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-rw-r--r--Documentation/devicetree/bindings/arm/marvell/ap80x-system-controller.txt8
-rw-r--r--Documentation/devicetree/bindings/gpio/gpio-davinci.txt1
-rw-r--r--Documentation/devicetree/bindings/gpio/gpio-pca95xx.yaml3
-rw-r--r--Documentation/devicetree/bindings/gpio/renesas,rcar-gpio.yaml3
-rw-r--r--Documentation/devicetree/bindings/gpio/toshiba,gpio-visconti.yaml70
-rw-r--r--Documentation/devicetree/bindings/gpio/zx296702-gpio.txt24
-rw-r--r--Documentation/driver-api/gpio/consumer.rst5
-rw-r--r--Documentation/driver-api/gpio/intro.rst8
-rw-r--r--MAINTAINERS2
-rw-r--r--drivers/gpio/Kconfig30
-rw-r--r--drivers/gpio/Makefile3
-rw-r--r--drivers/gpio/gpio-aggregator.c40
-rw-r--r--drivers/gpio/gpio-bd70528.c59
-rw-r--r--drivers/gpio/gpio-bd71828.c39
-rw-r--r--drivers/gpio/gpio-ep93xx.c28
-rw-r--r--drivers/gpio/gpio-max77620.c2
-rw-r--r--drivers/gpio/gpio-merrifield.c5
-rw-r--r--drivers/gpio/gpio-mvebu.c148
-rw-r--r--drivers/gpio/gpio-pca953x.c2
-rw-r--r--drivers/gpio/gpio-pcf857x.c2
-rw-r--r--drivers/gpio/gpio-rcar.c85
-rw-r--r--drivers/gpio/gpio-sl28cpld.c4
-rw-r--r--drivers/gpio/gpio-tegra.c263
-rw-r--r--drivers/gpio/gpio-tegra186.c2
-rw-r--r--drivers/gpio/gpio-visconti.c218
-rw-r--r--drivers/gpio/gpio-vx855.c2
-rw-r--r--drivers/gpio/gpio-wcove.c65
-rw-r--r--drivers/gpio/gpio-xilinx.c369
-rw-r--r--drivers/gpio/gpio-zx.c289
-rw-r--r--drivers/pinctrl/visconti/pinctrl-common.c23
-rw-r--r--include/linux/gpio/machine.h4
-rw-r--r--include/uapi/linux/gpio.h4
-rw-r--r--lib/cmdline.c21
-rw-r--r--lib/cmdline_kunit.c56
-rw-r--r--tools/gpio/gpio-utils.c89
-rw-r--r--tools/gpio/gpio-utils.h6
-rw-r--r--tools/testing/selftests/Makefile9
-rw-r--r--tools/testing/selftests/gpio/Makefile26
-rw-r--r--tools/testing/selftests/gpio/config1
-rw-r--r--tools/testing/selftests/gpio/gpio-mockup-cdev.c198
-rw-r--r--tools/testing/selftests/gpio/gpio-mockup-chardev.c323
-rwxr-xr-xtools/testing/selftests/gpio/gpio-mockup-sysfs.sh168
-rwxr-xr-xtools/testing/selftests/gpio/gpio-mockup.sh497
-rwxr-xr-xtools/testing/selftests/kselftest_deps.sh4
44 files changed, 1811 insertions, 1397 deletions
diff --git a/Documentation/devicetree/bindings/arm/marvell/ap80x-system-controller.txt b/Documentation/devicetree/bindings/arm/marvell/ap80x-system-controller.txt
index e31511255d8e..052a967c1f28 100644
--- a/Documentation/devicetree/bindings/arm/marvell/ap80x-system-controller.txt
+++ b/Documentation/devicetree/bindings/arm/marvell/ap80x-system-controller.txt
@@ -80,6 +80,11 @@ Required properties:
- offset: offset address inside the syscon block
+Optional properties:
+
+- marvell,pwm-offset: offset address of PWM duration control registers inside
+ the syscon block
+
Example:
ap_syscon: system-controller@6f4000 {
compatible = "syscon", "simple-mfd";
@@ -101,6 +106,9 @@ ap_syscon: system-controller@6f4000 {
gpio-controller;
#gpio-cells = <2>;
gpio-ranges = <&ap_pinctrl 0 0 19>;
+ marvell,pwm-offset = <0x10c0>;
+ #pwm-cells = <2>;
+ clocks = <&ap_clk 3>;
};
};
diff --git a/Documentation/devicetree/bindings/gpio/gpio-davinci.txt b/Documentation/devicetree/bindings/gpio/gpio-davinci.txt
index cd91d61eac31..696ea46227d1 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-davinci.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio-davinci.txt
@@ -7,6 +7,7 @@ Required Properties:
"ti,k2g-gpio", "ti,keystone-gpio": for 66AK2G
"ti,am654-gpio", "ti,keystone-gpio": for TI K3 AM654
"ti,j721e-gpio", "ti,keystone-gpio": for J721E SoCs
+ "ti,am64-gpio", "ti,keystone-gpio": for AM64 SoCs
- reg: Physical base address of the controller and the size of memory mapped
registers.
