Davinci: DM365: Enable DaVinci Key Scan support for DM365 EVM

The general structures are defined at DM365 SoC file and the specific
platform data structure for the EVM is defined at board file.

Signed-off-by: Miguel Aguilar <miguel.aguilar@ridgerun.com>

1 files changed, 31 insertions, 1 deletions

diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index 0fbc2f261ee3..c12bb005b90d 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -31,6 +31,7 @@
 #include <mach/serial.h>
 #include <mach/common.h>
 #include <mach/asp.h>
+#include <mach/keyscan.h>
 
 #include "clock.h"
 #include "mux.h"
@@ -530,7 +531,7 @@ MUX_CFG(DM365,  EMAC_CRS,	3,   2,     1,    1,     false)
 MUX_CFG(DM365,  EMAC_MDIO,      3,   1,     1,    1,     false)
 MUX_CFG(DM365,  EMAC_MDCLK,     3,   0,     1,    1,     false)
 
-MUX_CFG(DM365,  KEYPAD,         2,   0,     0x3f, 0x3f,  false)
+MUX_CFG(DM365,  KEYSCAN,        2,   0,     0x3f, 0x3f,  false)
 
 MUX_CFG(DM365,  PWM0,           1,   0,     3,    2,     false)
 MUX_CFG(DM365,  PWM0_G23,       3,   26,    3,    3,     false)
@@ -849,6 +850,28 @@ static struct map_desc dm365_io_desc[] = {
         },
 };
 
+static struct resource dm365_ks_resources[] = {
+        {
+                /* registers */
+                .start = DM365_KEYSCAN_BASE,
+                .end = DM365_KEYSCAN_BASE + SZ_1K - 1,
+                .flags = IORESOURCE_MEM,
+        },
+        {
+                /* interrupt */
+                .start = IRQ_DM365_KEYINT,
+                .end = IRQ_DM365_KEYINT,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device dm365_ks_device = {
+        .name           = "davinci_keyscan",
+        .id             = 0,
+        .num_resources  = ARRAY_SIZE(dm365_ks_resources),
+        .resource       = dm365_ks_resources,
+};
+
 /* Contents of JTAG ID register used to identify exact cpu type */
 static struct davinci_id dm365_ids[] = {
         {
@@ -948,6 +971,13 @@ void __init dm365_init_asp(struct snd_platform_data *pdata)
         platform_device_register(&dm365_asp_device);
 }
 
+void __init dm365_init_ks(struct davinci_ks_platform_data *pdata)
+{
+        davinci_cfg_reg(DM365_KEYSCAN);
+        dm365_ks_device.dev.platform_data = pdata;
+        platform_device_register(&dm365_ks_device);
+}
+
 void __init dm365_init(void)
 {
         davinci_common_init(&davinci_soc_info_dm365);