From: Miguel Aguilar <miguel.aguilar@xxxxxxxxxxxx>
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@xxxxxxxxxxxx>
---
arch/arm/mach-davinci/board-dm365-evm.c | 54 ++++++++++++++++++++++++++++
arch/arm/mach-davinci/dm365.c | 32 ++++++++++++++++-
arch/arm/mach-davinci/include/mach/dm365.h | 5 +++
arch/arm/mach-davinci/include/mach/mux.h | 4 +-
4 files changed, 92 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index 77f815c..1d1add7 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -38,6 +38,7 @@
#include <mach/common.h>
#include <mach/mmc.h>
#include <mach/nand.h>
+#include <mach/keyscan.h>
static inline int have_imager(void)
@@ -197,6 +198,55 @@ static struct davinci_i2c_platform_data i2c_pdata = {
.bus_delay = 0 /* usec */,
};
+/* Masks for the various keys on the DM365 EVM */
+#define KEY_DM365_KEY2 0
+#define KEY_DM365_LEFT 1
+#define KEY_DM365_EXIT 2
+#define KEY_DM365_DOWN 3
+#define KEY_DM365_ENTER 4
+#define KEY_DM365_UP 5
+#define KEY_DM365_KEY1 6
+#define KEY_DM365_RIGHT 7
+#define KEY_DM365_MENU 8
+#define KEY_DM365_REC 9
+#define KEY_DM365_REW 10
+#define KEY_DM365_SKIPMINUS 11
+#define KEY_DM365_STOP 12
+#define KEY_DM365_FF 13
+#define KEY_DM365_SKIPPLUL 14
+#define KEY_DM365_PLAYPAUSE 15
+
+#ifdef CONFIG_KEYBOARD_DAVINCI
+static unsigned short dm365evm_keymap[] = {
+ KEY_DM365_KEY2,
+ KEY_DM365_LEFT,
+ KEY_DM365_EXIT,
+ KEY_DM365_DOWN,
+ KEY_DM365_ENTER,
+ KEY_DM365_UP,
+ KEY_DM365_KEY1,
+ KEY_DM365_RIGHT,
+ KEY_DM365_MENU,
+ KEY_DM365_REC,
+ KEY_DM365_REW,
+ KEY_DM365_SKIPMINUS,
+ KEY_DM365_STOP,
+ KEY_DM365_FF,
+ KEY_DM365_SKIPPLUL,
+ KEY_DM365_PLAYPAUSE,
+ 0
+};
+
+static struct davinci_ks_platform_data dm365evm_ks_data = {
+ .keymap = dm365evm_keymap,
+ .keymapsize = ARRAY_SIZE(dm365evm_keymap),
+ .rep = 1,
+ /* Scan period = strobe + interval */
+ .strobe = 0x5,
+ .interval = 0x2,
+};
+#endif
+
static int cpld_mmc_get_cd(int module)
{
if (!cpld)
@@ -483,6 +533,10 @@ static __init void dm365_evm_init(void)
evm_init_cpld();
dm365_init_asp(&dm365_evm_snd_data);
+
+#ifdef CONFIG_KEYBOARD_DAVINCI
+ dm365_init_ks(&dm365evm_ks_data);
+#endif
}
static __init void dm365_evm_irq_init(void)
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index 2674438..3eda695 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -33,6 +33,7 @@
#include <mach/serial.h>
#include <mach/common.h>
#include <mach/asp.h>
+#include <mach/keyscan.h>
#include "clock.h"
#include "mux.h"
@@ -532,7 +533,7 @@ 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)
@@ -851,6 +852,28 @@ 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[] = {
{
@@ -950,6 +973,13 @@ 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);
diff --git a/arch/arm/mach-davinci/include/mach/dm365.h b/arch/arm/mach-davinci/include/mach/dm365.h
index 2291c0d..d8d988a 100644
--- a/arch/arm/mach-davinci/include/mach/dm365.h
+++ b/arch/arm/mach-davinci/include/mach/dm365.h
@@ -17,6 +17,7 @@
#include <mach/hardware.h>
#include <mach/emac.h>
#include <mach/asp.h>
+#include <mach/keyscan.h>
#define DM365_EMAC_BASE (0x01D07000)
#define DM365_EMAC_CNTRL_OFFSET (0x0000)
@@ -25,7 +26,11 @@
#define DM365_EMAC_MDIO_OFFSET (0x4000)
#define DM365_EMAC_CNTRL_RAM_SIZE (0x2000)
+/* Base of key scan register bank */
+#define DM365_KEYSCAN_BASE (0x01C69400)
+
void __init dm365_init(void);
void __init dm365_init_asp(struct snd_platform_data *pdata);
+void __init dm365_init_ks(struct davinci_ks_platform_data *pdata);
#endif /* __ASM_ARCH_DM365_H */
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index fc8eb16..a063f99 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -228,8 +228,8 @@ enum davinci_dm365_index {
DM365_EMAC_MDIO,
DM365_EMAC_MDCLK,
- /* Keypad */
- DM365_KEYPAD,
+ /* Key Scan */
+ DM365_KEYSCAN,
/* PWM */
DM365_PWM0,
--
1.6.0.4
--
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