diff --git a/Documentation/devicetree/bindings/gpio/gpio-pca95xx.yaml b/Documentation/devicetree/bindings/gpio/gpio-pca95xx.yaml
index f5ee23c2df60..246bae53be8b 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-pca95xx.yaml
+++ b/Documentation/devicetree/bindings/gpio/gpio-pca95xx.yaml
@@ -32,6 +32,7 @@ properties:
- maxim,max7327
- nxp,pca6416
- nxp,pca9505
+ - nxp,pca9506
- nxp,pca9534
- nxp,pca9535
- nxp,pca9536
@@ -70,7 +71,7 @@ properties:
gpio-line-names:
minItems: 1
- maxItems: 32
+ maxItems: 40
interrupts:
maxItems: 1
diff --git a/Documentation/devicetree/bindings/gpio/renesas,rcar-gpio.yaml b/Documentation/devicetree/bindings/gpio/renesas,rcar-gpio.yaml
index 5026662e4508..f2541739ee3b 100644
--- a/Documentation/devicetree/bindings/gpio/renesas,rcar-gpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/renesas,rcar-gpio.yaml
@@ -48,6 +48,9 @@ properties:
- renesas,gpio-r8a77995 # R-Car D3
- const: renesas,rcar-gen3-gpio # R-Car Gen3 or RZ/G2
+ - items:
+ - const: renesas,gpio-r8a779a0 # R-Car V3U
+
reg:
maxItems: 1
diff --git a/Documentation/devicetree/bindings/gpio/toshiba,gpio-visconti.yaml b/Documentation/devicetree/bindings/gpio/toshiba,gpio-visconti.yaml
new file mode 100644
index 000000000000..9ad470e01953
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/toshiba,gpio-visconti.yaml
@@ -0,0 +1,70 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/toshiba,gpio-visconti.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Toshiba Visconti ARM SoCs GPIO controller
+
+maintainers:
+ - Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
+
+properties:
+ compatible:
+ items:
+ - const: toshiba,gpio-tmpv7708
+
+ reg:
+ maxItems: 1
+
+ "#gpio-cells":
+ const: 2
+
+ gpio-ranges: true
+
+ gpio-controller: true
+
+ interrupt-controller: true
+
+ "#interrupt-cells":
+ const: 2
+
+ interrupts:
+ description:
+ interrupt mapping one per GPIO.
+ minItems: 16
+ maxItems: 16
+
+required:
+ - compatible
+ - reg
+ - "#gpio-cells"
+ - gpio-ranges
+ - gpio-controller
+ - interrupt-controller
+ - "#interrupt-cells"
+ - interrupt-parent
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ gpio: gpio@28020000 {
+ compatible = "toshiba,gpio-tmpv7708";
+ reg = <0 0x28020000 0 0x1000>;
+ #gpio-cells = <0x2>;
+ gpio-ranges = <&pmux 0 0 32>;
+ gpio-controller;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&gic>;
+ };
+ };
+...
