release_gpio); - - /************************************************************************* * EP93xx video peripheral handling *************************************************************************/ diff --git a/drivers/pwm/pwm-ep93xx.c b/drivers/pwm/pwm-ep93xx.c index 67c3fdbf7ae3..994f89ac43b4 100644 --- a/drivers/pwm/pwm-ep93xx.c +++ b/drivers/pwm/pwm-ep93xx.c @@ -27,8 +27,6 @@ #include -#include /* for ep93xx_pwm_{acquire,release}_gpio() */ - #define EP93XX_PWMx_TERM_COUNT 0x00 #define EP93XX_PWMx_DUTY_CYCLE 0x04 #define EP93XX_PWMx_ENABLE 0x08 @@ -44,20 +42,6 @@ static inline struct ep93xx_pwm *to_ep93xx_pwm(struct pwm_chip *chip) return pwmchip_get_drvdata(chip); } -static int ep93xx_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) -{ - struct platform_device *pdev = to_platform_device(pwmchip_parent(chip)); - - return ep93xx_pwm_acquire_gpio(pdev); -} - -static void ep93xx_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) -{ - struct platform_device *pdev = to_platform_device(pwmchip_parent(chip)); - - ep93xx_pwm_release_gpio(pdev); -} - static int ep93xx_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, const struct pwm_state *state) { @@ -156,8 +140,6 @@ static int ep93xx_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, } static const struct pwm_ops ep93xx_pwm_ops = { - .request = ep93xx_pwm_request, - .free = ep93xx_pwm_free, .apply = ep93xx_pwm_apply, }; diff --git a/include/linux/soc/cirrus/ep93xx.h b/include/linux/soc/cirrus/ep93xx.h index 8942bfaf1545..f6376edc1b33 100644 --- a/include/linux/soc/cirrus/ep93xx.h +++ b/include/linux/soc/cirrus/ep93xx.h @@ -37,8 +37,6 @@ struct ep93xx_regmap_adev { container_of((_adev), struct ep93xx_regmap_adev, adev) #ifdef CONFIG_ARCH_EP93XX -int ep93xx_pwm_acquire_gpio(struct platform_device *pdev); -void ep93xx_pwm_release_gpio(struct platform_device *pdev); int ep93xx_ide_acquire_gpio(struct platform_device *pdev); void ep93xx_ide_release_gpio(struct platform_device *pdev); int ep93xx_i2s_acquire(void); @@ -46,8 +44,6 @@ void ep93xx_i2s_release(void); unsigned int ep93xx_chip_revision(void); #else -static inline int ep93xx_pwm_acquire_gpio(struct platform_device *pdev) { return 0; } -static inline void ep93xx_pwm_release_gpio(struct platform_device *pdev) {} static inline int ep93xx_ide_acquire_gpio(struct platform_device *pdev) { return 0; } static inline void ep93xx_ide_release_gpio(struct platform_device *pdev) {} static inline int ep93xx_i2s_acquire(void) { return 0; }