* [PATCH v3 0/3] pinctrl: oxnas support removal
@ 2023-08-14 8:16 Neil Armstrong
2023-08-14 8:16 ` [PATCH v3 1/3] pinctrl: pinctrl-oxnas: remove obsolete pinctrl driver Neil Armstrong
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: Neil Armstrong @ 2023-08-14 8:16 UTC (permalink / raw)
To: Linus Walleij, Neil Armstrong, Rob Herring, Krzysztof Kozlowski,
Conor Dooley, Bartosz Golaszewski, Andy Shevchenko
Cc: linux-kernel, linux-gpio, linux-arm-kernel, linux-oxnas,
devicetree, Arnd Bergmann, Daniel Golle, Krzysztof Kozlowski,
Bartosz Golaszewski
With [1] removing MPCore SMP support, this makes the OX820 barely usable,
associated with a clear lack of maintainance, development and migration to
dt-schema it's clear that Linux support for OX810 and OX820 should be removed.
In addition, the OX810 hasn't been booted for years and isn't even present
in an ARM config file.
For the OX820, lack of USB and SATA support makes the platform not usable
in the current Linux support and relies on off-tree drivers hacked from the
vendor (defunct for years) sources.
The last users are in the OpenWRT distribution, and today's removal means
support will still be in stable 6.1 LTS kernel until end of 2026.
If someone wants to take over the development even with lack of SMP, I'll
be happy to hand off maintainance.
It has been a fun time adding support for this architecture, but it's time
to get over!
This patchset only removes pinctrl/gpio code, and is derived from:
https://lore.kernel.org/r/20230630-topic-oxnas-upstream-remove-v2-0-fb6ab3dea87c@linaro.org
---
Changes in v3:
- Removed applied patches
- Added Andy's tags
- Reduced for pinctrl, rebased on pinctrl devel branch
- Link to v2: https://lore.kernel.org/r/20230630-topic-oxnas-upstream-remove-v2-0-fb6ab3dea87c@linaro.org
Changes in v2:
- s/maintainance/maintenance/
- added acked/review tags
- dropped already applied patches
- drop RFC
- Link to v1: https://lore.kernel.org/r/20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org
---
Neil Armstrong (3):
pinctrl: pinctrl-oxnas: remove obsolete pinctrl driver
dt-bindings: pinctrl: oxnas,pinctrl: remove obsolete bindings
dt-bindings: gpio: gpio_oxnas: remove obsolete bindings
.../devicetree/bindings/gpio/gpio_oxnas.txt | 47 -
.../devicetree/bindings/pinctrl/oxnas,pinctrl.txt | 56 -
drivers/pinctrl/Kconfig | 11 -
drivers/pinctrl/Makefile | 1 -
drivers/pinctrl/pinctrl-oxnas.c | 1291 --------------------
5 files changed, 1406 deletions(-)
---
base-commit: c9b2572f488c3ed3974a0ff6885bb059b1751c86
change-id: 20230331-topic-oxnas-upstream-remove-a62e9d96feee
Best regards,
--
Neil Armstrong <neil.armstrong@linaro.org>
^ permalink raw reply [flat|nested] 5+ messages in thread
* [PATCH v3 1/3] pinctrl: pinctrl-oxnas: remove obsolete pinctrl driver
2023-08-14 8:16 [PATCH v3 0/3] pinctrl: oxnas support removal Neil Armstrong
@ 2023-08-14 8:16 ` Neil Armstrong
2023-08-14 8:16 ` [PATCH v3 2/3] dt-bindings: pinctrl: oxnas,pinctrl: remove obsolete bindings Neil Armstrong
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: Neil Armstrong @ 2023-08-14 8:16 UTC (permalink / raw)
To: Linus Walleij, Neil Armstrong, Rob Herring, Krzysztof Kozlowski,
Conor Dooley, Bartosz Golaszewski, Andy Shevchenko
Cc: linux-kernel, linux-gpio, linux-arm-kernel, linux-oxnas,
devicetree, Arnd Bergmann, Daniel Golle
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.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Daniel Golle <daniel@makrotopia.org>
Acked-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
---
drivers/pinctrl/Kconfig | 11 -
drivers/pinctrl/Makefile | 1 -
drivers/pinctrl/pinctrl-oxnas.c | 1291 ---------------------------------------
3 files changed, 1303 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 2b2f36994323..000000000000
--- a/drivers/pinctrl/pinctrl-oxnas.c
+++ /dev/null
@@ -1,1291 +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/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);
--
2.34.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH v3 2/3] dt-bindings: pinctrl: oxnas,pinctrl: remove obsolete bindings
2023-08-14 8:16 [PATCH v3 0/3] pinctrl: oxnas support removal Neil Armstrong
2023-08-14 8:16 ` [PATCH v3 1/3] pinctrl: pinctrl-oxnas: remove obsolete pinctrl driver Neil Armstrong
@ 2023-08-14 8:16 ` Neil Armstrong
