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Commit 39ca2283 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Simon Horman
Browse files

ARM: shmobile: r8a7778: add GPIO support 



This patch was tested on Bock-W board

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent 0290df2d

arch/arm/mach-shmobile/setup-r8a7778.c

+35 −1
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ 
#include <linux/irqchip/arm-gic.h>

#include <linux/of.h>

#include <linux/of_platform.h>

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

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

#include <linux/platform_device.h>

#include <linux/irqchip.h>
@@ -94,17 +95,50 @@ static struct resource ether_resources[] = { 
		&sh_tmu##idx##_platform_data,		\

		sizeof(sh_tmu##idx##_platform_data))



/* PFC */

/* PFC/GPIO */

static struct resource pfc_resources[] = {

	DEFINE_RES_MEM(0xfffc0000, 0x118),

};



#define R8A7778_GPIO(idx)						\

static struct resource r8a7778_gpio##idx##_resources[] = {		\

	DEFINE_RES_MEM(0xffc40000 + 0x1000 * (idx), 0x30),		\

	DEFINE_RES_IRQ(gic_iid(0x87)),					\

};									\

									\

static struct gpio_rcar_config r8a7778_gpio##idx##_platform_data = {	\

	.gpio_base	= 32 * (idx),					\

	.irq_base	= GPIO_IRQ_BASE(idx),				\

	.number_of_pins	= 32,						\

	.pctl_name	= "pfc-r8a7778",				\

}



R8A7778_GPIO(0);

R8A7778_GPIO(1);

R8A7778_GPIO(2);

R8A7778_GPIO(3);

R8A7778_GPIO(4);



#define r8a7778_register_gpio(idx)				\

	platform_device_register_resndata(			\

		&platform_bus, "gpio_rcar", idx,		\

		r8a7778_gpio##idx##_resources,			\

		ARRAY_SIZE(r8a7778_gpio##idx##_resources),	\

		&r8a7778_gpio##idx##_platform_data,		\

		sizeof(r8a7778_gpio##idx##_platform_data))



void __init r8a7778_pinmux_init(void)

{

	platform_device_register_simple(

		"pfc-r8a7778", -1,

		pfc_resources,

		ARRAY_SIZE(pfc_resources));



	r8a7778_register_gpio(0);

	r8a7778_register_gpio(1);

	r8a7778_register_gpio(2);

	r8a7778_register_gpio(3);

	r8a7778_register_gpio(4);

}



void __init r8a7778_add_standard_devices(void)