diff --git a/Documentation/devicetree/bindings/gpio/zx296702-gpio.txt b/Documentation/devicetree/bindings/gpio/zx296702-gpio.txt
deleted file mode 100644
index 0dab156fcf41..000000000000
--- a/Documentation/devicetree/bindings/gpio/zx296702-gpio.txt
+++ /dev/null
@@ -1,24 +0,0 @@
-ZTE ZX296702 GPIO controller
-
-Required properties:
-- compatible : "zte,zx296702-gpio"
-- #gpio-cells : Should be two. The first cell is the pin number and the
- second cell is used to specify optional parameters:
- - bit 0 specifies polarity (0 for normal, 1 for inverted)
-- gpio-controller : Marks the device node as a GPIO controller.
-- interrupts : Interrupt mapping for GPIO IRQ.
-- gpio-ranges : Interaction with the PINCTRL subsystem.
-
-gpio1: gpio@b008040 {
- compatible = "zte,zx296702-gpio";
- reg = <0xb008040 0x40>;
- gpio-controller;
- #gpio-cells = <2>;
- gpio-ranges = < &pmx0 0 54 2 &pmx0 2 59 14>;
- interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-parent = <&intc>;
- interrupt-controller;
- #interrupt-cells = <2>;
- clock-names = "gpio_pclk";
- clocks = <&lsp0clk ZX296702_GPIO_CLK>;
-};
diff --git a/Documentation/driver-api/gpio/consumer.rst b/Documentation/driver-api/gpio/consumer.rst
index 173e4c7b037d..22271c342d92 100644
--- a/Documentation/driver-api/gpio/consumer.rst
+++ b/Documentation/driver-api/gpio/consumer.rst
@@ -361,12 +361,13 @@ corresponding chip driver. In that case a significantly improved performance
can be expected. If simultaneous access is not possible the GPIOs will be
accessed sequentially.
-The functions take three arguments:
+The functions take four arguments:
+
* array_size - the number of array elements
* desc_array - an array of GPIO descriptors
* array_info - optional information obtained from gpiod_get_array()
* value_bitmap - a bitmap to store the GPIOs' values (get) or
- a bitmap of values to assign to the GPIOs (set)
+ a bitmap of values to assign to the GPIOs (set)
The descriptor array can be obtained using the gpiod_get_array() function
or one of its variants. If the group of descriptors returned by that function
diff --git a/Documentation/driver-api/gpio/intro.rst b/Documentation/driver-api/gpio/intro.rst
index 74591489d0b5..94dd7185e76e 100644
--- a/Documentation/driver-api/gpio/intro.rst
+++ b/Documentation/driver-api/gpio/intro.rst
@@ -106,11 +106,11 @@ don't. When you need open drain signaling but your hardware doesn't directly
support it, there's a common idiom you can use to emulate it with any GPIO pin
that can be used as either an input or an output:
- LOW: gpiod_direction_output(gpio, 0) ... this drives the signal and overrides
- the pullup.
+ **LOW**: ``gpiod_direction_output(gpio, 0)`` ... this drives the signal and
+ overrides the pullup.
- HIGH: gpiod_direction_input(gpio) ... this turns off the output, so the pullup
- (or some other device) controls the signal.
+ **HIGH**: ``gpiod_direction_input(gpio)`` ... this turns off the output, so
+ the pullup (or some other device) controls the signal.
