From patchwork Fri Jun 18 06:24:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jianqun Xu X-Patchwork-Id: 464050 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 2BB72C48BDF for ; Fri, 18 Jun 2021 06:25:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 10CC86120A for ; Fri, 18 Jun 2021 06:25:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229768AbhFRG1t (ORCPT ); Fri, 18 Jun 2021 02:27:49 -0400 Received: from lucky1.263xmail.com ([211.157.147.130]:35574 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230175AbhFRG1s (ORCPT ); Fri, 18 Jun 2021 02:27:48 -0400 Received: from localhost (unknown [192.168.167.16]) by lucky1.263xmail.com (Postfix) with ESMTP id A2235D1C53; Fri, 18 Jun 2021 14:25:03 +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 P16485T139919018157824S1623997492865409_; Fri, 18 Jun 2021 14:25:03 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: <332e0c723185a29c42039667af31d3f0> 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: heiko@sntech.de X-RCPT-COUNT: 7 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Jianqun Xu To: heiko@sntech.de, linus.walleij@linaro.org Cc: linux-gpio@vger.kernel.org, linux-rockchip@lists.infradead.org, robh+dt@kernel.org, kever.yang@rock-chips.com, Jianqun Xu Subject: [PATCH 2/9] pinctrl/rockchip: separate struct rockchip_pin_bank to a head file Date: Fri, 18 Jun 2021 14:24:42 +0800 Message-Id: <20210618062449.1067106-3-jay.xu@rock-chips.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210618062449.1067106-1-jay.xu@rock-chips.com> References: <20210618062449.1067106-1-jay.xu@rock-chips.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.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 --- 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