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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /arch/arm/mach-omap1/gpio7xx.c | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-omap1/gpio7xx.c')
-rw-r--r-- | arch/arm/mach-omap1/gpio7xx.c | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/gpio7xx.c b/arch/arm/mach-omap1/gpio7xx.c new file mode 100644 index 000000000..aeb81c18f --- /dev/null +++ b/arch/arm/mach-omap1/gpio7xx.c @@ -0,0 +1,281 @@ +/* + * OMAP7xx specific gpio init + * + * Copyright (C) 2010 Texas Instruments Incorporated - https://www.ti.com/ + * + * Author: + * Charulatha V <charu@ti.com> + * + * 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 version 2. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/gpio.h> +#include <linux/platform_data/gpio-omap.h> + +#include <mach/irqs.h> + +#include "soc.h" + +#define OMAP7XX_GPIO1_BASE 0xfffbc000 +#define OMAP7XX_GPIO2_BASE 0xfffbc800 +#define OMAP7XX_GPIO3_BASE 0xfffbd000 +#define OMAP7XX_GPIO4_BASE 0xfffbd800 +#define OMAP7XX_GPIO5_BASE 0xfffbe000 +#define OMAP7XX_GPIO6_BASE 0xfffbe800 +#define OMAP1_MPUIO_VBASE OMAP1_MPUIO_BASE + +/* mpu gpio */ +static struct resource omap7xx_mpu_gpio_resources[] = { + { + .start = OMAP1_MPUIO_VBASE, + .end = OMAP1_MPUIO_VBASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_7XX_MPUIO, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct omap_gpio_reg_offs omap7xx_mpuio_regs = { + .revision = USHRT_MAX, + .direction = OMAP_MPUIO_IO_CNTL / 2, + .datain = OMAP_MPUIO_INPUT_LATCH / 2, + .dataout = OMAP_MPUIO_OUTPUT / 2, + .irqstatus = OMAP_MPUIO_GPIO_INT / 2, + .irqenable = OMAP_MPUIO_GPIO_MASKIT / 2, + .irqenable_inv = true, + .irqctrl = OMAP_MPUIO_GPIO_INT_EDGE >> 1, +}; + +static struct omap_gpio_platform_data omap7xx_mpu_gpio_config = { + .is_mpuio = true, + .bank_width = 16, + .bank_stride = 2, + .regs = &omap7xx_mpuio_regs, +}; + +static struct platform_device omap7xx_mpu_gpio = { + .name = "omap_gpio", + .id = 0, + .dev = { + .platform_data = &omap7xx_mpu_gpio_config, + }, + .num_resources = ARRAY_SIZE(omap7xx_mpu_gpio_resources), + .resource = omap7xx_mpu_gpio_resources, +}; + +/* gpio1 */ +static struct resource omap7xx_gpio1_resources[] = { + { + .start = OMAP7XX_GPIO1_BASE, + .end = OMAP7XX_GPIO1_BASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_7XX_GPIO_BANK1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct omap_gpio_reg_offs omap7xx_gpio_regs = { + .revision = USHRT_MAX, + .direction = OMAP7XX_GPIO_DIR_CONTROL, + .datain = OMAP7XX_GPIO_DATA_INPUT, + .dataout = OMAP7XX_GPIO_DATA_OUTPUT, + .irqstatus = OMAP7XX_GPIO_INT_STATUS, + .irqenable = OMAP7XX_GPIO_INT_MASK, + .irqenable_inv = true, + .irqctrl = OMAP7XX_GPIO_INT_CONTROL, +}; + +static struct omap_gpio_platform_data omap7xx_gpio1_config = { + .bank_width = 32, + .regs = &omap7xx_gpio_regs, +}; + +static struct platform_device omap7xx_gpio1 = { + .name = "omap_gpio", + .id = 1, + .dev = { + .platform_data = &omap7xx_gpio1_config, + }, + .num_resources = ARRAY_SIZE(omap7xx_gpio1_resources), + .resource = omap7xx_gpio1_resources, +}; + +/* gpio2 */ +static struct resource omap7xx_gpio2_resources[] = { + { + .start = OMAP7XX_GPIO2_BASE, + .end = OMAP7XX_GPIO2_BASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_7XX_GPIO_BANK2, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct omap_gpio_platform_data omap7xx_gpio2_config = { + .bank_width = 32, + .regs = &omap7xx_gpio_regs, +}; + +static struct platform_device omap7xx_gpio2 = { + .name = "omap_gpio", + .id = 2, + .dev = { + .platform_data = &omap7xx_gpio2_config, + }, + .num_resources = ARRAY_SIZE(omap7xx_gpio2_resources), + .resource = omap7xx_gpio2_resources, +}; + +/* gpio3 */ +static struct resource omap7xx_gpio3_resources[] = { + { + .start = OMAP7XX_GPIO3_BASE, + .end = OMAP7XX_GPIO3_BASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_7XX_GPIO_BANK3, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct omap_gpio_platform_data omap7xx_gpio3_config = { + .bank_width = 32, + .regs = &omap7xx_gpio_regs, +}; + +static struct platform_device omap7xx_gpio3 = { + .name = "omap_gpio", + .id = 3, + .dev = { + .platform_data = &omap7xx_gpio3_config, + }, + .num_resources = ARRAY_SIZE(omap7xx_gpio3_resources), + .resource = omap7xx_gpio3_resources, +}; + +/* gpio4 */ +static struct resource omap7xx_gpio4_resources[] = { + { + .start = OMAP7XX_GPIO4_BASE, + .end = OMAP7XX_GPIO4_BASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_7XX_GPIO_BANK4, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct omap_gpio_platform_data omap7xx_gpio4_config = { + .bank_width = 32, + .regs = &omap7xx_gpio_regs, +}; + +static struct platform_device omap7xx_gpio4 = { + .name = "omap_gpio", + .id = 4, + .dev = { + .platform_data = &omap7xx_gpio4_config, + }, + .num_resources = ARRAY_SIZE(omap7xx_gpio4_resources), + .resource = omap7xx_gpio4_resources, +}; + +/* gpio5 */ +static struct resource omap7xx_gpio5_resources[] = { + { + .start = OMAP7XX_GPIO5_BASE, + .end = OMAP7XX_GPIO5_BASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_7XX_GPIO_BANK5, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct omap_gpio_platform_data omap7xx_gpio5_config = { + .bank_width = 32, + .regs = &omap7xx_gpio_regs, +}; + +static struct platform_device omap7xx_gpio5 = { + .name = "omap_gpio", + .id = 5, + .dev = { + .platform_data = &omap7xx_gpio5_config, + }, + .num_resources = ARRAY_SIZE(omap7xx_gpio5_resources), + .resource = omap7xx_gpio5_resources, +}; + +/* gpio6 */ +static struct resource omap7xx_gpio6_resources[] = { + { + .start = OMAP7XX_GPIO6_BASE, + .end = OMAP7XX_GPIO6_BASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_7XX_GPIO_BANK6, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct omap_gpio_platform_data omap7xx_gpio6_config = { + .bank_width = 32, + .regs = &omap7xx_gpio_regs, +}; + +static struct platform_device omap7xx_gpio6 = { + .name = "omap_gpio", + .id = 6, + .dev = { + .platform_data = &omap7xx_gpio6_config, + }, + .num_resources = ARRAY_SIZE(omap7xx_gpio6_resources), + .resource = omap7xx_gpio6_resources, +}; + +static struct platform_device *omap7xx_gpio_dev[] __initdata = { + &omap7xx_mpu_gpio, + &omap7xx_gpio1, + &omap7xx_gpio2, + &omap7xx_gpio3, + &omap7xx_gpio4, + &omap7xx_gpio5, + &omap7xx_gpio6, +}; + +/* + * omap7xx_gpio_init needs to be done before + * machine_init functions access gpio APIs. + * Hence omap7xx_gpio_init is a postcore_initcall. + */ +static int __init omap7xx_gpio_init(void) +{ + int i; + + if (!cpu_is_omap7xx()) + return -EINVAL; + + for (i = 0; i < ARRAY_SIZE(omap7xx_gpio_dev); i++) + platform_device_register(omap7xx_gpio_dev[i]); + + return 0; +} +postcore_initcall(omap7xx_gpio_init); |