The same logic can be applied to emulate open source signaling, by driving the
high signal and configuring the GPIO as input for low. This open drain/open
diff --git a/MAINTAINERS b/MAINTAINERS
index acd1867a9a97..7ab5f04d4e5b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2609,10 +2609,12 @@ S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/iwamatsu/linux-visconti.git
F: Documentation/devicetree/bindings/arm/toshiba.yaml
F: Documentation/devicetree/bindings/net/toshiba,visconti-dwmac.yaml
+F: Documentation/devicetree/bindings/gpio/toshiba,gpio-visconti.yaml
F: Documentation/devicetree/bindings/pinctrl/toshiba,tmpv7700-pinctrl.yaml
F: Documentation/devicetree/bindings/watchdog/toshiba,visconti-wdt.yaml
F: arch/arm64/boot/dts/toshiba/
F: drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c
+F: drivers/gpio/gpio-visconti.c
F: drivers/pinctrl/visconti/
F: drivers/watchdog/visconti_wdt.c
N: visconti
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index f62f0b6b0bc0..e3607ec4c2e8 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -487,11 +487,11 @@ config GPIO_PXA
Say yes here to support the PXA GPIO device
config GPIO_RCAR
- tristate "Renesas R-Car GPIO"
+ tristate "Renesas R-Car and RZ/G GPIO support"
depends on ARCH_RENESAS || COMPILE_TEST
select GPIOLIB_IRQCHIP
help
- Say yes here to support GPIO on Renesas R-Car SoCs.
+ Say yes here to support GPIO on Renesas R-Car or RZ/G SoCs.
config GPIO_RDA
bool "RDA Micro GPIO controller support"
@@ -595,7 +595,7 @@ config GPIO_TB10X
select OF_GPIO
config GPIO_TEGRA
- bool "NVIDIA Tegra GPIO support"
+ tristate "NVIDIA Tegra GPIO support"
default ARCH_TEGRA
depends on ARCH_TEGRA || COMPILE_TEST
depends on OF_GPIO
@@ -648,6 +648,16 @@ config GPIO_VF610
help
Say yes here to support Vybrid vf610 GPIOs.
+config GPIO_VISCONTI
+ tristate "Toshiba Visconti GPIO support"
+ depends on ARCH_VISCONTI || COMPILE_TEST
+ depends on OF_GPIO
+ select GPIOLIB_IRQCHIP
+ select GPIO_GENERIC
+ select IRQ_DOMAIN_HIERARCHY
+ help
+ Say yes here to support GPIO on Tohisba Visconti.
+
config GPIO_VR41XX
tristate "NEC VR4100 series General-purpose I/O Uint support"
depends on CPU_VR41XX
@@ -670,7 +680,7 @@ config GPIO_WCD934X
tristate "Qualcomm Technologies Inc WCD9340/WCD9341 gpio controller driver"
depends on MFD_WCD934X && OF_GPIO
help
- This driver is to supprot GPIO block found on the Qualcomm Technologies
+ This driver is to support GPIO block found on the Qualcomm Technologies
Inc WCD9340/WCD9341 Audio Codec.
config GPIO_XGENE
@@ -694,6 +704,8 @@ config GPIO_XGENE_SB
config GPIO_XILINX
tristate "Xilinx GPIO support"
+ select GPIOLIB_IRQCHIP
+ depends on OF_GPIO
help
Say yes here to support the Xilinx FPGA GPIO device
@@ -731,13 +743,6 @@ config GPIO_ZYNQ
help
Say yes here to support Xilinx Zynq GPIO controller.
-config GPIO_ZX
- bool "ZTE ZX GPIO support"
- depends on ARCH_ZX || COMPILE_TEST
- select GPIOLIB_IRQCHIP
- help
- Say yes here to support the GPIO device on ZTE ZX SoCs.
-
config GPIO_LOONGSON1
tristate "Loongson1 GPIO support"
depends on MACH_LOONGSON32
@@ -1623,8 +1628,7 @@ config GPIO_MOCKUP
select IRQ_SIM
help
This enables GPIO Testing driver, which provides a way to test GPIO
- subsystem through sysfs(or char device) and debugfs. GPIO_SYSFS
- must be selected for this test.
+ subsystem through sysfs (or char device) and debugfs.
User could use it through the script in
tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in
it.
