* [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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^ permalink raw reply [flat|nested] 6+ messages in thread* [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 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox ^ 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 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox ^ 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 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox ^ 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 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox ^ 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 -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox ^ 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) -- links below jump to the message on this page -- 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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