From patchwork Mon Jul 26 01:33:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jianqun Xu X-Patchwork-Id: 12398305 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 669C2C4320A for ; Mon, 26 Jul 2021 01:34:08 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C013260EB4 for ; Mon, 26 Jul 2021 01:34:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org C013260EB4 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=rock-chips.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=9K+iuP29M8VyYAa0Vdx9iS1/qsfjvVLdRbyTkq+P/zA=; b=c9wWESyvaiA2/n Dhi6rDs5vX8A5NzR0b/XHl2pPlnsQ04OUbHa5LMD1Rv4ktpMMsBGlGuWLrvHeEA92YNmcAGjlwIH7 g0RsgC38BkyWtHc92NRGtfl310nJvvXq7LdbpMnsi08N5L+hNC3CE88oBfBdLyVSce2e2In8VSt4/ Q+nEMVV3pOvhQR6GfeqZFUuqRZSEGWLgdCqGJNJGAemH7RL1JM7d/ZhLYpf2OQk0AyMrTaAS86ZjR 2ZFi9EuFkYtr4r1HflqUFbpNh7exy7esXCmTlOHGgXbZyWEiMp6mn6J+rzfqK5Brw/ffB9Q13IF9I QYfvyDgbcrpbP9IGUbEQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m7pVK-009NqR-0d; Mon, 26 Jul 2021 01:34:02 +0000 Received: from lucky1.263xmail.com ([211.157.147.130]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m7pVG-009Np2-0u for linux-rockchip@lists.infradead.org; Mon, 26 Jul 2021 01:34:00 +0000 Received: from localhost (unknown [192.168.167.235]) by lucky1.263xmail.com (Postfix) with ESMTP id 749FED5CE7; Mon, 26 Jul 2021 09:33:49 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ADDR-CHECKED4: 1 X-SKE-CHECKED: 1 X-ANTISPAM-LEVEL: 2 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (postfix) whith ESMTP id P25117T140689763460864S1627263227474860_; Mon, 26 Jul 2021 09:33:49 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: <063351fadc5fefeccf02d98d9d598924> X-RL-SENDER: jay.xu@rock-chips.com X-SENDER: xjq@rock-chips.com X-LOGIN-NAME: jay.xu@rock-chips.com X-FST-TO: linus.walleij@linaro.org X-RCPT-COUNT: 9 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Jianqun Xu To: linus.walleij@linaro.org, heiko@sntech.de Cc: bgolaszewski@baylibre.com, robh+dt@kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Jianqun Xu Subject: [PATCH v7 1/9] pinctrl/rockchip: always enable clock for gpio controller Date: Mon, 26 Jul 2021 09:33:37 +0800 Message-Id: <20210726013345.1634442-2-jay.xu@rock-chips.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210726013345.1634442-1-jay.xu@rock-chips.com> References: <20210726013345.1634442-1-jay.xu@rock-chips.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210725_183358_577468_330C1434 X-CRM114-Status: GOOD ( 12.94 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Since gate and ungate pclk of gpio has very litte benifit for system power consumption, just keep it always ungate. Signed-off-by: Jianqun Xu --- v7: - none drivers/pinctrl/pinctrl-rockchip.c | 40 +----------------------------- 1 file changed, 1 insertion(+), 39 deletions(-) diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 067fc4208de4..650c71c740f0 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -2299,17 +2299,8 @@ static int rockchip_gpio_get_direction(struct gpio_chip *chip, unsigned offset) { struct rockchip_pin_bank *bank = gpiochip_get_data(chip); u32 data; - int ret; - ret = clk_enable(bank->clk); - if (ret < 0) { - dev_err(bank->drvdata->dev, - "failed to enable clock for bank %s\n", bank->name); - return ret; - } data = readl_relaxed(bank->reg_base + GPIO_SWPORT_DDR); - clk_disable(bank->clk); - if (data & BIT(offset)) return GPIO_LINE_DIRECTION_OUT; @@ -2335,7 +2326,6 @@ static int _rockchip_pmx_gpio_set_direction(struct gpio_chip *chip, if (ret < 0) return ret; - clk_enable(bank->clk); raw_spin_lock_irqsave(&bank->slock, flags); data = readl_relaxed(bank->reg_base + GPIO_SWPORT_DDR); @@ -2347,7 +2337,6 @@ static int _rockchip_pmx_gpio_set_direction(struct gpio_chip *chip, writel_relaxed(data, bank->reg_base + GPIO_SWPORT_DDR); raw_spin_unlock_irqrestore(&bank->slock, flags); - clk_disable(bank->clk); return 0; } @@ -2798,7 +2787,6 @@ static void rockchip_gpio_set(struct gpio_chip *gc, unsigned offset, int value) unsigned long flags; u32 data; - clk_enable(bank->clk); raw_spin_lock_irqsave(&bank->slock, flags); data = readl(reg); @@ -2808,7 +2796,6 @@ static void rockchip_gpio_set(struct gpio_chip *gc, unsigned offset, int value) writel(data, reg); raw_spin_unlock_irqrestore(&bank->slock, flags); - clk_disable(bank->clk); } /* @@ -2820,9 +2807,7 @@ static int rockchip_gpio_get(struct gpio_chip *gc, unsigned offset) struct rockchip_pin_bank *bank = gpiochip_get_data(gc); u32 data; - clk_enable(bank->clk); data = readl(bank->reg_base + GPIO_EXT_PORT); - clk_disable(bank->clk); data >>= offset; data &= 1; return data; @@ -2858,7 +2843,6 @@ static void rockchip_gpio_set_debounce(struct gpio_chip *gc, unsigned long flags; u32 data; - clk_enable(bank->clk); raw_spin_lock_irqsave(&bank->slock, flags); data = readl(reg); @@ -2869,7 +2853,6 @@ static void rockchip_gpio_set_debounce(struct gpio_chip *gc, writel(data, reg); raw_spin_unlock_irqrestore(&bank->slock, flags); - clk_disable(bank->clk); } /* @@ -2914,9 +2897,7 @@ static int rockchip_gpio_to_irq(struct gpio_chip *gc, unsigned offset) if (!bank->domain) return -ENXIO; - clk_enable(bank->clk); virq = irq_create_mapping(bank->domain, offset); - clk_disable(bank->clk); return (virq) ? : -ENXIO; } @@ -3015,7 +2996,6 @@ static int rockchip_irq_set_type(struct irq_data *d, unsigned int type) if (ret < 0) return ret; - clk_enable(bank->clk); raw_spin_lock_irqsave(&bank->slock, flags); data = readl_relaxed(bank->reg_base + GPIO_SWPORT_DDR); @@ -3073,7 +3053,6 @@ static int rockchip_irq_set_type(struct irq_data *d, unsigned int type) default: irq_gc_unlock(gc); raw_spin_unlock_irqrestore(&bank->slock, flags); - clk_disable(bank->clk); return -EINVAL; } @@ -3082,7 +3061,6 @@ static int rockchip_irq_set_type(struct irq_data *d, unsigned int type) irq_gc_unlock(gc); raw_spin_unlock_irqrestore(&bank->slock, flags); - clk_disable(bank->clk); return 0; } @@ -3092,10 +3070,8 @@ static void rockchip_irq_suspend(struct irq_data *d) struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); struct rockchip_pin_bank *bank = gc->private; - clk_enable(bank->clk); bank->saved_masks = irq_reg_readl(gc, GPIO_INTMASK); irq_reg_writel(gc, ~gc->wake_active, GPIO_INTMASK); - clk_disable(bank->clk); } static void rockchip_irq_resume(struct irq_data *d) @@ -3103,9 +3079,7 @@ static void rockchip_irq_resume(struct irq_data *d) struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); struct rockchip_pin_bank *bank = gc->private; - clk_enable(bank->clk); irq_reg_writel(gc, bank->saved_masks, GPIO_INTMASK); - clk_disable(bank->clk); } static void rockchip_irq_enable(struct irq_data *d) @@ -3113,7 +3087,6 @@ static void rockchip_irq_enable(struct irq_data *d) struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); struct rockchip_pin_bank *bank = gc->private; - clk_enable(bank->clk); irq_gc_mask_clr_bit(d); } @@ -3123,7 +3096,6 @@ static void rockchip_irq_disable(struct irq_data *d) struct rockchip_pin_bank *bank = gc->private; irq_gc_mask_set_bit(d); - clk_disable(bank->clk); } static int rockchip_interrupts_register(struct platform_device *pdev, @@ -3143,19 +3115,11 @@ static int rockchip_interrupts_register(struct platform_device *pdev, continue; } - ret = clk_enable(bank->clk); - if (ret) { - dev_err(&pdev->dev, "failed to enable clock for bank %s\n", - bank->name); - continue; - } - bank->domain = irq_domain_add_linear(bank->of_node, 32, &irq_generic_chip_ops, NULL); if (!bank->domain) { dev_warn(&pdev->dev, "could not initialize irq domain for bank %s\n", bank->name); - clk_disable(bank->clk); continue; } @@ -3166,7 +3130,6 @@ static int rockchip_interrupts_register(struct platform_device *pdev, dev_err(&pdev->dev, "could not alloc generic chips for bank %s\n", bank->name); irq_domain_remove(bank->domain); - clk_disable(bank->clk); continue; } @@ -3198,7 +3161,6 @@ static int rockchip_interrupts_register(struct platform_device *pdev, irq_set_chained_handler_and_data(bank->irq, rockchip_irq_demux, bank); - clk_disable(bank->clk); } return 0; @@ -3317,7 +3279,7 @@ static int rockchip_get_bank_data(struct rockchip_pin_bank *bank, if (IS_ERR(bank->clk)) return PTR_ERR(bank->clk); - return clk_prepare(bank->clk); + return clk_prepare_enable(bank->clk); } static const struct of_device_id rockchip_pinctrl_dt_match[]; From patchwork Mon Jul 26 01:33:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jianqun Xu X-Patchwork-Id: 12398307 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0AD31C432BE for ; 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Mon, 26 Jul 2021 09:33:49 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: X-RL-SENDER: jay.xu@rock-chips.com X-SENDER: xjq@rock-chips.com X-LOGIN-NAME: jay.xu@rock-chips.com X-FST-TO: linus.walleij@linaro.org X-RCPT-COUNT: 9 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Jianqun Xu To: linus.walleij@linaro.org, heiko@sntech.de Cc: bgolaszewski@baylibre.com, robh+dt@kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Jianqun Xu Subject: [PATCH v7 2/9] pinctrl/rockchip: separate struct rockchip_pin_bank to a head file Date: Mon, 26 Jul 2021 09:33:38 +0800 Message-Id: <20210726013345.1634442-3-jay.xu@rock-chips.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210726013345.1634442-1-jay.xu@rock-chips.com> References: <20210726013345.1634442-1-jay.xu@rock-chips.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210725_183359_117786_563A16C4 X-CRM114-Status: GOOD ( 25.11 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Separate struct rockchip_pin_bank to pinctrl-rockchip.h file, which will be used by gpio-rockchip driver in the future. Signed-off-by: Jianqun Xu --- v7: - none, keep from v1 drivers/pinctrl/pinctrl-rockchip.c | 226 +------------------------- drivers/pinctrl/pinctrl-rockchip.h | 245 +++++++++++++++++++++++++++++ 2 files changed, 246 insertions(+), 225 deletions(-) create mode 100644 drivers/pinctrl/pinctrl-rockchip.h diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 650c71c740f0..b99813379918 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -37,6 +37,7 @@ #include "core.h" #include "pinconf.h" +#include "pinctrl-rockchip.h" /* GPIO control registers */ #define GPIO_SWPORT_DR 0x00 @@ -52,21 +53,6 @@ #define GPIO_EXT_PORT 0x50 #define GPIO_LS_SYNC 0x60 -enum rockchip_pinctrl_type { - PX30, - RV1108, - RK2928, - RK3066B, - RK3128, - RK3188, - RK3288, - RK3308, - RK3368, - RK3399, - RK3568, -}; - - /** * Generate a bitmask for setting a value (v) with a write mask bit in hiword * register 31:16 area. @@ -84,103 +70,6 @@ enum rockchip_pinctrl_type { #define IOMUX_WIDTH_3BIT BIT(4) #define IOMUX_WIDTH_2BIT BIT(5) -/** - * struct rockchip_iomux - * @type: iomux variant using IOMUX_* constants - * @offset: if initialized to -1 it will be autocalculated, by specifying - * an initial offset value the relevant source offset can be reset - * to a new value for autocalculating the following iomux registers. - */ -struct rockchip_iomux { - int type; - int offset; -}; - -/* - * enum type index corresponding to rockchip_perpin_drv_list arrays index. - */ -enum rockchip_pin_drv_type { - DRV_TYPE_IO_DEFAULT = 0, - DRV_TYPE_IO_1V8_OR_3V0, - DRV_TYPE_IO_1V8_ONLY, - DRV_TYPE_IO_1V8_3V0_AUTO, - DRV_TYPE_IO_3V3_ONLY, - DRV_TYPE_MAX -}; - -/* - * enum type index corresponding to rockchip_pull_list arrays index. - */ -enum rockchip_pin_pull_type { - PULL_TYPE_IO_DEFAULT = 0, - PULL_TYPE_IO_1V8_ONLY, - PULL_TYPE_MAX -}; - -/** - * struct rockchip_drv - * @drv_type: drive strength variant using rockchip_perpin_drv_type - * @offset: if initialized to -1 it will be autocalculated, by specifying - * an initial offset value the relevant source offset can be reset - * to a new value for autocalculating the following drive strength - * registers. if used chips own cal_drv func instead to calculate - * registers offset, the variant could be ignored. - */ -struct rockchip_drv { - enum rockchip_pin_drv_type drv_type; - int offset; -}; - -/** - * struct rockchip_pin_bank - * @reg_base: register base of the gpio bank - * @regmap_pull: optional separate register for additional pull settings - * @clk: clock of the gpio bank - * @irq: interrupt of the gpio bank - * @saved_masks: Saved content of GPIO_INTEN at suspend time. - * @pin_base: first pin number - * @nr_pins: number of pins in this bank - * @name: name of the bank - * @bank_num: number of the bank, to account for holes - * @iomux: array describing the 4 iomux sources of the bank - * @drv: array describing the 4 drive strength sources of the bank - * @pull_type: array describing the 4 pull type sources of the bank - * @valid: is all necessary information present - * @of_node: dt node of this bank - * @drvdata: common pinctrl basedata - * @domain: irqdomain of the gpio bank - * @gpio_chip: gpiolib chip - * @grange: gpio range - * @slock: spinlock for the gpio bank - * @toggle_edge_mode: bit mask to toggle (falling/rising) edge mode - * @recalced_mask: bit mask to indicate a need to recalulate the mask - * @route_mask: bits describing the routing pins of per bank - */ -struct rockchip_pin_bank { - void __iomem *reg_base; - struct regmap *regmap_pull; - struct clk *clk; - int irq; - u32 saved_masks; - u32 pin_base; - u8 nr_pins; - char *name; - u8 bank_num; - struct rockchip_iomux iomux[4]; - struct rockchip_drv drv[4]; - enum rockchip_pin_pull_type pull_type[4]; - bool valid; - struct device_node *of_node; - struct rockchip_pinctrl *drvdata; - struct irq_domain *domain; - struct gpio_chip gpio_chip; - struct pinctrl_gpio_range grange; - raw_spinlock_t slock; - u32 toggle_edge_mode; - u32 recalced_mask; - u32 route_mask; -}; - #define PIN_BANK(id, pins, label) \ { \ .bank_num = id, \ @@ -320,119 +209,6 @@ struct rockchip_pin_bank { #define