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index a2106d667fb3..c58a90a3c3b1 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -102,7 +102,6 @@ obj-$(CONFIG_GPIO_MOXTET) += gpio-moxtet.o
obj-$(CONFIG_GPIO_MPC5200) += gpio-mpc5200.o
obj-$(CONFIG_GPIO_MPC8XXX) += gpio-mpc8xxx.o
obj-$(CONFIG_GPIO_MSC313) += gpio-msc313.o
-obj-$(CONFIG_GPIO_MSIC) += gpio-msic.o
obj-$(CONFIG_GPIO_MT7621) += gpio-mt7621.o
obj-$(CONFIG_GPIO_MVEBU) += gpio-mvebu.o
obj-$(CONFIG_GPIO_MXC) += gpio-mxc.o
@@ -163,6 +162,7 @@ obj-$(CONFIG_GPIO_UCB1400) += gpio-ucb1400.o
obj-$(CONFIG_GPIO_UNIPHIER) += gpio-uniphier.o
obj-$(CONFIG_GPIO_VF610) += gpio-vf610.o
obj-$(CONFIG_GPIO_VIPERBOARD) += gpio-viperboard.o
+obj-$(CONFIG_GPIO_VISCONTI) += gpio-visconti.o
obj-$(CONFIG_GPIO_VR41XX) += gpio-vr41xx.o
obj-$(CONFIG_GPIO_VX855) += gpio-vx855.o
obj-$(CONFIG_GPIO_WCD934X) += gpio-wcd934x.o
@@ -179,5 +179,4 @@ obj-$(CONFIG_GPIO_XLP) += gpio-xlp.o
obj-$(CONFIG_GPIO_XRA1403) += gpio-xra1403.o
obj-$(CONFIG_GPIO_XTENSA) += gpio-xtensa.o
obj-$(CONFIG_GPIO_ZEVIO) += gpio-zevio.o
-obj-$(CONFIG_GPIO_ZX) += gpio-zx.o
obj-$(CONFIG_GPIO_ZYNQ) += gpio-zynq.o
diff --git a/drivers/gpio/gpio-aggregator.c b/drivers/gpio/gpio-aggregator.c
index dfd8a4876a27..08171431bb8f 100644
--- a/drivers/gpio/gpio-aggregator.c
+++ b/drivers/gpio/gpio-aggregator.c
@@ -62,34 +62,6 @@ static char *get_arg(char **args)
return start;
}
-static bool isrange(const char *s)
-{
- size_t n;
-
- if (IS_ERR_OR_NULL(s))
- return false;
-
- while (1) {
- n = strspn(s, "0123456789");
- if (!n)
- return false;
-
- s += n;
-
- switch (*s++) {
- case '\0':
- return true;
-
- case '-':
- case ',':
- break;
-
- default:
- return false;
- }
- }
-}
-
static int aggr_add_gpio(struct gpio_aggregator *aggr, const char *key,
int hwnum, unsigned int *n)
{
@@ -100,8 +72,7 @@ static int aggr_add_gpio(struct gpio_aggregator *aggr, const char *key,
if (!lookups)
return -ENOMEM;
- lookups->table[*n] =
- (struct gpiod_lookup)GPIO_LOOKUP_IDX(key, hwnum, NULL, *n, 0);
+ lookups->table[*n] = GPIO_LOOKUP_IDX(key, hwnum, NULL, *n, 0);
(*n)++;
memset(&lookups->table[*n], 0, sizeof(lookups->table[*n]));
@@ -112,10 +83,10 @@ static int aggr_add_gpio(struct gpio_aggregator *aggr, const char *key,
static int aggr_parse(struct gpio_aggregator *aggr)
{
+ char *name, *offsets, *p;
char *args = aggr->args;
unsigned long *bitmap;
unsigned int i, n = 0;
- char *name, *offsets;
int error = 0;
bitmap = bitmap_alloc(ARCH_NR_GPIOS, GFP_KERNEL);
@@ -130,7 +101,8 @@ static int aggr_parse(struct gpio_aggregator *aggr)
goto free_bitmap;
}
- if (!isrange(offsets)) {
+ p = get_options(offsets, 0, &error);
+ if (error == 0 || *p) {
/* Named GPIO line */
error = aggr_add_gpio(aggr, name, U16_MAX, &n);
if (error)
@@ -271,7 +243,7 @@ static DRIVER_ATTR_WO(delete_device);
