[RFC,13/20] pinctrl: pinctrl-oxnas: remove obsolete pinctrl driver

Message ID	20230331-topic-oxnas-upstream-remove-v1-13-5bd58fd1dd1f@linaro.org
State	Superseded
Headers	show Return-Path: <linux-pm-owner@vger.kernel.org> From: Neil Armstrong <neil.armstrong@linaro.org> Date: Fri, 31 Mar 2023 10:34:51 +0200 Subject: [PATCH RFC 13/20] pinctrl: pinctrl-oxnas: remove obsolete pinctrl driver MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20230331-topic-oxnas-upstream-remove-v1-13-5bd58fd1dd1f@linaro.org> References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> In-Reply-To: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> To: Arnd Bergmann <arnd@arndb.de>, Olof Johansson <olof@lixom.net>, soc@kernel.org, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Russell King <linux@armlinux.org.uk>, Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, Daniel Lezcano <daniel.lezcano@linaro.org>, Thomas Gleixner <tglx@linutronix.de>, Miquel Raynal <miquel.raynal@bootlin.com>, Richard Weinberger <richard@nod.at>, Vignesh Raghavendra <vigneshr@ti.com>, Giuseppe Cavallaro <peppe.cavallaro@st.com>, Alexandre Torgue <alexandre.torgue@foss.st.com>, Jose Abreu <joabreu@synopsys.com>, "David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, Maxime Coquelin <mcoquelin.stm32@gmail.com>, Linus Walleij <linus.walleij@linaro.org>, Bartosz Golaszewski <brgl@bgdev.pl>, Sebastian Reichel <sre@kernel.org>, Philipp Zabel <p.zabel@pengutronix.de>, Marc Zyngier <maz@kernel.org> Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Neil Armstrong <neil.armstrong@linaro.org> Precedence: bulk
Series	ARM: oxnas support removal \| expand [RFC,00/20] ARM: oxnas support removal [RFC,01/20] ARM: dts: oxnas: remove obsolete device tree files [RFC,02/20] ARM: oxnas: remove OXNAS support [RFC,03/20] ARM: configs: remove oxnas_v6_defconfig [RFC,04/20] dt-bindings: arm: oxnas: remove obsolete bindings [RFC,05/20] clk: oxnas: remove obsolete clock driver [RFC,06/20] dt-bindings: clk: oxnas: remove obsolete bindings [RFC,07/20] clksource: timer-oxnas-rps: remove obsolete timer driver [RFC,08/20] dt-bindings: timer: oxsemi,rps-timer: remove obsolete bindings [RFC,09/20] nand: oxnas_nand: remove obsolete raw nand driver [RFC,10/20] dt-bindings: mtd: oxnas-nand: remove obsolete bindings [RFC,11/20] net: stmmac: dwmac-oxnas: remove obsolete dwmac glue driver [RFC,12/20] dt-bindings: net: oxnas-dwmac: remove obsolete bindings [RFC,13/20] pinctrl: pinctrl-oxnas: remove obsolete pinctrl driver [RFC,14/20] dt-bindings: pinctrl: oxnas,pinctrl: remove obsolete bindings [RFC,15/20] dt-bindings: gpio: gpio_oxnas: remove obsolete bindings [RFC,16/20] power: reset: oxnas-restart: remove obsolete restart driver [RFC,17/20] reset: oxnas: remove obsolete reset driver [RFC,18/20] irqchip: irq-versatile-fpga: remove obsolete oxnas compatible [RFC,19/20] dt-bindings: interrupt-controller: arm,versatile-fpga-irq: mark oxnas compatible as d... [RFC,20/20] MAINTAINERS: remove OXNAS entry

diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index dcb53c4a9584..d2c1c9bd541a 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -355,17 +355,6 @@ config PINCTRL_OCELOT If conpiled as a module, the module name will be pinctrl-ocelot. -config PINCTRL_OXNAS - bool - depends on OF - select PINMUX - select PINCONF - select GENERIC_PINCONF - select GPIOLIB - select OF_GPIO - select GPIOLIB_IRQCHIP - select MFD_SYSCON - config PINCTRL_PALMAS tristate "Pinctrl driver for the PALMAS Series MFD devices" depends on OF && MFD_PALMAS diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile index d5939840bb2a..f8eb7f3eefa0 100644 --- a/drivers/pinctrl/Makefile +++ b/drivers/pinctrl/Makefile @@ -37,7 +37,6 @@ obj-$(CONFIG_PINCTRL_MCP23S08_SPI) += pinctrl-mcp23s08_spi.o obj-$(CONFIG_PINCTRL_MCP23S08) += pinctrl-mcp23s08.o obj-$(CONFIG_PINCTRL_MICROCHIP_SGPIO) += pinctrl-microchip-sgpio.o obj-$(CONFIG_PINCTRL_OCELOT) += pinctrl-ocelot.o -obj-$(CONFIG_PINCTRL_OXNAS) += pinctrl-oxnas.o obj-$(CONFIG_PINCTRL_PALMAS) += pinctrl-palmas.o obj-$(CONFIG_PINCTRL_PIC32) += pinctrl-pic32.o obj-$(CONFIG_PINCTRL_PISTACHIO) += pinctrl-pistachio.o diff --git a/drivers/pinctrl/pinctrl-oxnas.c b/drivers/pinctrl/pinctrl-oxnas.c deleted file mode 100644 index fb10a8473ebe..000000000000 --- a/drivers/pinctrl/pinctrl-oxnas.c +++ /dev/null @@ -1,1292 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Oxford Semiconductor OXNAS SoC Family pinctrl driver - * - * Copyright (C) 2016 Neil Armstrong <narmstrong@baylibre.com> - * - * Based on pinctrl-pic32.c - * Joshua Henderson, <joshua.henderson@microchip.com> - * Copyright (C) 2015 Microchip Technology Inc. All rights reserved. - */ -#include <linux/gpio/driver.h> -#include <linux/interrupt.h> -#include <linux/io.h> -#include <linux/irq.h> -#include <linux/of.h> -#include <linux/of_device.h> -#include <linux/pinctrl/pinconf.h> -#include <linux/pinctrl/pinconf-generic.h> -#include <linux/pinctrl/pinctrl.h> -#include <linux/pinctrl/pinmux.