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author | Bhuvanchandra DV <bhuvanchandra.dv@toradex.com> | 2015-06-01 18:37:16 +0530 |
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committer | Stefano Babic <sbabic@denx.de> | 2015-06-08 08:41:54 +0200 |
commit | d348a943e77ed72dd809cecf03365552545382b2 (patch) | |
tree | bae29b560def8ca251f63b3ef9b914af830b0a4f /arch/arm/include | |
parent | ae89bb0d363eba33074106309c81c02f84b91ef8 (diff) | |
download | u-boot-imx-d348a943e77ed72dd809cecf03365552545382b2.zip u-boot-imx-d348a943e77ed72dd809cecf03365552545382b2.tar.gz u-boot-imx-d348a943e77ed72dd809cecf03365552545382b2.tar.bz2 |
dm: gpio: vf610: Add GPIO driver support
Add GPIO driver support to Freescale VF610
Signed-off-by: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com>
Diffstat (limited to 'arch/arm/include')
-rw-r--r-- | arch/arm/include/asm/arch-vf610/gpio.h | 29 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-vf610/imx-regs.h | 5 | ||||
-rw-r--r-- | arch/arm/include/asm/imx-common/iomux-v3.h | 6 |
3 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-vf610/gpio.h b/arch/arm/include/asm/arch-vf610/gpio.h new file mode 100644 index 0000000..622b8f0 --- /dev/null +++ b/arch/arm/include/asm/arch-vf610/gpio.h @@ -0,0 +1,29 @@ +/* + * Copyright (C) 2015 + * Bhuvanchandra DV, Toradex, Inc. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __ASM_ARCH_VF610_GPIO_H +#define __ASM_ARCH_VF610_GPIO_H + +#define VYBRID_GPIO_COUNT 32 +#define VF610_GPIO_DIRECTION_IN 0x0 +#define VF610_GPIO_DIRECTION_OUT 0x1 + +/* GPIO registers */ +struct vybrid_gpio_regs { + u32 gpio_pdor; + u32 gpio_psor; + u32 gpio_pcor; + u32 gpio_ptor; + u32 gpio_pdir; +}; + +struct vybrid_gpio_platdata { + unsigned int chip; + u32 base; + const char *port_name; +}; +#endif /* __ASM_ARCH_VF610_GPIO_H */ diff --git a/arch/arm/include/asm/arch-vf610/imx-regs.h b/arch/arm/include/asm/arch-vf610/imx-regs.h index 2021981..7df3b1e 100644 --- a/arch/arm/include/asm/arch-vf610/imx-regs.h +++ b/arch/arm/include/asm/arch-vf610/imx-regs.h @@ -81,6 +81,11 @@ #define VREG_DIG_BASE_ADDR (AIPS0_BASE_ADDR + 0x0006D000) #define SRC_BASE_ADDR (AIPS0_BASE_ADDR + 0x0006E000) #define CMU_BASE_ADDR (AIPS0_BASE_ADDR + 0x0006F000) +#define GPIO0_BASE_ADDR (AIPS0_BASE_ADDR + 0x000FF000) +#define GPIO1_BASE_ADDR (AIPS0_BASE_ADDR + 0x000FF040) +#define GPIO2_BASE_ADDR (AIPS0_BASE_ADDR + 0x000FF080) +#define GPIO3_BASE_ADDR (AIPS0_BASE_ADDR + 0x000FF0C0) +#define GPIO4_BASE_ADDR (AIPS0_BASE_ADDR + 0x000FF100) /* AIPS 1 */ #define OCOTP_BASE_ADDR (AIPS1_BASE_ADDR + 0x00025000) diff --git a/arch/arm/include/asm/imx-common/iomux-v3.h b/arch/arm/include/asm/imx-common/iomux-v3.h index e0a49be..2581019 100644 --- a/arch/arm/include/asm/imx-common/iomux-v3.h +++ b/arch/arm/include/asm/imx-common/iomux-v3.h @@ -187,6 +187,12 @@ void imx_iomux_v3_setup_multiple_pads(iomux_v3_cfg_t const *pad_list, */ void imx_iomux_set_gpr_register(int group, int start_bit, int num_bits, int value); +#ifdef CONFIG_IOMUX_SHARE_CONF_REG +void imx_iomux_gpio_set_direction(unsigned int gpio, + unsigned int direction); +void imx_iomux_gpio_get_function(unsigned int gpio, + u32 *gpio_state); +#endif /* macros for declaring and using pinmux array */ #if defined(CONFIG_MX6QDL) |