* [PATCH 0/4] MIPS: XBurst: add gpio support
@ 2014-06-26 22:49 Antony Pavlov
2014-06-26 22:49 ` [PATCH 1/4] gpio: add jz4740-gpio driver for Ingenic MIPS SoCs Antony Pavlov
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: Antony Pavlov @ 2014-06-26 22:49 UTC (permalink / raw)
To: barebox
Antony Pavlov (4):
gpio: add jz4740-gpio driver for Ingenic MIPS SoCs
MIPS: XBurst: use gpiolib
MIPS: dts: jz4755.dtsi: add gpio
MIPS: ritmix-rzx50_defconfig: enable gpio stuff
arch/mips/Kconfig | 1 +
arch/mips/configs/ritmix-rzx50_defconfig | 28 ++++---
arch/mips/dts/jz4755.dtsi | 42 ++++++++++
drivers/gpio/Kconfig | 6 ++
drivers/gpio/Makefile | 1 +
drivers/gpio/gpio-jz4740.c | 140 +++++++++++++++++++++++++++++++
6 files changed, 205 insertions(+), 13 deletions(-)
create mode 100644 drivers/gpio/gpio-jz4740.c
--
1.9.2
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* [PATCH 1/4] gpio: add jz4740-gpio driver for Ingenic MIPS SoCs
2014-06-26 22:49 [PATCH 0/4] MIPS: XBurst: add gpio support Antony Pavlov
@ 2014-06-26 22:49 ` Antony Pavlov
2014-06-26 22:49 ` [PATCH 2/4] MIPS: XBurst: use gpiolib Antony Pavlov
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Antony Pavlov @ 2014-06-26 22:49 UTC (permalink / raw)
To: barebox
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
drivers/gpio/Kconfig | 6 ++
drivers/gpio/Makefile | 1 +
drivers/gpio/gpio-jz4740.c | 140 +++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 147 insertions(+)
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 45b8c53..f98a9c0 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -37,6 +37,12 @@ config GPIO_GENERIC_PLATFORM
config GPIO_IMX
def_bool ARCH_IMX
+config GPIO_JZ4740
+ bool "GPIO support for Ingenic SoCs"
+ depends on MACH_MIPS_XBURST
+ help
+ Say yes here to enable the GPIO driver for the Ingenic SoCs.
+
config GPIO_MALTA_FPGA_I2C
bool "Malta CBUS FPGA I2C GPIO"
depends on MACH_MIPS_MALTA
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index add6ffc..22d2ac0 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -5,6 +5,7 @@ obj-$(CONFIG_GPIO_DAVINCI) += gpio-davinci.o
obj-$(CONFIG_GPIO_CLPS711X) += gpio-clps711x.o
obj-$(CONFIG_GPIO_GENERIC) += gpio-generic.o
obj-$(CONFIG_GPIO_IMX) += gpio-imx.o
+obj-$(CONFIG_GPIO_JZ4740) += gpio-jz4740.o
obj-$(CONFIG_GPIO_MALTA_FPGA_I2C) += gpio-malta-fpga-i2c.o
obj-$(CONFIG_GPIO_ORION) += gpio-orion.o
obj-$(CONFIG_GPIO_OMAP) += gpio-omap.o
diff --git a/drivers/gpio/gpio-jz4740.c b/drivers/gpio/gpio-jz4740.c
new file mode 100644
index 0000000..3c8efad
--- /dev/null
+++ b/drivers/gpio/gpio-jz4740.c
@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) 2013, 2014 Antony Pavlov <antonynpavlov@gmail.com>
+ *
+ * Based on Linux JZ4740 platform GPIO support:
+ * Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <common.h>
+#include <init.h>
+#include <io.h>
+#include <gpio.h>
+#include <malloc.h>
+
+#define JZ_REG_GPIO_PIN 0x00
+#define JZ_REG_GPIO_DATA 0x10
+#define JZ_REG_GPIO_DATA_SET 0x14
+#define JZ_REG_GPIO_DATA_CLEAR 0x18