RK_MUXROUTE_PMU(ID, PIN, FUNC, REG, VAL) \ PIN_BANK_MUX_ROUTE_FLAGS(ID, PIN, FUNC, REG, VAL, ROCKCHIP_ROUTE_PMU) -/** - * struct rockchip_mux_recalced_data: represent a pin iomux data. - * @num: bank number. - * @pin: pin number. - * @bit: index at register. - * @reg: register offset. - * @mask: mask bit - */ -struct rockchip_mux_recalced_data { - u8 num; - u8 pin; - u32 reg; - u8 bit; - u8 mask; -}; - -enum rockchip_mux_route_location { - ROCKCHIP_ROUTE_SAME = 0, - ROCKCHIP_ROUTE_PMU, - ROCKCHIP_ROUTE_GRF, -}; - -/** - * struct rockchip_mux_recalced_data: represent a pin iomux data. - * @bank_num: bank number. - * @pin: index at register or used to calc index. - * @func: the min pin. - * @route_location: the mux route location (same, pmu, grf). - * @route_offset: the max pin. - * @route_val: the register offset. - */ -struct rockchip_mux_route_data { - u8 bank_num; - u8 pin; - u8 func; - enum rockchip_mux_route_location route_location; - u32 route_offset; - u32 route_val; -}; - -struct rockchip_pin_ctrl { - struct rockchip_pin_bank *pin_banks; - u32 nr_banks; - u32 nr_pins; - char *label; - enum rockchip_pinctrl_type type; - int grf_mux_offset; - int pmu_mux_offset; - int grf_drv_offset; - int pmu_drv_offset; - struct rockchip_mux_recalced_data *iomux_recalced; - u32 niomux_recalced; - struct rockchip_mux_route_data *iomux_routes; - u32 niomux_routes; - - void (*pull_calc_reg)(struct rockchip_pin_bank *bank, - int pin_num, struct regmap **regmap, - int *reg, u8 *bit); - void (*drv_calc_reg)(struct rockchip_pin_bank *bank, - int pin_num, struct regmap **regmap, - int *reg, u8 *bit); - int (*schmitt_calc_reg)(struct rockchip_pin_bank *bank, - int pin_num, struct regmap **regmap, - int *reg, u8 *bit); -}; - -struct rockchip_pin_config { - unsigned int func; - unsigned long *configs; - unsigned int nconfigs; -}; - -/** - * struct rockchip_pin_group: represent group of pins of a pinmux function. - * @name: name of the pin group, used to lookup the group. - * @pins: the pins included in this group. - * @npins: number of pins included in this group. - * @data: local pin configuration - */ -struct rockchip_pin_group { - const char *name; - unsigned int npins; - unsigned int *pins; - struct rockchip_pin_config *data; -}; - -/** - * struct rockchip_pmx_func: represent a pin function. - * @name: name of the pin function, used to lookup the function. - * @groups: one or more names of pin groups that provide this function. - * @ngroups: number of groups included in @groups. - */ -struct rockchip_pmx_func { - const char *name; - const char **groups; - u8 ngroups; -}; - -struct rockchip_pinctrl { - struct regmap *regmap_base; - int reg_size; - struct regmap *regmap_pull; - struct regmap *regmap_pmu; - struct device *dev; - struct rockchip_pin_ctrl *ctrl; - struct pinctrl_desc pctl; - struct pinctrl_dev *pctl_dev; - struct rockchip_pin_group *groups; - unsigned int ngroups; - struct rockchip_pmx_func *functions; - unsigned int nfunctions; -}; - static struct regmap_config rockchip_regmap_config = { .reg_bits = 32, .val_bits = 32, diff --git a/drivers/pinctrl/pinctrl-rockchip.h b/drivers/pinctrl/pinctrl-rockchip.h new file mode 100644 index 000000000000..dba9e9540633 --- /dev/null +++ b/drivers/pinctrl/pinctrl-rockchip.h @@ -0,0 +1,245 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2020-2021 Rockchip Electronics Co. Ltd. + * + * Copyright (c) 2013 MundoReader S.L. + * Author: Heiko Stuebner + * + * With some ideas taken from pinctrl-samsung: + * Copyright (c) 2012 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * Copyright (c) 2012 Linaro Ltd + * https://www.linaro.org + * + * and pinctrl-at91: + * Copyright (C) 2011-2012 Jean-Christophe PLAGNIOL-VILLARD + */ + +#ifndef _PINCTRL_ROCKCHIP_H +#define _PINCTRL_ROCKCHIP_H + +enum rockchip_pinctrl_type { + PX30, + RV1108, + RK2928, + RK3066B, + RK3128, + RK3188, + RK3288, + RK3308, + RK3368, + RK3399, + RK3568, +}; + +/** + * struct rockchip_iomux + * @type: iomux variant using IOMUX_* constants + * @offset: if initialized to -1 it will be autocalculated, by specifying + * an initial offset value the relevant source offset can be reset + * to a new value for autocalculating the following iomux registers. + */ +struct rockchip_iomux { + int type; + int offset; +}; + +/* + * enum type index corresponding to rockchip_perpin_drv_list arrays index. + */ +enum rockchip_pin_drv_type { + DRV_TYPE_IO_DEFAULT = 0, + DRV_TYPE_IO_1V8_OR_3V0, + DRV_TYPE_IO_1V8_ONLY, + DRV_TYPE_IO_1V8_3V0_AUTO, + DRV_TYPE_IO_3V3_ONLY, + DRV_TYPE_MAX +}; + +/* + * enum type index corresponding to rockchip_pull_list arrays index. + */ +enum rockchip_pin_pull_type { + PULL_TYPE_IO_DEFAULT = 0, + PULL_TYPE_IO_1V8_ONLY, + PULL_TYPE_MAX +}; + +/** + * struct rockchip_drv + * @drv_type: drive strength variant using rockchip_perpin_drv_type + * @offset: if initialized to -1 it will be autocalculated, by specifying + * an initial offset value the relevant source offset can be reset + * to a new value for autocalculating the following drive strength + * registers. if used chips own cal_drv func instead to calculate + * registers offset, the variant could be ignored. + */ +struct rockchip_drv { + enum rockchip_pin_drv_type drv_type; + int offset; +}; + +/** + * struct rockchip_pin_bank + * @reg_base: register base of the gpio bank + * @regmap_pull: optional separate register for additional pull settings + * @clk: clock of the gpio bank + * @irq: interrupt of the gpio bank + * @saved_masks: Saved content of GPIO_INTEN at suspend time. + * @pin_base: first pin number + * @nr_pins: number of pins in this bank + * @name: name of the bank + * @bank_num: number of the bank, to account for holes + * @iomux: array describing the 4 iomux sources of the bank + * @drv: array describing the 4 drive strength sources of the bank + * @pull_type: array describing the 4 pull type sources of the bank + * @valid: is all necessary information present + * @of_node: dt node of this bank + * @drvdata: common pinctrl basedata + * @domain: irqdomain of the gpio bank + * @gpio_chip: gpiolib chip + * @grange: gpio range + * @slock: spinlock for the gpio bank + * @toggle_edge_mode: bit mask to toggle (falling/rising) edge mode + * @recalced_mask: bit mask to indicate a need to recalulate the mask + * @route_mask: bits describing the routing pins of per bank + */ +struct rockchip_pin_bank { + void __iomem *reg_base; + struct regmap *regmap_pull; + struct clk *clk; + int irq; + u32 saved_masks; + u32 pin_base; + u8 nr_pins; + char *name; + u8 bank_num; + struct rockchip_iomux iomux[4]; + struct rockchip_drv drv[4]; + enum rockchip_pin_pull_type pull_type[4]; + bool valid; + struct device_node *of_node; + struct rockchip_pinctrl *drvdata; + struct irq_domain *domain; + struct gpio_chip gpio_chip; + struct pinctrl_gpio_range grange; + raw_spinlock_t slock; + u32 toggle_edge_mode; + u32 