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/regmap.h> -#include <linux/mfd/syscon.h> - -#include "pinctrl-utils.h" - -#define PINS_PER_BANK 32 - -#define GPIO_BANK_START(bank) ((bank) * PINS_PER_BANK) - -/* OX810 Regmap Offsets */ -#define PINMUX_810_PRIMARY_SEL0 0x0c -#define PINMUX_810_SECONDARY_SEL0 0x14 -#define PINMUX_810_TERTIARY_SEL0 0x8c -#define PINMUX_810_PRIMARY_SEL1 0x10 -#define PINMUX_810_SECONDARY_SEL1 0x18 -#define PINMUX_810_TERTIARY_SEL1 0x90 -#define PINMUX_810_PULLUP_CTRL0 0xac -#define PINMUX_810_PULLUP_CTRL1 0xb0 - -/* OX820 Regmap Offsets */ -#define PINMUX_820_BANK_OFFSET 0x100000 -#define PINMUX_820_SECONDARY_SEL 0x14 -#define PINMUX_820_TERTIARY_SEL 0x8c -#define PINMUX_820_QUATERNARY_SEL 0x94 -#define PINMUX_820_DEBUG_SEL 0x9c -#define PINMUX_820_ALTERNATIVE_SEL 0xa4 -#define PINMUX_820_PULLUP_CTRL 0xac - -/* GPIO Registers */ -#define INPUT_VALUE 0x00 -#define OUTPUT_EN 0x04 -#define IRQ_PENDING 0x0c -#define OUTPUT_SET 0x14 -#define OUTPUT_CLEAR 0x18 -#define OUTPUT_EN_SET 0x1c -#define OUTPUT_EN_CLEAR 0x20 -#define RE_IRQ_ENABLE 0x28 -#define FE_IRQ_ENABLE 0x2c - -struct oxnas_function { - const char *name; - const char * const *groups; - unsigned int ngroups; -}; - -struct oxnas_pin_group { - const char *name; - unsigned int pin; - unsigned int bank; - struct oxnas_desc_function *functions; -}; - -struct oxnas_desc_function { - const char *name; - unsigned int fct; -}; - -struct oxnas_gpio_bank { - void __iomem *reg_base; - struct gpio_chip gpio_chip; - struct irq_chip irq_chip; - unsigned int id; -}; - -struct oxnas_pinctrl { - struct regmap *regmap; - struct device *dev; - struct pinctrl_dev *pctldev; - const struct oxnas_function *functions; - unsigned int nfunctions; - const struct oxnas_pin_group *groups; - unsigned int ngroups; - struct oxnas_gpio_bank *gpio_banks; - unsigned int nbanks; -}; - -struct oxnas_pinctrl_data { - struct pinctrl_desc *desc; - struct oxnas_pinctrl *pctl; -}; - -static const struct pinctrl_pin_desc oxnas_ox810se_pins[] = { - PINCTRL_PIN(0, "gpio0"), - PINCTRL_PIN(1, "gpio1"), - PINCTRL_PIN(2, "gpio2"), - PINCTRL_PIN(3, "gpio3"), - PINCTRL_PIN(4, "gpio4"), - PINCTRL_PIN(5, "gpio5"), - PINCTRL_PIN(6, "gpio6"), - PINCTRL_PIN(7, "gpio7"), - PINCTRL_PIN(8, "gpio8"), - PINCTRL_PIN(9, "gpio9"), - PINCTRL_PIN(10, "gpio10"), - PINCTRL_PIN(11, "gpio11"), - PINCTRL_PIN(12, "gpio12"), - PINCTRL_PIN(13, "gpio13"), - PINCTRL_PIN(14, "gpio14"), - PINCTRL_PIN(15, "gpio15"), - PINCTRL_PIN(16, "gpio16"), - PINCTRL_PIN(17, "gpio17"), - PINCTRL_PIN(18, "gpio18"), - PINCTRL_PIN(19, "gpio19"), - PINCTRL_PIN(20, "gpio20"), - PINCTRL_PIN(21, "gpio21"), - PINCTRL_PIN(22, "gpio22"), - PINCTRL_PIN(23, "gpio23"), - PINCTRL_PIN(24, "gpio24"), - PINCTRL_PIN(25, "gpio25"), - PINCTRL_PIN(26, "gpio26"), - PINCTRL_PIN(27, "gpio27"), - PINCTRL_PIN(28, "gpio28"), - PINCTRL_PIN(29, "gpio29"), - PINCTRL_PIN(30, "gpio30"), - PINCTRL_PIN(31, "gpio31"), - PINCTRL_PIN(32, "gpio32"), - PINCTRL_PIN(33, "gpio33"), - PINCTRL_PIN(34, "gpio34"), -}; - -static const struct pinctrl_pin_desc oxnas_ox820_pins[] = { - PINCTRL_PIN(0, "gpio0"), - PINCTRL_PIN(1, "gpio1"), - PINCTRL_PIN(2, "gpio2"), - PINCTRL_PIN(3, "gpio3"), - PINCTRL_PIN(4, "gpio4"), - PINCTRL_PIN(5, "gpio5"), - PINCTRL_PIN(6, "gpio6"), - PINCTRL_PIN(7, "gpio7"), - PINCTRL_PIN(8, "gpio8"), - PINCTRL_PIN(9, "gpio9"), - PINCTRL_PIN(10, "gpio10"), - PINCTRL_PIN(11, "gpio11"), - PINCTRL_PIN(12, "gpio12"), - PINCTRL_PIN(13, "gpio13"), - PINCTRL_PIN(14, "gpio14"), - PINCTRL_PIN(15, "gpio15"), - PINCTRL_PIN(16, "gpio16"), - PINCTRL_PIN(17, "gpio17"), - PINCTRL_PIN(18, "gpio18"), - PINCTRL_PIN(19, "gpio19"), - PINCTRL_PIN(20, "gpio20"), - PINCTRL_PIN(21, "gpio21"), - PINCTRL_PIN(22, "gpio22"), - PINCTRL_PIN(23, "gpio23"), - PINCTRL_PIN(24, "gpio24"), - PINCTRL_PIN(25, "gpio25"), - PINCTRL_PIN(26, "gpio26"), - PINCTRL_PIN(27, "gpio27"), - PINCTRL_PIN(28, "gpio28"), - PINCTRL_PIN(29, "gpio29"), - PINCTRL_PIN(30, "gpio30"), - PINCTRL_PIN(31, "gpio31"), - PINCTRL_PIN(32, "gpio32"), - PINCTRL_PIN(33, "gpio33"), - PINCTRL_PIN(34, "gpio34"), - PINCTRL_PIN(35, "gpio35"), - PINCTRL_PIN(36, "gpio36"), - PINCTRL_PIN(37, "gpio37"), - PINCTRL_PIN(38, "gpio38"), - PINCTRL_PIN(39, "gpio39"), - PINCTRL_PIN(40, "gpio40"), - PINCTRL_PIN(41, "gpio41"), - PINCTRL_PIN(42, "gpio42"), - PINCTRL_PIN(43, "gpio43"), - PINCTRL_PIN(44, "gpio44"), - PINCTRL_PIN(45, "gpio45"), - PINCTRL_PIN(46, "gpio46"), - PINCTRL_PIN(47, "gpio47"), - PINCTRL_PIN(48, "gpio48"), - PINCTRL_PIN(49, "gpio49"), -}; - -static const char * const