2023-08-14 8:16 ` [PATCH v3 3/3] dt-bindings: gpio: gpio_oxnas: " Neil Armstrong
2023-08-15 9:07 ` [PATCH v3 0/3] pinctrl: oxnas support removal Linus Walleij
3 siblings, 0 replies; 5+ messages in thread
From: Neil Armstrong @ 2023-08-14 8:16 UTC (permalink / raw)
To: Linus Walleij, Neil Armstrong, Rob Herring, Krzysztof Kozlowski,
Conor Dooley, Bartosz Golaszewski, Andy Shevchenko
Cc: linux-kernel, linux-gpio, linux-arm-kernel, linux-oxnas,
devicetree, Krzysztof Kozlowski, Arnd Bergmann, Daniel Golle
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 the
OX810 and OX820 pinctrl bindings.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
---
.../devicetree/bindings/pinctrl/oxnas,pinctrl.txt | 56 ----------------------
1 file changed, 56 deletions(-)
diff --git a/Documentation/devicetree/bindings/pinctrl/oxnas,pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/oxnas,pinctrl.txt
deleted file mode 100644
index b1159434f593..000000000000
--- a/Documentation/devicetree/bindings/pinctrl/oxnas,pinctrl.txt
+++ /dev/null
@@ -1,56 +0,0 @@
-* Oxford Semiconductor OXNAS SoC Family Pin Controller
-
-Please refer to pinctrl-bindings.txt, ../gpio/gpio.txt, and
-../interrupt-controller/interrupts.txt for generic information regarding
-pin controller, GPIO, and interrupt bindings.
-
-OXNAS 'pin configuration node' is a node of a group of pins which can be
-used for a specific device or function. This node represents configurations of
-pins, optional function, and optional mux related configuration.
-
-Required properties for pin controller node:
- - compatible: "oxsemi,ox810se-pinctrl" or "oxsemi,ox820-pinctrl"
- - oxsemi,sys-ctrl: a phandle to the system controller syscon node
-
-Required properties for pin configuration sub-nodes:
- - pins: List of pins to which the configuration applies.
-
-Optional properties for pin configuration sub-nodes:
-----------------------------------------------------
- - function: Mux function for the specified pins.
- - bias-pull-up: Enable weak pull-up.
-
-Example:
-
-pinctrl: pinctrl {
- compatible = "oxsemi,ox810se-pinctrl";
-
- /* Regmap for sys registers */
- oxsemi,sys-ctrl = <&sys>;
-
- pinctrl_uart2: pinctrl_uart2 {
- uart2a {
- pins = "gpio31";
- function = "fct3";
- };
- uart2b {
- pins = "gpio32";
- function = "fct3";
- };
- };
-};
-
-uart2: serial@900000 {
- compatible = "ns16550a";
- reg = <0x900000 0x100000>;
- clocks = <&sysclk>;
- interrupts = <29>;
- reg-shift = <0>;
- fifo-size = <16>;
- reg-io-width = <1>;
- current-speed = <115200>;
- no-loopback-test;
- resets = <&reset 22>;
- pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_uart2>;
-};
--
2.34.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH v3 3/3] dt-bindings: gpio: gpio_oxnas: remove obsolete bindings
2023-08-14 8:16 [PATCH v3 0/3] pinctrl: oxnas support removal Neil Armstrong
2023-08-14 8:16 ` [PATCH v3 1/3] pinctrl: pinctrl-oxnas: remove obsolete pinctrl driver Neil Armstrong
2023-08-14 8:16 ` [PATCH v3 2/3] dt-bindings: pinctrl: oxnas,pinctrl: remove obsolete bindings Neil Armstrong
@ 2023-08-14 8:16 ` Neil Armstrong
2023-08-15 9:07 ` [PATCH v3 0/3] pinctrl: oxnas support removal Linus Walleij
3 siblings, 0 replies; 5+ messages in thread
From: Neil Armstrong @ 2023-08-14 8:16 UTC (permalink / raw)
To: Linus Walleij, Neil Armstrong, Rob Herring, Krzysztof Kozlowski,
Conor Dooley, Bartosz Golaszewski, Andy Shevchenko
Cc: linux-kernel, linux-gpio, linux-arm-kernel, linux-oxnas,
devicetree, Krzysztof Kozlowski, Arnd Bergmann, Daniel Golle,
Bartosz Golaszewski
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 the
OX810 and OX820 gpio bindings.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Daniel Golle <daniel@makrotopia.org>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
---
.../devicetree/bindings/gpio/gpio_oxnas.txt | 47 ----------------------
1 file changed, 47 deletions(-)
diff --git a/Documentation/devicetree/bindings/gpio/gpio_oxnas.txt b/Documentation/devicetree/bindings/gpio/gpio_oxnas.txt
deleted file mode 100644
index 966514744df4..000000000000
--- a/Documentation/devicetree/bindings/gpio/gpio_oxnas.txt
+++ /dev/null
@@ -1,47 +0,0 @@
-* Oxford Semiconductor OXNAS SoC GPIO Controller
-
-Please refer to gpio.txt for generic information regarding GPIO bindings.