static struct attribute *gpio_aggregator_attrs[] = {
&driver_attr_new_device.attr,
&driver_attr_delete_device.attr,
- NULL,
+ NULL
};
ATTRIBUTE_GROUPS(gpio_aggregator);
@@ -545,7 +517,7 @@ static const struct of_device_id gpio_aggregator_dt_ids[] = {
* Add GPIO-operated devices controlled from userspace below,
* or use "driver_override" in sysfs
*/
- {},
+ {}
};
MODULE_DEVICE_TABLE(of, gpio_aggregator_dt_ids);
#endif
diff --git a/drivers/gpio/gpio-bd70528.c b/drivers/gpio/gpio-bd70528.c
index 45b3da8da336..397a50d6bc65 100644
--- a/drivers/gpio/gpio-bd70528.c
+++ b/drivers/gpio/gpio-bd70528.c
@@ -12,7 +12,8 @@
#define GPIO_OUT_REG(offset) (BD70528_REG_GPIO1_OUT + (offset) * 2)
struct bd70528_gpio {
- struct rohm_regmap_dev chip;
+ struct regmap *regmap;
+ struct device *dev;
struct gpio_chip gpio;
};
@@ -35,11 +36,11 @@ static int bd70528_set_debounce(struct bd70528_gpio *bdgpio,
val = BD70528_DEBOUNCE_50MS;
break;
default:
- dev_err(bdgpio->chip.dev,
+ dev_err(bdgpio->dev,
"Invalid debounce value %u\n", debounce);
return -EINVAL;
}
- return regmap_update_bits(bdgpio->chip.regmap, GPIO_IN_REG(offset),
+ return regmap_update_bits(bdgpio->regmap, GPIO_IN_REG(offset),
BD70528_DEBOUNCE_MASK, val);
}
@@ -49,9 +50,9 @@ static int bd70528_get_direction(struct gpio_chip *chip, unsigned int offset)
int val, ret;
/* Do we need to do something to IRQs here? */
- ret = regmap_read(bdgpio->chip.regmap, GPIO_OUT_REG(offset), &val);
+ ret = regmap_read(bdgpio->regmap, GPIO_OUT_REG(offset), &val);
if (ret) {
- dev_err(bdgpio->chip.dev, "Could not read gpio direction\n");
+ dev_err(bdgpio->dev, "Could not read gpio direction\n");
return ret;
}
if (val & BD70528_GPIO_OUT_EN_MASK)
@@ -67,13 +68,13 @@ static int bd70528_gpio_set_config(struct gpio_chip *chip, unsigned int offset,
switch (pinconf_to_config_param(config)) {
case PIN_CONFIG_DRIVE_OPEN_DRAIN:
- return regmap_update_bits(bdgpio->chip.regmap,
+ return regmap_update_bits(bdgpio->regmap,
GPIO_OUT_REG(offset),
BD70528_GPIO_DRIVE_MASK,
BD70528_GPIO_OPEN_DRAIN);
break;
case PIN_CONFIG_DRIVE_PUSH_PULL:
- return regmap_update_bits(bdgpio->chip.regmap,
+ return regmap_update_bits(bdgpio->regmap,
GPIO_OUT_REG(offset),
BD70528_GPIO_DRIVE_MASK,
BD70528_GPIO_PUSH_PULL);
@@ -93,7 +94,7 @@ static int bd70528_direction_input(struct gpio_chip *chip, unsigned int offset)
struct bd70528_gpio *bdgpio = gpiochip_get_data(chip);
/* Do we need to do something to IRQs here? */
- return regmap_update_bits(bdgpio->chip.regmap, GPIO_OUT_REG(offset),
+ return regmap_update_bits(bdgpio->regmap, GPIO_OUT_REG(offset),
BD70528_GPIO_OUT_EN_MASK,
BD70528_GPIO_OUT_DISABLE);
}
@@ -105,10 +106,10 @@ static void bd70528_gpio_set(struct gpio_chip *chip, unsigned int offset,
struct bd70528_gpio *bdgpio = gpiochip_get_data(chip);
u8 val = (value) ? BD70528_GPIO_OUT_HI : BD70528_GPIO_OUT_LO;
