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Commit 93ff9163 authored by Magnus Damm's avatar Magnus Damm Committed by Simon Horman
Browse files

ARM: shmobile: r8a7791 GPIO platform device support 



Add GPIO controller platform devices for the r8a7791 SoC.

Signed-off-by: default avatarMagnus Damm <damm@opensource.se>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent cc3a17d7

arch/arm/mach-shmobile/setup-r8a7791.c

+40 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ 
#include <linux/irq.h>

#include <linux/kernel.h>

#include <linux/of_platform.h>

#include <linux/platform_data/gpio-rcar.h>

#include <linux/platform_data/irq-renesas-irqc.h>

#include <linux/serial_sci.h>

#include <linux/sh_timer.h>
@@ -39,9 +40,48 @@ static const struct resource pfc_resources[] __initconst = { 
	platform_device_register_simple("pfc-r8a7791", -1, pfc_resources, \

					ARRAY_SIZE(pfc_resources))



#define R8A7791_GPIO(idx, base, nr)					\

static const struct resource r8a7791_gpio##idx##_resources[] __initconst = { \

	DEFINE_RES_MEM((base), 0x50),					\

	DEFINE_RES_IRQ(gic_spi(4 + (idx))),				\

};									\

									\

static const struct gpio_rcar_config					\

r8a7791_gpio##idx##_platform_data __initconst = {			\

	.gpio_base	= 32 * (idx),					\

	.irq_base	= 0,						\

	.number_of_pins	= (nr),						\

	.pctl_name	= "pfc-r8a7791",				\

	.has_both_edge_trigger = 1,					\

};									\



R8A7791_GPIO(0, 0xe6050000, 32);

R8A7791_GPIO(1, 0xe6051000, 32);

R8A7791_GPIO(2, 0xe6052000, 32);

R8A7791_GPIO(3, 0xe6053000, 32);

R8A7791_GPIO(4, 0xe6054000, 32);

R8A7791_GPIO(5, 0xe6055000, 32);

R8A7791_GPIO(6, 0xe6055400, 32);

R8A7791_GPIO(7, 0xe6055800, 26);



#define r8a7791_register_gpio(idx)					\

	platform_device_register_resndata(&platform_bus, "gpio_rcar", idx, \

		r8a7791_gpio##idx##_resources,				\

		ARRAY_SIZE(r8a7791_gpio##idx##_resources),		\

		&r8a7791_gpio##idx##_platform_data,			\

		sizeof(r8a7791_gpio##idx##_platform_data))



void __init r8a7791_pinmux_init(void)

{

	r8a7791_register_pfc();

	r8a7791_register_gpio(0);

	r8a7791_register_gpio(1);

	r8a7791_register_gpio(2);

	r8a7791_register_gpio(3);

	r8a7791_register_gpio(4);

	r8a7791_register_gpio(5);

	r8a7791_register_gpio(6);

	r8a7791_register_gpio(7);

}



#define SCIF_COMMON(scif_type, baseaddr, irq)			\