oxnas_ox810se_fct0_group[] = { - "gpio0", "gpio1", "gpio2", "gpio3", - "gpio4", "gpio5", "gpio6", "gpio7", - "gpio8", "gpio9", "gpio10", "gpio11", - "gpio12", "gpio13", "gpio14", "gpio15", - "gpio16", "gpio17", "gpio18", "gpio19", - "gpio20", "gpio21", "gpio22", "gpio23", - "gpio24", "gpio25", "gpio26", "gpio27", - "gpio28", "gpio29", "gpio30", "gpio31", - "gpio32", "gpio33", "gpio34" -}; - -static const char * const oxnas_ox810se_fct3_group[] = { - "gpio0", "gpio1", "gpio2", "gpio3", - "gpio4", "gpio5", "gpio6", "gpio7", - "gpio8", "gpio9", - "gpio20", - "gpio22", "gpio23", "gpio24", "gpio25", - "gpio26", "gpio27", "gpio28", "gpio29", - "gpio30", "gpio31", "gpio32", "gpio33", - "gpio34" -}; - -static const char * const oxnas_ox820_fct0_group[] = { - "gpio0", "gpio1", "gpio2", "gpio3", - "gpio4", "gpio5", "gpio6", "gpio7", - "gpio8", "gpio9", "gpio10", "gpio11", - "gpio12", "gpio13", "gpio14", "gpio15", - "gpio16", "gpio17", "gpio18", "gpio19", - "gpio20", "gpio21", "gpio22", "gpio23", - "gpio24", "gpio25", "gpio26", "gpio27", - "gpio28", "gpio29", "gpio30", "gpio31", - "gpio32", "gpio33", "gpio34", "gpio35", - "gpio36", "gpio37", "gpio38", "gpio39", - "gpio40", "gpio41", "gpio42", "gpio43", - "gpio44", "gpio45", "gpio46", "gpio47", - "gpio48", "gpio49" -}; - -static const char * const oxnas_ox820_fct1_group[] = { - "gpio3", "gpio4", - "gpio12", "gpio13", "gpio14", "gpio15", - "gpio16", "gpio17", "gpio18", "gpio19", - "gpio20", "gpio21", "gpio22", "gpio23", - "gpio24" -}; - -static const char * const oxnas_ox820_fct4_group[] = { - "gpio5", "gpio6", "gpio7", "gpio8", - "gpio24", "gpio25", "gpio26", "gpio27", - "gpio40", "gpio41", "gpio42", "gpio43" -}; - -static const char * const oxnas_ox820_fct5_group[] = { - "gpio28", "gpio29", "gpio30", "gpio31" -}; - -#define FUNCTION(_name, _gr) \ - { \ - .name = #_name, \ - .groups = oxnas_##_gr##_group, \ - .ngroups = ARRAY_SIZE(oxnas_##_gr##_group), \ - } - -static const struct oxnas_function oxnas_ox810se_functions[] = { - FUNCTION(gpio, ox810se_fct0), - FUNCTION(fct3, ox810se_fct3), -}; - -static const struct oxnas_function oxnas_ox820_functions[] = { - FUNCTION(gpio, ox820_fct0), - FUNCTION(fct1, ox820_fct1), - FUNCTION(fct4, ox820_fct4), - FUNCTION(fct5, ox820_fct5), -}; - -#define OXNAS_PINCTRL_GROUP(_pin, _name, ...) \ - { \ - .name = #_name, \ - .pin = _pin, \ - .bank = _pin / PINS_PER_BANK, \ - .functions = (struct oxnas_desc_function[]){ \ - __VA_ARGS__, { } }, \ - } - -#define OXNAS_PINCTRL_FUNCTION(_name, _fct) \ - { \ - .name = #_name, \ - .fct = _fct, \ - } - -static const struct oxnas_pin_group oxnas_ox810se_groups[] = { - OXNAS_PINCTRL_GROUP(0, gpio0, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(1, gpio1, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(2, gpio2, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(3, gpio3, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(4, gpio4, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(5, gpio5, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(6, gpio6, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(7, gpio7, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(8, gpio8, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(9, gpio9, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(10, gpio10, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(11, gpio11, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(12, gpio12, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(13, gpio13, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(14, gpio14, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(15, gpio15, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(16, gpio16, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(17, gpio17, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(18, gpio18, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(19, gpio19, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(20, gpio20, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(21, gpio21, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(22, gpio22, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(23, gpio23, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(24, gpio24, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(25, gpio25, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(26, gpio26, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(27, gpio27, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(28, gpio28, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(29, gpio29, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(30, gpio30, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(31, gpio31, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(32, gpio32, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(33, gpio33, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(34, gpio34, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), -}; - -static