- ret = regmap_update_bits(bdgpio->chip.regmap, GPIO_OUT_REG(offset),
+ ret = regmap_update_bits(bdgpio->regmap, GPIO_OUT_REG(offset),
BD70528_GPIO_OUT_MASK, val);
if (ret)
- dev_err(bdgpio->chip.dev, "Could not set gpio to %d\n", value);
+ dev_err(bdgpio->dev, "Could not set gpio to %d\n", value);
}
static int bd70528_direction_output(struct gpio_chip *chip, unsigned int offset,
@@ -117,7 +118,7 @@ static int bd70528_direction_output(struct gpio_chip *chip, unsigned int offset,
struct bd70528_gpio *bdgpio = gpiochip_get_data(chip);
bd70528_gpio_set(chip, offset, value);
- return regmap_update_bits(bdgpio->chip.regmap, GPIO_OUT_REG(offset),
+ return regmap_update_bits(bdgpio->regmap, GPIO_OUT_REG(offset),
BD70528_GPIO_OUT_EN_MASK,
BD70528_GPIO_OUT_ENABLE);
}
@@ -129,11 +130,11 @@ static int bd70528_gpio_get_o(struct bd70528_gpio *bdgpio, unsigned int offset)
int ret;
unsigned int val;
- ret = regmap_read(bdgpio->chip.regmap, GPIO_OUT_REG(offset), &val);
+ ret = regmap_read(bdgpio->regmap, GPIO_OUT_REG(offset), &val);
if (!ret)
ret = !!(val & BD70528_GPIO_OUT_MASK);
else
- dev_err(bdgpio->chip.dev, "GPIO (out) state read failed\n");
+ dev_err(bdgpio->dev, "GPIO (out) state read failed\n");
return ret;
}
@@ -143,12 +144,12 @@ static int bd70528_gpio_get_i(struct bd70528_gpio *bdgpio, unsigned int offset)
unsigned int val;
int ret;
- ret = regmap_read(bdgpio->chip.regmap, BD70528_REG_GPIO_STATE, &val);
+ ret = regmap_read(bdgpio->regmap, BD70528_REG_GPIO_STATE, &val);
if (!ret)
ret = !(val & GPIO_IN_STATE_MASK(offset));
else
- dev_err(bdgpio->chip.dev, "GPIO (in) state read failed\n");
+ dev_err(bdgpio->dev, "GPIO (in) state read failed\n");
return ret;
}
@@ -173,29 +174,22 @@ static int bd70528_gpio_get(struct gpio_chip *chip, unsigned int offset)
else if (ret == GPIO_LINE_DIRECTION_IN)
ret = bd70528_gpio_get_i(bdgpio, offset);
else
- dev_err(bdgpio->chip.dev, "failed to read GPIO direction\n");
+ dev_err(bdgpio->dev, "failed to read GPIO direction\n");
return ret;
}
static int bd70528_probe(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
struct bd70528_gpio *bdgpio;
- struct rohm_regmap_dev *bd70528;
int ret;
- bd70528 = dev_get_drvdata(pdev->dev.parent);
- if (!bd70528) {
- dev_err(&pdev->dev, "No MFD driver data\n");
- return -EINVAL;
- }
-
- bdgpio = devm_kzalloc(&pdev->dev, sizeof(*bdgpio),
- GFP_KERNEL);
+ bdgpio = devm_kzalloc(dev, sizeof(*bdgpio), GFP_KERNEL);
if (!bdgpio)
return -ENOMEM;
- bdgpio->chip.dev = &pdev->dev;
- bdgpio->gpio.parent = pdev->dev.parent;
+ bdgpio->dev = dev;
+ bdgpio->gpio.parent = dev->parent;
bdgpio->gpio.label = "bd70528-gpio";
bdgpio->gpio.owner = THIS_MODULE;
bdgpio->gpio.get_direction = bd70528_get_direction;
@@ -208,14 +202,15 @@ static int bd70528_probe(struct platform_device *pdev)
bdgpio->gpio.ngpio = 4;