+#define JZ_REG_GPIO_DIRECTION 0x60
+#define JZ_REG_GPIO_DIRECTION_SET 0x64
+#define JZ_REG_GPIO_DIRECTION_CLEAR 0x68
+
+#define GPIO_TO_BIT(gpio) BIT(gpio & 0x1f)
+#define CHIP_TO_REG(chip, reg) (gpio_chip_to_jz4740_gpio_chip(chip)->base + (reg))
+
+struct jz4740_gpio_chip {
+ void __iomem *base;
+ struct gpio_chip chip;
+};
+
+static inline struct jz4740_gpio_chip *gpio_chip_to_jz4740_gpio_chip(struct gpio_chip *chip)
+{
+ return container_of(chip, struct jz4740_gpio_chip, chip);
+}
+
+static int jz4740_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
+{
+ return !!(readl(CHIP_TO_REG(chip, JZ_REG_GPIO_PIN)) & BIT(gpio));
+}
+
+static void jz4740_gpio_set_value(struct gpio_chip *chip, unsigned gpio, int value)
+{
+ uint32_t __iomem *reg = CHIP_TO_REG(chip, JZ_REG_GPIO_DATA_SET);
+ reg += !value;
+ writel(BIT(gpio), reg);
+}
+
+static int jz4740_gpio_get_direction(struct gpio_chip *chip, unsigned gpio)
+{
+ if (readl(CHIP_TO_REG(chip, JZ_REG_GPIO_DIRECTION)) & BIT(gpio))
+ return GPIOF_DIR_OUT;
+
+ return GPIOF_DIR_IN;
+}
+
+static int jz4740_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
+{
+ writel(BIT(gpio), CHIP_TO_REG(chip, JZ_REG_GPIO_DIRECTION_CLEAR));
+
+ return 0;
+}
+
+static int jz4740_gpio_direction_output(struct gpio_chip *chip, unsigned gpio,
+ int value)
+{
+ jz4740_gpio_set_value(chip, gpio, value);
+ writel(BIT(gpio), CHIP_TO_REG(chip, JZ_REG_GPIO_DIRECTION_SET));
+
+ return 0;
+}
+
+static struct gpio_ops jz4740_gpio_ops = {
+ .direction_input = jz4740_gpio_direction_input,
+ .direction_output = jz4740_gpio_direction_output,
+ .get_direction = jz4740_gpio_get_direction,
+ .get = jz4740_gpio_get_value,
+ .set = jz4740_gpio_set_value,
+};
+
+static int jz4740_gpio_probe(struct device_d *dev)
+{
+ void __iomem *base;
+ struct jz4740_gpio_chip *jz4740_gpio;
+ int ret;
+
+ base = dev_request_mem_region(dev, 0);
+ if (!base) {
+ dev_err(dev, "could not get memory region\n");
+ return -ENODEV;
+ }
+
+ jz4740_gpio = xzalloc(sizeof(*jz4740_gpio));
+ jz4740_gpio->base = base;
+ jz4740_gpio->chip.ops = &jz4740_gpio_ops;
+ jz4740_gpio->chip.base = -1; /* dev->id * 32; */
+ jz4740_gpio->chip.ngpio = 32;
+ jz4740_gpio->chip.dev = dev;
+
+ ret = gpiochip_add(&jz4740_gpio->chip);
+ if (ret) {
+ dev_err(dev, "couldn't add gpiochip\n");
+ free(jz4740_gpio);
+ return ret;
+ }
+
+ dev_dbg(dev, "probed gpiochip%d with base %d\n",
+ dev->id, jz4740_gpio->chip.base);
+
+ return 0;
+}
+
+static __maybe_unused struct of_device_id jz4740_gpio_dt_ids[] = {
+ {
+ .compatible = "ingenic,jz4740-gpio",
+ }, {
+ /* sentinel */
+ },
+};
+
+static struct driver_d jz4740_gpio_driver = {
+ .name = "jz4740-gpio",
+ .probe = jz4740_gpio_probe,
+ .of_compatible = DRV_OF_COMPAT(jz4740_gpio_dt_ids),
+};
+
+static int jz4740_gpio_init(void)
+{
+ return platform_driver_register(&jz4740_gpio_driver);
+}
+coredevice_initcall(jz4740_gpio_init);
--
1.9.2
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^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH 2/4] MIPS: XBurst: use gpiolib
