diff options
author | Kyungmin Park <kyungmin.park@samsung.com> | 2009-11-17 08:41:16 +0100 |
---|---|---|
committer | Ben Dooks <ben-linux@fluff.org> | 2009-12-01 01:33:14 +0000 |
commit | b0d5217cfb0a2357ac076977400c648cccff6154 (patch) | |
tree | 79795a07f16b3f3962836206651911a869bbca71 /arch/arm/plat-s5pc1xx/include | |
parent | d7b9ace51d949e1bfec7f32d21d094cf2c683ca0 (diff) | |
download | op-kernel-dev-b0d5217cfb0a2357ac076977400c648cccff6154.zip op-kernel-dev-b0d5217cfb0a2357ac076977400c648cccff6154.tar.gz |
ARM: S5PC1xx: add gpiolib and external/gpio interrupt support
Add support for gpiolib calls. This is based on the gpiolib implementation
from plat-s3c64xx tree.
Add support for external interrupts for GPIO H banks.
Add support for GPIO interrupts for all banks.
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/plat-s5pc1xx/include')
-rw-r--r-- | arch/arm/plat-s5pc1xx/include/plat/gpio-cfg-s5pc1xx.h | 32 | ||||
-rw-r--r-- | arch/arm/plat-s5pc1xx/include/plat/gpio-ext.h | 44 | ||||
-rw-r--r-- | arch/arm/plat-s5pc1xx/include/plat/irqs.h | 15 | ||||
-rw-r--r-- | arch/arm/plat-s5pc1xx/include/plat/regs-gpio.h | 70 |
4 files changed, 158 insertions, 3 deletions
diff --git a/arch/arm/plat-s5pc1xx/include/plat/gpio-cfg-s5pc1xx.h b/arch/arm/plat-s5pc1xx/include/plat/gpio-cfg-s5pc1xx.h new file mode 100644 index 0000000..72ad59f --- /dev/null +++ b/arch/arm/plat-s5pc1xx/include/plat/gpio-cfg-s5pc1xx.h @@ -0,0 +1,32 @@ +/* linux/arch/arm/plat-s5pc1xx/include/plat/gpio-cfg.h + * + * Copyright 2009 Samsung Electronic + * + * S5PC1XX Platform - GPIO pin configuration + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +/* This file contains the necessary definitions to get the basic gpio + * pin configuration done such as setting a pin to input or output or + * changing the pull-{up,down} configurations. + */ + +#ifndef __GPIO_CFG_S5PC1XX_H +#define __GPIO_CFG_S5PC1XX_H __FILE__ + +typedef unsigned int __bitwise__ s5p_gpio_drvstr_t; + +#define S5P_GPIO_DRVSTR_LV1 0x00 +#define S5P_GPIO_DRVSTR_LV2 0x01 +#define S5P_GPIO_DRVSTR_LV3 0x10 +#define S5P_GPIO_DRVSTR_LV4 0x11 + +extern s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin, unsigned int off); + +extern int s5p_gpio_set_drvstr(unsigned int pin, unsigned int off, + s5p_gpio_drvstr_t drvstr); + +#endif /* __GPIO_CFG_S5PC1XX_H */ diff --git a/arch/arm/plat-s5pc1xx/include/plat/gpio-ext.h b/arch/arm/plat-s5pc1xx/include/plat/gpio-ext.h new file mode 100644 index 0000000..33ad267 --- /dev/null +++ b/arch/arm/plat-s5pc1xx/include/plat/gpio-ext.h @@ -0,0 +1,44 @@ +/* linux/arch/arm/plat-s5pc1xx/include/plat/gpio-eint.h + * + * Copyright 2009 Samsung Electronics Co. + * + * External Interrupt (GPH0 ~ GPH3) control register definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S5PC1XX_WKUP_INT_CON0_7 (S5PC1XX_EINT_BASE + 0x0) +#define S5PC1XX_WKUP_INT_CON8_15 (S5PC1XX_EINT_BASE + 0x4) +#define