ARM: mach-shmobile: g3evm: Add IrDA support

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/arch/arm/mach-shmobile/board-g3evm.c b/arch/arm/mach-shmobile/board-g3evm.c
index 9247503296c..19b3bf3bf56 100644
--- a/arch/arm/mach-shmobile/board-g3evm.c
+++ b/arch/arm/mach-shmobile/board-g3evm.c
@@ -38,6 +38,14 @@
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 
+/*
+ * IrDA
+ *
+ * S67: 5bit : ON  power
+ *    : 6bit : ON  remote control
+ *             OFF IrDA
+ */
+
 static struct mtd_partition nor_flash_partitions[] = {
         {
                 .name           = "loader",
@@ -209,11 +217,30 @@ static struct platform_device nand_flash_device = {
         },
 };
 
+static struct resource irda_resources[] = {
+        [0] = {
+                .start  = 0xE6D00000,
+                .end    = 0xE6D01FD4 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = 20,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device irda_device = {
+        .name           = "sh_irda",
+        .resource       = irda_resources,
+        .num_resources  = ARRAY_SIZE(irda_resources),
+};
+
 static struct platform_device *g3evm_devices[] __initdata = {
         &nor_flash_device,
         &usb_host_device,
         &keysc_device,
         &nand_flash_device,
+        &irda_device,
 };
 
 static struct map_desc g3evm_io_desc[] __initdata = {
@@ -318,6 +345,12 @@ static void __init g3evm_init(void)
         /* FOE, FCDE, FSC on dedicated pins */
         __raw_writel(__raw_readl(0xe6158048) & ~(1 << 15), 0xe6158048);
 
+        /* IrDA */
+        gpio_request(GPIO_FN_IRDA_OUT, NULL);
+        gpio_request(GPIO_FN_IRDA_IN, NULL);
+        gpio_request(GPIO_FN_IRDA_FIRSEL, NULL);
+        set_irq_type(20, IRQ_TYPE_LEVEL_LOW);
+
         sh7367_add_standard_devices();
 
         platform_add_devices(g3evm_devices, ARRAY_SIZE(g3evm_devices));