bdgpio->gpio.base = -1;
#ifdef CONFIG_OF_GPIO
- bdgpio->gpio.of_node = pdev->dev.parent->of_node;
+ bdgpio->gpio.of_node = dev->parent->of_node;
#endif
- bdgpio->chip.regmap = bd70528->regmap;
+ bdgpio->regmap = dev_get_regmap(dev->parent, NULL);
+ if (!bdgpio->regmap)
+ return -ENODEV;
- ret = devm_gpiochip_add_data(&pdev->dev, &bdgpio->gpio,
- bdgpio);
+ ret = devm_gpiochip_add_data(dev, &bdgpio->gpio, bdgpio);
if (ret)
- dev_err(&pdev->dev, "gpio_init: Failed to add bd70528-gpio\n");
+ dev_err(dev, "gpio_init: Failed to add bd70528-gpio\n");
return ret;
}
diff --git a/drivers/gpio/gpio-bd71828.c b/drivers/gpio/gpio-bd71828.c
index 3dbbc638e9a9..c8e382b53f2f 100644
--- a/drivers/gpio/gpio-bd71828.c
+++ b/drivers/gpio/gpio-bd71828.c
@@ -11,7 +11,8 @@
#define HALL_GPIO_OFFSET 3
struct bd71828_gpio {
- struct rohm_regmap_dev chip;
+ struct regmap *regmap;
+ struct device *dev;
struct gpio_chip gpio;
};
@@ -29,10 +30,10 @@ static void bd71828_gpio_set(struct gpio_chip *chip, unsigned int offset,
if (offset == HALL_GPIO_OFFSET)
return;
- ret = regmap_update_bits(bdgpio->chip.regmap, GPIO_OUT_REG(offset),
+ ret = regmap_update_bits(bdgpio->regmap, GPIO_OUT_REG(offset),
BD71828_GPIO_OUT_MASK, val);
if (ret)
- dev_err(bdgpio->chip.dev, "Could not set gpio to %d\n", value);
+ dev_err(bdgpio->dev, "Could not set gpio to %d\n", value);
}
static int bd71828_gpio_get(struct gpio_chip *chip, unsigned int offset)
@@ -42,10 +43,10 @@ static int bd71828_gpio_get(struct gpio_chip *chip, unsigned int offset)
struct bd71828_gpio *bdgpio = gpiochip_get_data(chip);
if (offset == HALL_GPIO_OFFSET)
- ret = regmap_read(bdgpio->chip.regmap, BD71828_REG_IO_STAT,
+ ret = regmap_read(bdgpio->regmap, BD71828_REG_IO_STAT,
&val);
else
- ret = regmap_read(bdgpio->chip.regmap, GPIO_OUT_REG(offset),
+ ret = regmap_read(bdgpio->regmap, GPIO_OUT_REG(offset),
&val);
if (!ret)
ret = (val & BD71828_GPIO_OUT_MASK);
@@ -63,12 +64,12 @@ static int bd71828_gpio_set_config(struct gpio_chip *chip, unsigned int offset,
switch (pinconf_to_config_param(config)) {
case PIN_CONFIG_DRIVE_OPEN_DRAIN:
- return regmap_update_bits(bdgpio->chip.regmap,
+ return regmap_update_bits(bdgpio->regmap,
GPIO_OUT_REG(offset),
BD71828_GPIO_DRIVE_MASK,
BD71828_GPIO_OPEN_DRAIN);
case PIN_CONFIG_DRIVE_PUSH_PULL:
- return regmap_update_bits(bdgpio->chip.regmap,
+ return regmap_update_bits(bdgpio->regmap,
GPIO_OUT_REG(offset),
BD71828_GPIO_DRIVE_MASK,
BD71828_GPIO_PUSH_PULL);
@@ -96,22 +97,15 @@ static int bd71828_get_direction(struct gpio_chip *chip, unsigned int offset)
static int bd71828_probe(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
struct bd71828_gpio *bdgpio;
- struct rohm_regmap_dev *bd71828;
- bd71828 = dev_get_drvdata(pdev->dev.parent);
- if (!bd71828) {
- dev_err(&pdev->dev, "No MFD driver data\n");
- return -EINVAL;
- }
-