2014-06-26 22:49 [PATCH 0/4] MIPS: XBurst: add gpio support Antony Pavlov
2014-06-26 22:49 ` [PATCH 1/4] gpio: add jz4740-gpio driver for Ingenic MIPS SoCs Antony Pavlov
@ 2014-06-26 22:49 ` Antony Pavlov
2014-06-26 22:49 ` [PATCH 3/4] MIPS: dts: jz4755.dtsi: add gpio Antony Pavlov
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Antony Pavlov @ 2014-06-26 22:49 UTC (permalink / raw)
To: barebox
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
arch/mips/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 077586c..d4e9e1c 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -89,6 +89,7 @@ config MACH_MIPS_XBURST
select HAVE_PBL_IMAGE
select HAVE_IMAGE_COMPRESSION
select HAS_NMON
+ select GPIOLIB
endchoice
source arch/mips/mach-malta/Kconfig
--
1.9.2
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^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH 3/4] MIPS: dts: jz4755.dtsi: add gpio
2014-06-26 22:49 [PATCH 0/4] MIPS: XBurst: add gpio support Antony Pavlov
2014-06-26 22:49 ` [PATCH 1/4] gpio: add jz4740-gpio driver for Ingenic MIPS SoCs Antony Pavlov
2014-06-26 22:49 ` [PATCH 2/4] MIPS: XBurst: use gpiolib Antony Pavlov
@ 2014-06-26 22:49 ` Antony Pavlov
2014-06-26 22:49 ` [PATCH 4/4] MIPS: ritmix-rzx50_defconfig: enable gpio stuff Antony Pavlov
2014-06-27 19:40 ` [PATCH 0/4] MIPS: XBurst: add gpio support Sascha Hauer
4 siblings, 0 replies; 6+ messages in thread
From: Antony Pavlov @ 2014-06-26 22:49 UTC (permalink / raw)
To: barebox
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
arch/mips/dts/jz4755.dtsi | 42 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/arch/mips/dts/jz4755.dtsi b/arch/mips/dts/jz4755.dtsi
index 44ff912..0e655b6 100644
--- a/arch/mips/dts/jz4755.dtsi
+++ b/arch/mips/dts/jz4755.dtsi
@@ -31,5 +31,47 @@
clock-frequency = <12000000>;
status = "disabled";
};
+
+ gpio0: gpio@10010000 {
+ compatible = "ingenic,jz4740-gpio";
+ gpio-controller;
+ reg = <0xb0010000 0x100>;
+ #gpio-cells = <2>;
+ };
+
+ gpio1: gpio@10010100 {
+ compatible = "ingenic,jz4740-gpio";
+ gpio-controller;
+ reg = <0xb0010100 0x100>;
+ #gpio-cells = <2>;
+ };
+
+ gpio2: gpio@10010200 {
+ compatible = "ingenic,jz4740-gpio";
+ gpio-controller;
+ reg = <0xb0010200 0x100>;
+ #gpio-cells = <2>;
+ };
+
+ gpio3: gpio@10010300 {
+ compatible = "ingenic,jz4740-gpio";
+ gpio-controller;
+ reg = <0xb0010300 0x100>;
+ #gpio-cells = <2>;
+ };
+
+ gpio4: gpio@10010400 {
+ compatible = "ingenic,jz4740-gpio";
+ gpio-controller;
+ reg = <0xb0010400 0x100>;
+ #gpio-cells = <2>;
+ };
+
+ gpio5: gpio@10010500 {
+ compatible = "ingenic,jz4740-gpio";
+ gpio-controller;
+ reg = <0xb0010500 0x100>;
+ #gpio-cells = <2>;
+ };
};
};
--
1.9.2
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^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH 4/4] MIPS: ritmix-rzx50_defconfig: enable gpio stuff
2014-06-26 22:49 [PATCH 0/4] MIPS: XBurst: add gpio support Antony Pavlov
` (2 preceding siblings ...)