const struct oxnas_pin_group oxnas_ox820_groups[] = { - OXNAS_PINCTRL_GROUP(0, gpio0, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(1, gpio1, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(2, gpio2, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(3, gpio3, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(4, gpio4, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(5, gpio5, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(6, gpio6, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(7, gpio7, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(8, gpio8, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(9, gpio9, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(10, gpio10, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(11, gpio11, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(12, gpio12, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(13, gpio13, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(14, gpio14, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(15, gpio15, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(16, gpio16, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(17, gpio17, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(18, gpio18, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(19, gpio19, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(20, gpio20, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(21, gpio21, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(22, gpio22, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(23, gpio23, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(24, gpio24, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1), - OXNAS_PINCTRL_FUNCTION(fct4, 5)), - OXNAS_PINCTRL_GROUP(25, gpio25, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(26, gpio26, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(27, gpio27, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(28, gpio28, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct5, 5)), - OXNAS_PINCTRL_GROUP(29, gpio29, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct5, 5)), - OXNAS_PINCTRL_GROUP(30, gpio30, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct5, 5)), - OXNAS_PINCTRL_GROUP(31, gpio31, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct5, 5)), - OXNAS_PINCTRL_GROUP(32, gpio32, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(33, gpio33, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(34, gpio34, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(35, gpio35, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(36, gpio36, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(37, gpio37, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(38, gpio38, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(39, gpio39, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(40, gpio40, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(41, gpio41, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(42, gpio42, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(43, gpio43, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(44, gpio44, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(45, gpio45, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(46, gpio46, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(47, gpio47, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(48, gpio48, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(49, gpio49, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), -}; - -static inline struct oxnas_gpio_bank *pctl_to_bank(struct oxnas_pinctrl *pctl, - unsigned int pin) -{ - return &pctl->gpio_banks[pin / PINS_PER_BANK]; -} - -static int oxnas_pinctrl_get_groups_count(struct pinctrl_dev *pctldev) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - - return pctl->ngroups; -} - -static const char *oxnas_pinctrl_get_group_name(struct pinctrl_dev *pctldev, - unsigned int group) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - - return pctl->groups[group].name; -} - -static int oxnas_pinctrl_get_group_pins(struct pinctrl_dev *pctldev, - unsigned int group, - const unsigned int **pins, - unsigned int *num_pins) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - - *pins = &pctl->groups[group].pin; - *num_pins = 1; - - return 0; -} - -static const struct pinctrl_ops oxnas_pinctrl_ops = { - .get_groups_count = oxnas_pinctrl_get_groups_count, - .get_group_name = oxnas_pinctrl_get_group_name, - .get_group_pins = oxnas_pinctrl_get_group_pins, - .dt_node_to_map = pinconf_generic_dt_node_to_map_pin, - .dt_free_map = pinctrl_utils_free_map, -}; - -static int oxnas_pinmux_get_functions_count(struct pinctrl_dev *pctldev) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - - return pctl->nfunctions; -} - -static