[PATCH 05/08] ARM: shmobile: r8a7791 GPIO platform device support
Magnus Damm
magnus.damm at gmail.com
Mon Oct 7 23:39:39 EDT 2013
From: Magnus Damm <damm at opensource.se>
Add GPIO controller platform devices for the r8a7791 SoC.
Signed-off-by: Magnus Damm <damm at opensource.se>
---
arch/arm/mach-shmobile/setup-r8a7791.c | 40 ++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
--- 0003/arch/arm/mach-shmobile/setup-r8a7791.c
+++ work/arch/arm/mach-shmobile/setup-r8a7791.c 2013-10-04 18:55:09.000000000 +0900
@@ -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_resourc
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) \
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