2014-06-26 22:49 ` [PATCH 3/4] MIPS: dts: jz4755.dtsi: add gpio Antony Pavlov
@ 2014-06-26 22:49 ` Antony Pavlov
2014-06-27 19:40 ` [PATCH 0/4] MIPS: XBurst: add gpio support Sascha Hauer
4 siblings, 0 replies; 6+ messages in thread
From: Antony Pavlov @ 2014-06-26 22:49 UTC (permalink / raw)
To: barebox
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
arch/mips/configs/ritmix-rzx50_defconfig | 28 +++++++++++++++-------------
1 file changed, 15 insertions(+), 13 deletions(-)
diff --git a/arch/mips/configs/ritmix-rzx50_defconfig b/arch/mips/configs/ritmix-rzx50_defconfig
index 62f23b2..e6f10fb 100644
--- a/arch/mips/configs/ritmix-rzx50_defconfig
+++ b/arch/mips/configs/ritmix-rzx50_defconfig
@@ -6,34 +6,36 @@ CONFIG_PBL_IMAGE=y
CONFIG_BAUDRATE=57600
CONFIG_GLOB=y
CONFIG_HUSH_FANCY_PROMPT=y
-CONFIG_CMD_GETOPT=y
CONFIG_CMDLINE_EDITING=y
CONFIG_AUTO_COMPLETE=y
# CONFIG_DEFAULT_ENVIRONMENT is not set
CONFIG_DEBUG_LL=y
-CONFIG_CMD_EDIT=y
-CONFIG_CMD_SLEEP=y
-CONFIG_CMD_LOADB=y
-CONFIG_CMD_LOADY=y
-CONFIG_CMD_LOADS=y
-CONFIG_CMD_SAVES=y
-CONFIG_CMD_MEMINFO=y
CONFIG_CMD_IOMEM=y
-CONFIG_CMD_MD5SUM=y
+CONFIG_CMD_MEMINFO=y
CONFIG_CMD_BOOTM_SHOW_TYPE=y
CONFIG_CMD_BOOTM_VERBOSE=y
CONFIG_CMD_BOOTM_INITRD=y
CONFIG_CMD_BOOTM_OFTREE=y
CONFIG_CMD_BOOTM_OFTREE_UIMAGE=y
-CONFIG_CMD_UIMAGE=y
+CONFIG_CMD_GO=y
+CONFIG_CMD_LOADB=y
+CONFIG_CMD_LOADS=y
+CONFIG_CMD_LOADY=y
CONFIG_CMD_RESET=y
+CONFIG_CMD_SAVES=y
+CONFIG_CMD_UIMAGE=y
+CONFIG_CMD_MD5SUM=y
+CONFIG_CMD_GETOPT=y
+CONFIG_CMD_SLEEP=y
+CONFIG_CMD_EDIT=y
+CONFIG_CMD_GPIO=y
CONFIG_CMD_POWEROFF=y
-CONFIG_CMD_GO=y
-CONFIG_CMD_OFTREE=y
-CONFIG_CMD_OF_PROPERTY=y
CONFIG_CMD_OF_NODE=y
+CONFIG_CMD_OF_PROPERTY=y
+CONFIG_CMD_OFTREE=y
CONFIG_OFDEVICE=y
# CONFIG_SPI is not set
+CONFIG_GPIO_JZ4740=y
CONFIG_SHA1=y
CONFIG_SHA224=y
CONFIG_SHA256=y
--
1.9.2
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH 0/4] MIPS: XBurst: add gpio support
2014-06-26 22:49 [PATCH 0/4] MIPS: XBurst: add gpio support Antony Pavlov
` (3 preceding siblings ...)
2014-06-26 22:49 ` [PATCH 4/4] MIPS: ritmix-rzx50_defconfig: enable gpio stuff Antony Pavlov
@ 2014-06-27 19:40 ` Sascha Hauer
4 siblings, 0 replies; 6+ messages in thread
From: Sascha Hauer @ 2014-06-27 19:40 UTC (permalink / raw)
To: Antony Pavlov; +Cc: barebox
On Fri, Jun 27, 2014 at 02:49:29AM +0400, Antony Pavlov wrote:
> Antony Pavlov (4):
> gpio: add jz4740-gpio driver for Ingenic MIPS SoCs
> MIPS: XBurst: use gpiolib
> MIPS: dts: jz4755.dtsi: add gpio
> MIPS: ritmix-rzx50_defconfig: enable gpio stuff
Applied, thanks
Sascha
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^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2014-06-27 19:40 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2014-06-26 22:49 [PATCH 0/4] MIPS: XBurst: add gpio support Antony Pavlov
2014-06-26 22:49 ` [PATCH 1/4] gpio: add jz4740-gpio driver for Ingenic MIPS SoCs Antony Pavlov
2014-06-26 22:49 ` [PATCH 2/4] MIPS: XBurst: use gpiolib Antony Pavlov
2014-06-26 22:49 ` [PATCH 3/4] MIPS: dts: jz4755.dtsi: add gpio Antony Pavlov
2014-06-26 22:49 ` [PATCH 4/4] MIPS: ritmix-rzx50_defconfig: enable gpio stuff Antony Pavlov
2014-06-27 19:40 ` [PATCH 0/4] MIPS: XBurst: add gpio support Sascha Hauer
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