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Message-ID: <a9074f2d-ffa2-477f-e3b5-2c7d213ec72c@linaro.org>
Date: Mon, 31 Jul 2023 16:44:19 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
Thomas Gleixner <tglx@...utronix.de>,
Miquel Raynal <miquel.raynal@...tlin.com>,
Richard Weinberger <richard@....at>,
Vignesh Raghavendra <vigneshr@...com>,
Giuseppe Cavallaro <peppe.cavallaro@...com>,
Alexandre Torgue <alexandre.torgue@...s.st.com>,
Jose Abreu <joabreu@...opsys.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Linus Walleij <linus.walleij@...aro.org>,
Bartosz Golaszewski <brgl@...ev.pl>,
Andy Shevchenko <andy@...nel.org>,
Sebastian Reichel <sre@...nel.org>,
Marc Zyngier <maz@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
devicetree@...r.kernel.org, linux-mtd@...ts.infradead.org,
netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org,
linux-pm@...r.kernel.org, linux-oxnas@...ups.io,
Arnd Bergmann <arnd@...db.de>,
Daniel Golle <daniel@...rotopia.org>
Subject: Re: [PATCH v2 09/15] pinctrl: pinctrl-oxnas: remove obsolete pinctrl
driver
Hi Linus,
On 30/06/2023 18:58, Neil Armstrong wrote:
> Due to lack of maintenance and stall of development for a few years now,
> and since no new features will ever be added upstream, remove support
> for OX810 and OX820 pinctrl & gpio.
Do you plan to take patches 9, 10 & 11 or should I funnel them via a final SoC PR ?
Thanks,
Neil
>
> Acked-by: Linus Walleij <linus.walleij@...aro.org>
> Acked-by: Arnd Bergmann <arnd@...db.de>
> Acked-by: Daniel Golle <daniel@...rotopia.org>
> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
> ---
> drivers/pinctrl/Kconfig | 11 -
> drivers/pinctrl/Makefile | 1 -
> drivers/pinctrl/pinctrl-oxnas.c | 1292 ---------------------------------------
> 3 files changed, 1304 deletions(-)
>
> diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
> index 57d57af1f624..7dfb7190580e 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 482b391b5deb..dd6cda270294 100644
> --- a/drivers/pinctrl/Makefile
> +++ b/drivers/pinctrl/Makefile
> @@ -38,7 +38,6 @@ obj-$(CONFIG_PINCTRL_MCP23S08) += pinctrl-mcp23s08.o
> obj-$(CONFIG_PINCTRL_MICROCHIP_SGPIO) += pinctrl-microchip-sgpio.o
> obj-$(CONFIG_PINCTRL_MLXBF3) += pinctrl-mlxbf3.o
> obj-$(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@...libre.com>
> - *
> - * Based on pinctrl-pic32.c
> - * Joshua Henderson, <joshua.henderson@...rochip.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);
>
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