-
-Required properties:
- - compatible: "oxsemi,ox810se-gpio" or "oxsemi,ox820-gpio"
- - reg: Base address and length for the device.
- - interrupts: The port interrupt shared by all pins.
- - gpio-controller: Marks the port as GPIO controller.
- - #gpio-cells: Two. The first cell is the pin number and
- the second cell is used to specify the gpio polarity as defined in
- defined in <dt-bindings/gpio/gpio.h>:
- 0 = GPIO_ACTIVE_HIGH
- 1 = GPIO_ACTIVE_LOW
- - interrupt-controller: Marks the device node as an interrupt controller.
- - #interrupt-cells: Two. The first cell is the GPIO number and second cell
- is used to specify the trigger type as defined in
- <dt-bindings/interrupt-controller/irq.h>:
- IRQ_TYPE_EDGE_RISING
- IRQ_TYPE_EDGE_FALLING
- IRQ_TYPE_EDGE_BOTH
- - gpio-ranges: Interaction with the PINCTRL subsystem, it also specifies the
- gpio base and count, should be in the format of numeric-gpio-range as
- specified in the gpio.txt file.
-
-Example:
-
-gpio0: gpio@0 {
- compatible = "oxsemi,ox810se-gpio";
- reg = <0x000000 0x100000>;
- interrupts = <21>;
- #gpio-cells = <2>;
- gpio-controller;
- interrupt-controller;
- #interrupt-cells = <2>;
- gpio-ranges = <&pinctrl 0 0 32>;
-};
-
-keys {
- ...
-
- button-esc {
- label = "ESC";
- linux,code = <1>;
- gpios = <&gpio0 12 0>;
- };
-};
--
2.34.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH v3 0/3] pinctrl: oxnas support removal
2023-08-14 8:16 [PATCH v3 0/3] pinctrl: oxnas support removal Neil Armstrong
` (2 preceding siblings ...)
2023-08-14 8:16 ` [PATCH v3 3/3] dt-bindings: gpio: gpio_oxnas: " Neil Armstrong
@ 2023-08-15 9:07 ` Linus Walleij
3 siblings, 0 replies; 5+ messages in thread
From: Linus Walleij @ 2023-08-15 9:07 UTC (permalink / raw)
To: Neil Armstrong
Cc: Rob Herring, Krzysztof Kozlowski, Conor Dooley,
Bartosz Golaszewski, Andy Shevchenko, linux-kernel, linux-gpio,
linux-arm-kernel, linux-oxnas, devicetree, Arnd Bergmann,
Daniel Golle, Krzysztof Kozlowski, Bartosz Golaszewski
On Mon, Aug 14, 2023 at 10:16 AM Neil Armstrong
<neil.armstrong@linaro.org> wrote:
> This patchset only removes pinctrl/gpio code, and is derived from:
> https://lore.kernel.org/r/20230630-topic-oxnas-upstream-remove-v2-0-fb6ab3dea87c@linaro.org
Patches applied, sayonara Oxnas.
Yours,
Linus Walleij
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2023-08-15 9:08 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
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2023-08-14 8:16 [PATCH v3 0/3] pinctrl: oxnas support removal Neil Armstrong
2023-08-14 8:16 ` [PATCH v3 1/3] pinctrl: pinctrl-oxnas: remove obsolete pinctrl driver Neil Armstrong
2023-08-14 8:16 ` [PATCH v3 2/3] dt-bindings: pinctrl: oxnas,pinctrl: remove obsolete bindings Neil Armstrong
2023-08-14 8:16 ` [PATCH v3 3/3] dt-bindings: gpio: gpio_oxnas: " Neil Armstrong
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