sh: add Video Output Unit (VOU) and AK8813 TV-encoder support to ms7724se

Add platform bindings, GPIO initialisation and allocation and AK8813 reset code
to ms7724se.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 82 insertions, 8 deletions

diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index e74ae7b0d8bf..60f0387a69d1 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -515,6 +515,52 @@ static struct platform_device irda_device = {
         .resource       = irda_resources,
 };
 
+#include <media/ak881x.h>
+#include <media/sh_vou.h>
+
+struct ak881x_pdata ak881x_pdata = {
+        .flags = AK881X_IF_MODE_SLAVE,
+};
+
+static struct i2c_board_info ak8813 = {
+        /* With open J18 jumper address is 0x21 */
+        I2C_BOARD_INFO("ak8813", 0x20),
+        .platform_data = &ak881x_pdata,
+};
+
+struct sh_vou_pdata sh_vou_pdata = {
+        .bus_fmt        = SH_VOU_BUS_8BIT,
+        .flags          = SH_VOU_HSYNC_LOW | SH_VOU_VSYNC_LOW,
+        .board_info     = &ak8813,
+        .i2c_adap       = 0,
+        .module_name    = "ak881x",
+};
+
+static struct resource sh_vou_resources[] = {
+        [0] = {
+                .start  = 0xfe960000,
+                .end    = 0xfe962043,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = 55,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device vou_device = {
+        .name           = "sh-vou",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(sh_vou_resources),
+        .resource       = sh_vou_resources,
+        .dev            = {
+                .platform_data  = &sh_vou_pdata,
+        },
+        .archdata       = {
+                .hwblk_id       = HWBLK_VOU,
+        },
+};
+
 static struct platform_device *ms7724se_devices[] __initdata = {
         &heartbeat_device,
         &smc91x_eth_device,
@@ -530,6 +576,7 @@ static struct platform_device *ms7724se_devices[] __initdata = {
         &sdhi0_cn7_device,
         &sdhi1_cn8_device,
         &irda_device,
+        &vou_device,
 };
 
 /* I2C device */
@@ -614,6 +661,7 @@ static int __init devices_setup(void)
 {
         u16 sw = __raw_readw(SW4140); /* select camera, monitor */
         struct clk *clk;
+        u16 fpga_out;
 
         /* register board specific self-refresh code */
         sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF |
@@ -623,14 +671,26 @@ static int __init devices_setup(void)
                                         &ms7724se_sdram_leave_start,
                                         &ms7724se_sdram_leave_end);
         /* Reset Release */
-        __raw_writew(__raw_readw(FPGA_OUT) &
-                  ~((1 << 1)  | /* LAN */
-                    (1 << 6)  | /* VIDEO DAC */
-                    (1 << 7)  | /* AK4643 */
-                    (1 << 8)  | /* IrDA */
-                    (1 << 12) | /* USB0 */
-                    (1 << 14)), /* RMII */
-                  FPGA_OUT);
+        fpga_out = __raw_readw(FPGA_OUT);
+        /* bit4: NTSC_PDN, bit5: NTSC_RESET */
+        fpga_out &= ~((1 << 1)  | /* LAN */
+                      (1 << 4)  | /* AK8813 PDN */
+                      (1 << 5)  | /* AK8813 RESET */
+                      (1 << 6)  | /* VIDEO DAC */
+                      (1 << 7)  | /* AK4643 */
+                      (1 << 8)  | /* IrDA */
+                      (1 << 12) | /* USB0 */
+                      (1 << 14)); /* RMII */
+        __raw_writew(fpga_out | (1 << 4), FPGA_OUT);
+
+        udelay(10);
+
+        /* AK8813 RESET */
+        __raw_writew(fpga_out | (1 << 5), FPGA_OUT);
+
+        udelay(10);
+
+        __raw_writew(fpga_out, FPGA_OUT);
 
         /* turn on USB clocks, use external clock */
         __raw_writew((__raw_readw(PORT_MSELCRB) & ~0xc000) | 0x8000, PORT_MSELCRB);
@@ -862,6 +922,20 @@ static int __init devices_setup(void)
                 lcdc_info.ch[0].flags          = LCDC_FLAGS_DWPOL;
         }
 
+        /* VOU */
+        gpio_request(GPIO_FN_DV_D15, NULL);
+        gpio_request(GPIO_FN_DV_D14, NULL);
+        gpio_request(GPIO_FN_DV_D13, NULL);
+        gpio_request(GPIO_FN_DV_D12, NULL);
+        gpio_request(GPIO_FN_DV_D11, NULL);
+        gpio_request(GPIO_FN_DV_D10, NULL);
+        gpio_request(GPIO_FN_DV_D9, NULL);
+        gpio_request(GPIO_FN_DV_D8, NULL);
+        gpio_request(GPIO_FN_DV_CLKI, NULL);
+        gpio_request(GPIO_FN_DV_CLK, NULL);
+        gpio_request(GPIO_FN_DV_VSYNC, NULL);
+        gpio_request(GPIO_FN_DV_HSYNC, NULL);
+
         return platform_add_devices(ms7724se_devices,
                                     ARRAY_SIZE(ms7724se_devices));
 }