S5PC1XX_WKUP_INT_CON16_23 (S5PC1XX_EINT_BASE + 0x8) +#define S5PC1XX_WKUP_INT_CON24_31 (S5PC1XX_EINT_BASE + 0xC) +#define S5PC1XX_WKUP_INT_CON(x) (S5PC1XX_WKUP_INT_CON0_7 + (x * 0x4)) + +#define S5PC1XX_WKUP_INT_FLTCON0_3 (S5PC1XX_EINT_BASE + 0x80) +#define S5PC1XX_WKUP_INT_FLTCON4_7 (S5PC1XX_EINT_BASE + 0x84) +#define S5PC1XX_WKUP_INT_FLTCON8_11 (S5PC1XX_EINT_BASE + 0x88) +#define S5PC1XX_WKUP_INT_FLTCON12_15 (S5PC1XX_EINT_BASE + 0x8C) +#define S5PC1XX_WKUP_INT_FLTCON16_19 (S5PC1XX_EINT_BASE + 0x90) +#define S5PC1XX_WKUP_INT_FLTCON20_23 (S5PC1XX_EINT_BASE + 0x94) +#define S5PC1XX_WKUP_INT_FLTCON24_27 (S5PC1XX_EINT_BASE + 0x98) +#define S5PC1XX_WKUP_INT_FLTCON28_31 (S5PC1XX_EINT_BASE + 0x9C) +#define S5PC1XX_WKUP_INT_FLTCON(x) (S5PC1XX_WKUP_INT_FLTCON0_3 + (x * 0x4)) + +#define S5PC1XX_WKUP_INT_MASK0_7 (S5PC1XX_EINT_BASE + 0x100) +#define S5PC1XX_WKUP_INT_MASK8_15 (S5PC1XX_EINT_BASE + 0x104) +#define S5PC1XX_WKUP_INT_MASK16_23 (S5PC1XX_EINT_BASE + 0x108) +#define S5PC1XX_WKUP_INT_MASK24_31 (S5PC1XX_EINT_BASE + 0x10C) +#define S5PC1XX_WKUP_INT_MASK(x) (S5PC1XX_WKUP_INT_MASK0_7 + (x * 0x4)) + +#define S5PC1XX_WKUP_INT_PEND0_7 (S5PC1XX_EINT_BASE + 0x140) +#define S5PC1XX_WKUP_INT_PEND8_15 (S5PC1XX_EINT_BASE + 0x144) +#define S5PC1XX_WKUP_INT_PEND16_23 (S5PC1XX_EINT_BASE + 0x148) +#define S5PC1XX_WKUP_INT_PEND24_31 (S5PC1XX_EINT_BASE + 0x14C) +#define S5PC1XX_WKUP_INT_PEND(x) (S5PC1XX_WKUP_INT_PEND0_7 + (x * 0x4)) + +#define S5PC1XX_WKUP_INT_LOWLEV (0x00) +#define S5PC1XX_WKUP_INT_HILEV (0x01) +#define S5PC1XX_WKUP_INT_FALLEDGE (0x02) +#define S5PC1XX_WKUP_INT_RISEEDGE (0x03) +#define S5PC1XX_WKUP_INT_BOTHEDGE (0x04) diff --git a/arch/arm/plat-s5pc1xx/include/plat/irqs.h b/arch/arm/plat-s5pc1xx/include/plat/irqs.h index f07d8c3..ef87363 100644 --- a/arch/arm/plat-s5pc1xx/include/plat/irqs.h +++ b/arch/arm/plat-s5pc1xx/include/plat/irqs.h @@ -171,12 +171,21 @@ #define IRQ_SDMIRQ S5PC1XX_IRQ_VIC2(30) #define IRQ_SDMFIQ S5PC1XX_IRQ_VIC2(31) +/* External interrupt */ #define S3C_IRQ_EINT_BASE (IRQ_SDMFIQ + 1) -#define S3C_EINT(x) ((x) + S3C_IRQ_EINT_BASE) -#define IRQ_EINT(x) S3C_EINT(x) +#define S3C_EINT(x) (S3C_IRQ_EINT_BASE + (x - 16)) +#define IRQ_EINT(x) (x < 16 ? IRQ_EINT0 + x : S3C_EINT(x)) +#define IRQ_EINT_BIT(x) (x < IRQ_EINT16_31 ? x - IRQ_EINT0 : x - S3C_EINT(0)) -#define NR_IRQS (IRQ_EINT(31)+1) +/* GPIO interrupt */ +#define S3C_IRQ_GPIO_BASE (IRQ_EINT(31) + 1) +#define S3C_IRQ_GPIO(x) (S3C_IRQ_GPIO_BASE + (x)) + +/* + * Until MP04 Groups -> 40 (exactly 39) Groups * 8 ~= 320 GPIOs + */ +#define NR_IRQS (S3C_IRQ_GPIO(320) + 1) #endif /* __ASM_PLAT_S5PC1XX_IRQS_H */ diff --git a/arch/arm/plat-s5pc1xx/include/plat/regs-gpio.h b/arch/arm/plat-s5pc1xx/include/plat/regs-gpio.h new file mode 100644 index 0000000..43c7bc8 --- /dev/null +++ b/arch/arm/plat-s5pc1xx/include/plat/regs-gpio.h @@ -0,0 +1,70 @@ +/* linux/arch/arm/plat-s5pc1xx/include/plat/regs-gpio.h + * + * Copyright 2009 Samsung Electronics Co. + * Byungho Min <bhmin@samsung.com> + * + * S5PC1XX - GPIO register definitions + */ + +#ifndef __ASM_PLAT_S5PC1XX_REGS_GPIO_H +#define __ASM_PLAT_S5PC1XX_REGS_GPIO_H __FILE__ + +#include <mach/map.h> + +/* S5PC100 */ +#define S5PC100_GPIO_BASE S5PC1XX_VA_GPIO +#define S5PC100_GPA0_BASE (S5PC100_GPIO_BASE + 0x0000) +#define S5PC100_GPA1_BASE (S5PC100_GPIO_BASE + 0x0020) +#define S5PC100_GPB_BASE (S5PC100_GPIO_BASE + 0x0040) +#define S5PC100_GPC_BASE (S5PC100_GPIO_BASE + 0x0060) +#define S5PC100_GPD_BASE (S5PC100_GPIO_BASE + 0x0080) +#define S5PC100_GPE0_BASE (S5PC100_GPIO_BASE + 0x00A0) +#define S5PC100_GPE1_BASE (S5PC100_GPIO_BASE + 0x00C0) +#define S5PC100_GPF0_BASE (S5PC100_GPIO_BASE + 0x00E0) +#define S5PC100_GPF1_BASE (S5PC100_GPIO_BASE + 0x0100) +#define S5PC100_GPF2_BASE (S5PC100_GPIO_BASE + 0x0120) +#define S5PC100_GPF3_BASE (S5PC100_GPIO_BASE + 0x0140) +#define S5PC100_GPG0_BASE (S5PC100_GPIO_BASE + 0x0160) +#define S5PC100_GPG1_BASE (S5PC100_GPIO_BASE + 0x0180) +#define S5PC100_GPG2_BASE (S5PC100_GPIO_BASE + 0x01A0) +#define S5PC100_GPG3_BASE (S5PC100_GPIO_BASE + 0x01C0) +#define S5PC100_GPH0_BASE (S5PC100_GPIO_BASE + 0x0C00) +#define S5PC100_GPH1_BASE (S5PC100_GPIO_BASE + 0x0C20) +#define S5PC100_GPH2_BASE (S5PC100_GPIO_BASE + 0x0C40) +#define S5PC100_GPH3_BASE (S5PC100_GPIO_BASE + 0x0C60) +#define S5PC100_GPI_BASE (S5PC100_GPIO_BASE + 0x01E0) +#define S5PC100_GPJ0_BASE (S5PC100_GPIO_BASE + 0x0200) +#define S5PC100_GPJ1_BASE (S5PC100_GPIO_BASE + 0x0220) +#define S5PC100_GPJ2_BASE (S5PC100_GPIO_BASE + 0x0240) +#define S5PC100_GPJ3_BASE (S5PC100_GPIO_BASE + 0x0260) +#define S5PC100_GPJ4_BASE (S5PC100_GPIO_BASE + 0x0280) +#define S5PC100_GPK0_BASE (S5PC100_GPIO_BASE + 0x02A0) +#define S5PC100_GPK1_BASE (S5PC100_GPIO_BASE + 0x02C0) +#define S5PC100_GPK2_BASE (S5PC100_GPIO_BASE + 0x02E0) +#define S5PC100_GPK3_BASE (S5PC100_GPIO_BASE + 0x0300) +#define S5PC100_GPL0_BASE (S5PC100_GPIO_BASE + 0x0320) +#define S5PC100_GPL1_BASE (S5PC100_GPIO_BASE + 0x0340) +#define S5PC100_GPL2_BASE (S5PC100_GPIO_BASE + 0x0360) +#define S5PC100_GPL3_BASE (S5PC100_GPIO_BASE + 0x0380) +#define S5PC100_GPL4_BASE (S5PC100_GPIO_BASE + 0x03A0) +#define S5PC100_EINT_BASE (S5PC100_GPIO_BASE + 0x0E00) + +#define S5PC100_UHOST (S5PC100_GPIO_BASE + 0x0B68) +#define S5PC100_PDNEN (S5PC100_GPIO_BASE + 0x0F80) + +/* PDNEN */ +#define S5PC100_PDNEN_CFG_PDNEN (1 << 1) +#define S5PC100_PDNEN_CFG_AUTO (0 << 1) +#define S5PC100_PDNEN_POWERDOWN (1 << 0) +#define S5PC100_PDNEN_NORMAL (0 << 0) + +/* Common part */ +/* External interrupt base is same at both s5pc100 and s5pc110 */ +#define S5PC1XX_EINT_BASE (S5PC100_EINT_BASE) + +#define S5PC100_GPx_INPUT(__gpio) (0x0 << ((__gpio) * 4)) +#define S5PC100_GPx_OUTPUT(__gpio) (0x1 << ((__gpio) * 4)) +#define S5PC100_GPx_CONMASK(__gpio) (0xf << ((__gpio) * 4)) + +#endif /* __ASM_PLAT_S5PC1XX_REGS_GPIO_H */ + |