recalced_mask; + u32 route_mask; +}; + +/** + * struct rockchip_mux_recalced_data: represent a pin iomux data. + * @num: bank number. + * @pin: pin number. + * @bit: index at register. + * @reg: register offset. + * @mask: mask bit + */ +struct rockchip_mux_recalced_data { + u8 num; + u8 pin; + u32 reg; + u8 bit; + u8 mask; +}; + +enum rockchip_mux_route_location { + ROCKCHIP_ROUTE_SAME = 0, + ROCKCHIP_ROUTE_PMU, + ROCKCHIP_ROUTE_GRF, +}; + +/** + * struct rockchip_mux_recalced_data: represent a pin iomux data. + * @bank_num: bank number. + * @pin: index at register or used to calc index. + * @func: the min pin. + * @route_location: the mux route location (same, pmu, grf). + * @route_offset: the max pin. + * @route_val: the register offset. + */ +struct rockchip_mux_route_data { + u8 bank_num; + u8 pin; + u8 func; + enum rockchip_mux_route_location route_location; + u32 route_offset; + u32 route_val; +}; + +struct rockchip_pin_ctrl { + struct rockchip_pin_bank *pin_banks; + u32 nr_banks; + u32 nr_pins; + char *label; + enum rockchip_pinctrl_type type; + int grf_mux_offset; + int pmu_mux_offset; + int grf_drv_offset; + int pmu_drv_offset; + struct rockchip_mux_recalced_data *iomux_recalced; + u32 niomux_recalced; + struct rockchip_mux_route_data *iomux_routes; + u32 niomux_routes; + + void (*pull_calc_reg)(struct rockchip_pin_bank *bank, + int pin_num, struct regmap **regmap, + int *reg, u8 *bit); + void (*drv_calc_reg)(struct rockchip_pin_bank *bank, + int pin_num, struct regmap **regmap, + int *reg, u8 *bit); + int (*schmitt_calc_reg)(struct rockchip_pin_bank *bank, + int pin_num, struct regmap **regmap, + int *reg, u8 *bit); +}; + +struct rockchip_pin_config { + unsigned int func; + unsigned long *configs; + unsigned int nconfigs; +}; + +/** + * struct rockchip_pin_group: represent group of pins of a pinmux function. + * @name: name of the pin group, used to lookup the group. + * @pins: the pins included in this group. + * @npins: number of pins included in this group. + * @data: local pin configuration + */ +struct rockchip_pin_group { + const char *name; + unsigned int npins; + unsigned int *pins; + struct rockchip_pin_config *data; +}; + +/** + * struct rockchip_pmx_func: represent a pin function. + * @name: name of the pin function, used to lookup the function. + * @groups: one or more names of pin groups that provide this function. + * @ngroups: number of groups included in @groups. + */ +struct rockchip_pmx_func { + const char *name; + const char **groups; + u8 ngroups; +}; + +struct rockchip_pinctrl { + struct regmap *regmap_base; + int reg_size; + struct regmap *regmap_pull; + struct regmap *regmap_pmu; + struct device *dev; + struct rockchip_pin_ctrl *ctrl; + struct pinctrl_desc pctl; + struct pinctrl_dev *pctl_dev; + struct rockchip_pin_group *groups; + unsigned int ngroups; + struct rockchip_pmx_func *functions; + unsigned int nfunctions; +}; + +#endif From patchwork Mon Jul 26 01:33:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jianqun Xu X-Patchwork-Id: 12398309 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 65D5FC4338F for ; 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Mon, 26 Jul 2021 09:33:50 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: X-RL-SENDER: jay.xu@rock-chips.com X-SENDER: xjq@rock-chips.com X-LOGIN-NAME: jay.xu@rock-chips.com X-FST-TO: linus.walleij@linaro.org X-RCPT-COUNT: 9 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Jianqun Xu To: linus.walleij@linaro.org, heiko@sntech.de Cc: bgolaszewski@baylibre.com, robh+dt@kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Jianqun Xu Subject: [PATCH v7 3/9] pinctrl/rockchip: add pinctrl device to gpio bank struct Date: Mon, 26 Jul 2021 09:33:39 +0800 Message-Id: <20210726013345.1634442-4-jay.xu@rock-chips.