const char * -oxnas_pinmux_get_function_name(struct pinctrl_dev *pctldev, unsigned int func) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - - return pctl->functions[func].name; -} - -static int oxnas_pinmux_get_function_groups(struct pinctrl_dev *pctldev, - unsigned int func, - const char * const **groups, - unsigned int * const num_groups) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - - *groups = pctl->functions[func].groups; - *num_groups = pctl->functions[func].ngroups; - - return 0; -} - -static int oxnas_ox810se_pinmux_enable(struct pinctrl_dev *pctldev, - unsigned int func, unsigned int group) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - const struct oxnas_pin_group *pg = &pctl->groups[group]; - const struct oxnas_function *pf = &pctl->functions[func]; - const char *fname = pf->name; - struct oxnas_desc_function *functions = pg->functions; - u32 mask = BIT(pg->pin); - - while (functions->name) { - if (!strcmp(functions->name, fname)) { - dev_dbg(pctl->dev, - "setting function %s bank %d pin %d fct %d mask %x\n", - fname, pg->bank, pg->pin, - functions->fct, mask); - - regmap_write_bits(pctl->regmap, - (pg->bank ? - PINMUX_810_PRIMARY_SEL1 : - PINMUX_810_PRIMARY_SEL0), - mask, - (functions->fct == 1 ? - mask : 0)); - regmap_write_bits(pctl->regmap, - (pg->bank ? - PINMUX_810_SECONDARY_SEL1 : - PINMUX_810_SECONDARY_SEL0), - mask, - (functions->fct == 2 ? - mask : 0)); - regmap_write_bits(pctl->regmap, - (pg->bank ? - PINMUX_810_TERTIARY_SEL1 : - PINMUX_810_TERTIARY_SEL0), - mask, - (functions->fct == 3 ? - mask : 0)); - - return 0; - } - - functions++; - } - - dev_err(pctl->dev, "cannot mux pin %u to function %u\n", group, func); - - return -EINVAL; -} - -static int oxnas_ox820_pinmux_enable(struct pinctrl_dev *pctldev, - unsigned int func, unsigned int group) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - const struct oxnas_pin_group *pg = &pctl->groups[group]; - const struct oxnas_function *pf = &pctl->functions[func]; - const char *fname = pf->name; - struct oxnas_desc_function *functions = pg->functions; - unsigned int offset = (pg->bank ? PINMUX_820_BANK_OFFSET : 0); - u32 mask = BIT(pg->pin); - - while (functions->name) { - if (!strcmp(functions->name, fname)) { - dev_dbg(pctl->dev, - "setting function %s bank %d pin %d fct %d mask %x\n", - fname, pg->bank, pg->pin, - functions->fct, mask); - - regmap_write_bits(pctl->regmap, - offset + PINMUX_820_SECONDARY_SEL, - mask, - (functions->fct == 1 ? - mask : 0)); - regmap_write_bits(pctl->regmap, - offset + PINMUX_820_TERTIARY_SEL, - mask, - (functions->fct == 2 ? - mask : 0)); - regmap_write_bits(pctl->regmap, - offset + PINMUX_820_QUATERNARY_SEL, - mask, - (functions->fct == 3 ? - mask : 0)); - regmap_write_bits(pctl->regmap, - offset + PINMUX_820_DEBUG_SEL, - mask, - (functions->fct == 4 ? - mask : 0)); - regmap_write_bits(pctl->regmap, - offset + PINMUX_820_ALTERNATIVE_SEL, - mask, - (functions->fct == 5 ? - mask : 0)); - - return 0; - } - - functions++; - } - - dev_err(pctl->dev, "cannot mux pin %u to function %u\n", group, func); - - return -EINVAL; -} - -static int oxnas_ox810se_gpio_request_enable(struct pinctrl_dev *pctldev, - struct pinctrl_gpio_range *range, - unsigned int offset) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct oxnas_gpio_bank *bank = gpiochip_get_data(range->gc); - u32 mask = BIT(offset - bank->gpio_chip.base); - - dev_dbg(pctl->dev, "requesting gpio %d in bank %d (id %d) with mask 0x%x\n", - offset, bank->gpio_chip.base, bank->id, mask); - - regmap_write_bits(pctl->regmap, - (bank->id ? - PINMUX_810_PRIMARY_SEL1 : - PINMUX_810_PRIMARY_SEL0), - mask, 0); - regmap_write_bits(pctl->regmap, - (bank->id ? - PINMUX_810_SECONDARY_SEL1 : - PINMUX_810_SECONDARY_SEL0), - mask, 0); - regmap_write_bits(pctl->regmap, - (bank->id ? - PINMUX_810_TERTIARY_SEL1 : - PINMUX_810_TERTIARY_SEL0), - mask, 0); - - return 0; -} - -static int oxnas_ox820_gpio_request_enable(struct pinctrl_dev *pctldev, - struct pinctrl_gpio_range *range, - unsigned int offset) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct oxnas_gpio_bank *bank = gpiochip_get_data(range->gc); - unsigned int bank_offset = (bank->id ? PINMUX_820_BANK_OFFSET : 0); - u32 mask = BIT(offset - bank->gpio_chip.base); - - dev_dbg(pctl->dev, "requesting gpio %d in bank %d (id %d) with mask 0x%x\n", - offset, bank->gpio_chip.base, bank->id, mask); - - regmap_write_bits(pctl->regmap, - bank_offset + PINMUX_820_SECONDARY_SEL, - mask, 0); - regmap_write_bits(pctl->regmap, - bank_offset + PINMUX_820_TERTIARY_SEL, - mask, 0); - regmap_write_bits(pctl->regmap, - bank_offset + PINMUX_820_QUATERNARY_SEL, - mask, 0); - regmap_write_bits(pctl->regmap, - bank_offset + PINMUX_820_DEBUG_SEL, - mask, 0); - regmap_write_bits(pctl->regmap, - bank_offset + PINMUX_820_ALTERNATIVE_SEL, - mask, 0); - - return 0; -} - -static int oxnas_gpio_get_direction(struct gpio_chip *chip, - unsigned int offset) -{ - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - u32 mask = BIT(offset); - - if (readl_relaxed(bank->reg_base + OUTPUT_EN) & mask) - return GPIO_LINE_DIRECTION_OUT; - - return GPIO_LINE_DIRECTION_IN; -} - -static int oxnas_gpio_direction_input(struct gpio_chip *chip, - unsigned int offset) -{ - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - u32 mask = BIT(offset); - - writel_relaxed(mask, bank->reg_base + OUTPUT_EN_CLEAR); - - return 0; -} - -static int oxnas_gpio_get(struct gpio_chip *chip, unsigned int offset) -{ - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - u32 mask = BIT(offset); - - return (readl_relaxed(bank->reg_base + INPUT_VALUE) & mask) != 0; -} - -static void oxnas_gpio_set(struct gpio_chip *chip, unsigned int offset, - int value) -{ - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - u32 mask = BIT(offset); - - if (value) - writel_relaxed(mask, bank->reg_base + OUTPUT_SET); - else - writel_relaxed(mask, bank->reg_base + OUTPUT_CLEAR); -} - -static int oxnas_gpio_direction_output(struct gpio_chip *chip, - unsigned int offset, int value) -{ - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - u32 mask = BIT(offset); - - oxnas_gpio_set(chip, offset, value); - writel_relaxed(mask, bank->reg_base + OUTPUT_EN_SET); - - return 0; -} - -static int oxnas_gpio_set_direction(struct pinctrl_dev *pctldev, - struct pinctrl_gpio_range *range, - unsigned int offset, bool input) -{ - struct gpio_chip *chip = range->gc; - - if (input) - oxnas_gpio_direction_input(chip, offset); - else - oxnas_gpio_direction_output(chip, offset, 0); - - return 0; -} - -static const struct pinmux_ops oxnas_ox810se_pinmux_ops = { - .get_functions_count = oxnas_pinmux_get_functions_count, - .get_function_name = oxnas_pinmux_get_function_name, - .get_function_groups = oxnas_pinmux_get_function_groups, - .set_mux = oxnas_ox810se_pinmux_enable, - .gpio_request_enable = oxnas_ox810se_gpio_request_enable, - .gpio_set_direction = oxnas_gpio_set_direction, -}; - -static const struct pinmux_ops oxnas_ox820_pinmux_ops = { - .get_functions_count = oxnas_pinmux_get_functions_count, - .get_function_name = oxnas_pinmux_get_function_name, - .get_function_groups = oxnas_pinmux_get_function_groups, - .set_mux = oxnas_ox820_pinmux_enable, - .gpio_request_enable = oxnas_ox820_gpio_request_enable, - .gpio_set_direction = oxnas_gpio_set_direction, -}; - -static int oxnas_ox810se_pinconf_get(struct pinctrl_dev *pctldev, - unsigned int pin, unsigned long *config) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin); - unsigned int param = pinconf_to_config_param(*config); - u32 mask = BIT(pin - bank->gpio_chip.base); - int ret; - u32 arg; - - switch (param) { - case PIN_CONFIG_BIAS_PULL_UP: - ret = regmap_read(pctl->regmap, - (bank->id ? - PINMUX_810_PULLUP_CTRL1 : - PINMUX_810_PULLUP_CTRL0), - &arg); - if (ret) - return ret; - - arg = !!(arg & mask); - break; - default: - return -ENOTSUPP; - } - - *config = pinconf_to_config_packed(param, arg); - - return 0; -} - -static int oxnas_ox820_pinconf_get(struct pinctrl_dev *pctldev, - unsigned int pin, unsigned long *config) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin); - unsigned int param = pinconf_to_config_param(*config); - unsigned int bank_offset = (bank->id ? PINMUX_820_BANK_OFFSET : 0); - u32 mask = BIT(pin - bank->gpio_chip.base); - int ret; - u32 arg; - - switch (param) { - case PIN_CONFIG_BIAS_PULL_UP: - ret = regmap_read(pctl->regmap, - bank_offset + PINMUX_820_PULLUP_CTRL, - &arg); - if (ret) - return ret; - - arg = !!(arg & mask); - break; - default: - return -ENOTSUPP; - } - - *config = pinconf_to_config_packed(param, arg); - - return 0; -} - -static int oxnas_ox810se_pinconf_set(struct pinctrl_dev *pctldev, - unsigned int pin, unsigned long *configs, - unsigned int num_configs) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin); - unsigned int param; - unsigned int i; - u32 offset = pin - bank->gpio_chip.base; - u32 mask = BIT(offset); - - dev_dbg(pctl->dev, "setting pin %d bank %d mask 0x%x\n", - pin, bank->gpio_chip.base, mask); - - for (i = 0; i < num_configs; i++) { - param = pinconf_to_config_param(configs[i]); - - switch (param) { - case PIN_CONFIG_BIAS_PULL_UP: - dev_dbg(pctl->dev, " pullup\n"); - regmap_write_bits(pctl->regmap, - (bank->id ? - PINMUX_810_PULLUP_CTRL1 : - PINMUX_810_PULLUP_CTRL0), - mask, mask); - break; - default: - dev_err(pctl->dev, "Property %u not supported\n", - param); - return -ENOTSUPP; - } - } - - return 0; -} - -static int oxnas_ox820_pinconf_set(struct pinctrl_dev *pctldev, - unsigned int pin, unsigned long *configs, - unsigned int num_configs) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin); - unsigned int bank_offset = (bank->id ? PINMUX_820_BANK_OFFSET : 0); - unsigned int param; - unsigned int i; - u32 offset = pin - bank->gpio_chip.base; - u32 mask = BIT(offset); - - dev_dbg(pctl->dev, "setting pin %d bank %d mask 0x%x\n", - pin, bank->gpio_chip.base, mask); - - for (i = 0; i < num_configs; i++) { - param = pinconf_to_config_param(configs[i]); - - switch (param) { - case PIN_CONFIG_BIAS_PULL_UP: - dev_dbg(pctl->dev, " pullup\n"); - regmap_write_bits(pctl->regmap, - bank_offset + PINMUX_820_PULLUP_CTRL, - mask, mask); - break; - default: - dev_err(pctl->dev, "Property %u not supported\n", - param); - return -ENOTSUPP; - } - } - - return 0; -} - -static const struct pinconf_ops oxnas_ox810se_pinconf_ops = { - .pin_config_get = oxnas_ox810se_pinconf_get, - .pin_config_set = oxnas_ox810se_pinconf_set, - .is_generic = true, -}; - -static const struct pinconf_ops oxnas_ox820_pinconf_ops = { - .pin_config_get = oxnas_ox820_pinconf_get, - .pin_config_set = oxnas_ox820_pinconf_set, - .is_generic = true, -}; - -static void oxnas_gpio_irq_ack(struct irq_data *data) -{ - struct gpio_chip *chip = irq_data_get_irq_chip_data(data); - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - u32 mask = BIT(data->hwirq); - - writel(mask, bank->reg_base + IRQ_PENDING); -} - -static void oxnas_gpio_irq_mask(struct irq_data *data) -{ - struct gpio_chip *chip = irq_data_get_irq_chip_data(data); - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - unsigned int type = irqd_get_trigger_type(data); - u32 mask = BIT(data->hwirq); - - if (type & IRQ_TYPE_EDGE_RISING) - writel(readl(bank->reg_base + RE_IRQ_ENABLE) & ~mask, - bank->reg_base + RE_IRQ_ENABLE); - - if (type & IRQ_TYPE_EDGE_FALLING) - writel(readl(bank->reg_base + FE_IRQ_ENABLE) & ~mask, - bank->reg_base + FE_IRQ_ENABLE); -} - -static void oxnas_gpio_irq_unmask(struct irq_data *data) -{ - struct gpio_chip *chip = irq_data_get_irq_chip_data(data); - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - unsigned int type = irqd_get_trigger_type(data); - u32 mask = BIT(data->hwirq); - - if (type & IRQ_TYPE_EDGE_RISING) - writel(readl(bank->reg_base + RE_IRQ_ENABLE) | mask, - bank->reg_base + RE_IRQ_ENABLE); - - if (type & IRQ_TYPE_EDGE_FALLING) - writel(readl(bank->reg_base + FE_IRQ_ENABLE) | mask, - bank->reg_base + FE_IRQ_ENABLE); -} - -static unsigned int oxnas_gpio_irq_startup(struct irq_data *data) -{ - struct gpio_chip *chip = irq_data_get_irq_chip_data(data); - - oxnas_gpio_direction_input(chip, data->hwirq); - oxnas_gpio_irq_unmask(data); - - return 0; -} - -static int oxnas_gpio_irq_set_type(struct irq_data *data, unsigned int type) -{ - if ((type & (IRQ_TYPE_EDGE_RISING|IRQ_TYPE_EDGE_FALLING)) == 0) - return -EINVAL; - - irq_set_handler_locked(data, handle_edge_irq); - - return 0; -} - -static void oxnas_gpio_irq_handler(struct irq_desc *desc) -{ - struct gpio_chip *gc = irq_desc_get_handler_data(desc); - struct oxnas_gpio_bank *bank = gpiochip_get_data(gc); - struct irq_chip *chip = irq_desc_get_chip(desc); - unsigned long stat; - unsigned int pin; - - chained_irq_enter(chip, desc); - - stat = readl(bank->reg_base + IRQ_PENDING); - - for_each_set_bit(pin, &stat, BITS_PER_LONG) - generic_handle_domain_irq(gc->irq.domain, pin); - - chained_irq_exit(chip, desc); -} - -#define GPIO_BANK(_bank) \ - { \ - .gpio_chip = { \ - .label = "GPIO" #_bank, \ - .request = gpiochip_generic_request, \ - .free = gpiochip_generic_free, \ - .get_direction = oxnas_gpio_get_direction, \ - .direction_input = oxnas_gpio_direction_input, \ - .direction_output = oxnas_gpio_direction_output, \ - .get = oxnas_gpio_get, \ - .set = oxnas_gpio_set, \ - .ngpio = PINS_PER_BANK, \ - .base = GPIO_BANK_START(_bank), \ - .owner = THIS_MODULE, \ - .can_sleep = 0, \ - }, \ - .irq_chip = { \ - .name = "GPIO" #_bank, \ - .irq_startup = oxnas_gpio_irq_startup, \ - .irq_ack = oxnas_gpio_irq_ack, \ - .irq_mask = oxnas_gpio_irq_mask, \ - .irq_unmask = oxnas_gpio_irq_unmask, \ - .irq_set_type = oxnas_gpio_irq_set_type, \ - }, \ - } - -static struct oxnas_gpio_bank oxnas_gpio_banks[] = { - GPIO_BANK(0), - GPIO_BANK(1), -}; - -static struct oxnas_pinctrl ox810se_pinctrl = { - .functions = oxnas_ox810se_functions, - .nfunctions = ARRAY_SIZE(oxnas_ox810se_functions), - .groups = oxnas_ox810se_groups, - .ngroups = ARRAY_SIZE(oxnas_ox810se_groups), - .gpio_banks = oxnas_gpio_banks, - .nbanks = ARRAY_SIZE(oxnas_gpio_banks), -}; - -static struct pinctrl_desc oxnas_ox810se_pinctrl_desc = { - .name = "oxnas-pinctrl", - .pins = oxnas_ox810se_pins, - .npins = ARRAY_SIZE(oxnas_ox810se_pins), - .pctlops = &oxnas_pinctrl_ops, - .pmxops = &oxnas_ox810se_pinmux_ops, - .confops = &oxnas_ox810se_pinconf_ops, - .owner = THIS_MODULE, -}; - -static struct oxnas_pinctrl ox820_pinctrl = { - .functions = oxnas_ox820_functions, - .nfunctions = ARRAY_SIZE(oxnas_ox820_functions), - .groups = oxnas_ox820_groups, - .ngroups = ARRAY_SIZE(oxnas_ox820_groups), - .gpio_banks = oxnas_gpio_banks, - .nbanks = ARRAY_SIZE(oxnas_gpio_banks), -}; - -static struct pinctrl_desc oxnas_ox820_pinctrl_desc = { - .name = "oxnas-pinctrl", - .pins = oxnas_ox820_pins, - .npins = ARRAY_SIZE(oxnas_ox820_pins), - .pctlops = &oxnas_pinctrl_ops, - .pmxops = &oxnas_ox820_pinmux_ops, - .confops = &oxnas_ox820_pinconf_ops, - .owner = THIS_MODULE, -}; - -static struct oxnas_pinctrl_data oxnas_ox810se_pinctrl_data = { - .desc = &oxnas_ox810se_pinctrl_desc, - .pctl = &ox810se_pinctrl, -}; - -static struct oxnas_pinctrl_data oxnas_ox820_pinctrl_data = { - .desc = &oxnas_ox820_pinctrl_desc, - .pctl = &ox820_pinctrl, -}; - -static const struct of_device_id oxnas_pinctrl_of_match[] = { - { .compatible = "oxsemi,ox810se-pinctrl", - .data = &oxnas_ox810se_pinctrl_data - }, - { .compatible = "oxsemi,ox820-pinctrl", - .data = &oxnas_ox820_pinctrl_data, - }, - { }, -}; - -static int oxnas_pinctrl_probe(struct platform_device *pdev) -{ - const struct of_device_id *id; - const struct oxnas_pinctrl_data *data; - struct oxnas_pinctrl *pctl; - - id = of_match_node(oxnas_pinctrl_of_match, pdev->dev.of_node); - if (!id) - return -ENODEV; - - data = id->data; - if (!data || !data->pctl || !data->desc) - return -EINVAL; - - pctl = devm_kzalloc(&pdev->dev, sizeof(*pctl), GFP_KERNEL); - if (!pctl) - return -ENOMEM; - pctl->dev = &pdev->dev; - dev_set_drvdata(&pdev->dev, pctl); - - pctl->regmap = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, - "oxsemi,sys-ctrl"); - if (IS_ERR(pctl->regmap)) { - dev_err(&pdev->dev, "failed to get sys ctrl regmap\n"); - return -ENODEV; - } - - pctl->functions = data->pctl->functions; - pctl->nfunctions = data->pctl->nfunctions; - pctl->groups = data->pctl->groups; - pctl->ngroups = data->pctl->ngroups; - pctl->gpio_banks = data->pctl->gpio_banks; - pctl->nbanks = data->pctl->nbanks; - - pctl->pctldev = pinctrl_register(data->desc, &pdev->dev, pctl); - if (IS_ERR(pctl->pctldev)) { - dev_err(&pdev->dev, "Failed to register pinctrl device\n"); - return PTR_ERR(pctl->pctldev); - } - - return 0; -} - -static int oxnas_gpio_probe(struct platform_device *pdev) -{ - struct device_node *np = pdev->dev.of_node; - struct of_phandle_args pinspec; - struct oxnas_gpio_bank *bank; - unsigned int id, ngpios; - int irq, ret; - struct gpio_irq_chip *girq; - - if (of_parse_phandle_with_fixed_args(np, "gpio-ranges", - 3, 0, &pinspec)) { - dev_err(&pdev->dev, "gpio-ranges property not found\n"); - return -EINVAL; - } - - id = pinspec.args[1] / PINS_PER_BANK; - ngpios = pinspec.args[2]; - - if (id >= ARRAY_SIZE(oxnas_gpio_banks)) { - dev_err(&pdev->dev, "invalid gpio-ranges base arg\n"); - return -EINVAL; - } - - if (ngpios > PINS_PER_BANK) { - dev_err(&pdev->dev, "invalid gpio-ranges count arg\n"); - return -EINVAL; - } - - bank = &oxnas_gpio_banks[id]; - - bank->reg_base = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(bank->reg_base)) - return PTR_ERR(bank->reg_base); - - irq = platform_get_irq(pdev, 0); - if (irq < 0) - return irq; - - bank->id = id; - bank->gpio_chip.parent = &pdev->dev; - bank->gpio_chip.ngpio = ngpios; - girq = &bank->gpio_chip.irq; - girq->chip = &bank->irq_chip; - girq->parent_handler = oxnas_gpio_irq_handler; - girq->num_parents = 1; - girq->parents = devm_kcalloc(&pdev->dev, 1, sizeof(*girq->parents), - GFP_KERNEL); - if (!girq->parents) - return -ENOMEM; - girq->parents[0] = irq; - girq->default_type = IRQ_TYPE_NONE; - girq->handler = handle_level_irq; - - ret = gpiochip_add_data(&bank->gpio_chip, bank); - if (ret < 0) { - dev_err(&pdev->dev, "Failed to add GPIO chip %u: %d\n", - id, ret); - return ret; - } - - return 0; -} - -static struct platform_driver oxnas_pinctrl_driver = { - .driver = { - .name = "oxnas-pinctrl", - .of_match_table = oxnas_pinctrl_of_match, - .suppress_bind_attrs = true, - }, - .probe = oxnas_pinctrl_probe, -}; - -static const struct of_device_id oxnas_gpio_of_match[] = { - { .compatible = "oxsemi,ox810se-gpio", }, - { .compatible = "oxsemi,ox820-gpio", }, - { }, -}; - -static struct platform_driver oxnas_gpio_driver = { - .driver = { - .name = "oxnas-gpio", - .of_match_table = oxnas_gpio_of_match, - .suppress_bind_attrs = true, - }, - .probe = oxnas_gpio_probe, -}; - -static int __init oxnas_gpio_register(void) -{ - return platform_driver_register(&oxnas_gpio_driver); -} -arch_initcall(oxnas_gpio_register); - -static int __init oxnas_pinctrl_register(void) -{ - return platform_driver_register(&oxnas_pinctrl_driver); -} -arch_initcall(oxnas_pinctrl_register);

[RFC,13/20] pinctrl: pinctrl-oxnas: remove obsolete pinctrl driver

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Patch