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210726013345.1634442-1-jay.xu@rock-chips.com> References: <20210726013345.1634442-1-jay.xu@rock-chips.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210725_183435_420298_6829EDD6 X-CRM114-Status: GOOD ( 11.44 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Store a pointer from the pinctrl device for the gpio bank. Signed-off-by: Jianqun Xu --- v7: - none, keep from v1 drivers/pinctrl/pinctrl-rockchip.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/pinctrl/pinctrl-rockchip.h b/drivers/pinctrl/pinctrl-rockchip.h index dba9e9540633..4aa3d2f1fa67 100644 --- a/drivers/pinctrl/pinctrl-rockchip.h +++ b/drivers/pinctrl/pinctrl-rockchip.h @@ -81,6 +81,7 @@ struct rockchip_drv { /** * struct rockchip_pin_bank + * @dev: the pinctrl device bind to the bank * @reg_base: register base of the gpio bank * @regmap_pull: optional separate register for additional pull settings * @clk: clock of the gpio bank @@ -105,6 +106,7 @@ struct rockchip_drv { * @route_mask: bits describing the routing pins of per bank */ struct rockchip_pin_bank { + struct device *dev; void __iomem *reg_base; struct regmap *regmap_pull; struct clk *clk; From patchwork Mon Jul 26 01:33:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jianqun Xu X-Patchwork-Id: 12398303 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E0388C4338F for ; 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Mon, 26 Jul 2021 09:33:51 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: X-RL-SENDER: jay.xu@rock-chips.com X-SENDER: xjq@rock-chips.com X-LOGIN-NAME: jay.xu@rock-chips.com X-FST-TO: linus.walleij@linaro.org X-RCPT-COUNT: 9 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Jianqun Xu To: linus.walleij@linaro.org, heiko@sntech.de Cc: bgolaszewski@baylibre.com, robh+dt@kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Liang Chen Subject: [PATCH v7 4/9] dt-bindings: gpio: change items restriction of clock for rockchip, gpio-bank Date: Mon, 26 Jul 2021 09:33:40 +0800 Message-Id: <20210726013345.1634442-5-jay.xu@rock-chips.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210726013345.1634442-1-jay.xu@rock-chips.com> References: <20210726013345.1634442-1-jay.xu@rock-chips.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210725_183358_341110_6378690E X-CRM114-Status: GOOD ( 11.19 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org From: Liang Chen The clock property need 2 items on some rockchip chips. Signed-off-by: Liang Chen --- v7: - none v6: - add to this serials .../devicetree/bindings/gpio/rockchip,gpio-bank.yaml | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml b/Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml index d993e002cebe..0d62c28fb58d 100644 --- a/Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml +++ b/Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml @@ -22,7 +22,10 @@ properties: maxItems: 1 clocks: - maxItems: 1 + minItems: 1 + items: + - description: APB interface clock source + - description: GPIO debounce reference clock source gpio-controller: true