sh: Add support LCDC for EcoVec24

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

1 files changed, 109 insertions, 0 deletions

diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 7850818bb4e8..a575b38016a4 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -17,6 +17,7 @@
 #include <linux/io.h>
 #include <linux/delay.h>
 #include <linux/usb/r8a66597.h>
+#include <video/sh_mobile_lcdc.h>
 #include <asm/heartbeat.h>
 #include <asm/sh_eth.h>
 #include <cpu/sh7724.h>
@@ -211,14 +212,60 @@ static struct platform_device usb1_host_device = {
         .resource       = usb1_host_resources,
 };
 
+/* LCDC */
+static struct sh_mobile_lcdc_info lcdc_info = {
+        .ch[0] = {
+                .interface_type = RGB18,
+                .chan = LCDC_CHAN_MAINLCD,
+                .bpp = 16,
+                .clock_divider = 1,
+                .lcd_cfg = {
+                        .sync = 0, /* hsync and vsync are active low */
+                },
+                .lcd_size_cfg = { /* 7.0 inch */
+                        .width = 152,
+                        .height = 91,
+                },
+                .board_cfg = {
+                },
+        }
+};
+
+static struct resource lcdc_resources[] = {
+        [0] = {
+                .name   = "LCDC",
+                .start  = 0xfe940000,
+                .end    = 0xfe941fff,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = 106,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device lcdc_device = {
+        .name           = "sh_mobile_lcdc_fb",
+        .num_resources  = ARRAY_SIZE(lcdc_resources),
+        .resource       = lcdc_resources,
+        .dev            = {
+                .platform_data  = &lcdc_info,
+        },
+        .archdata = {
+                .hwblk_id = HWBLK_LCDC,
+        },
+};
+
 static struct platform_device *ecovec_devices[] __initdata = {
         &heartbeat_device,
         &nor_flash_device,
         &sh_eth_device,
         &usb0_host_device,
         &usb1_host_device, /* USB1 host support */
+        &lcdc_device,
 };
 
+#define PORT_HIZA 0xA4050158
 static int __init devices_setup(void)
 {
         /* enable SCIFA0 */
@@ -262,6 +309,68 @@ static int __init devices_setup(void)
         ctrl_outw(0x0600, 0xa40501d4);
         ctrl_outw(0x0600, 0xa4050192);
 
+        /* enable LCDC */
+        gpio_request(GPIO_FN_LCDD23,   NULL);
+        gpio_request(GPIO_FN_LCDD22,   NULL);
+        gpio_request(GPIO_FN_LCDD21,   NULL);
+        gpio_request(GPIO_FN_LCDD20,   NULL);
+        gpio_request(GPIO_FN_LCDD19,   NULL);
+        gpio_request(GPIO_FN_LCDD18,   NULL);
+        gpio_request(GPIO_FN_LCDD17,   NULL);
+        gpio_request(GPIO_FN_LCDD16,   NULL);
+        gpio_request(GPIO_FN_LCDD15,   NULL);
+        gpio_request(GPIO_FN_LCDD14,   NULL);
+        gpio_request(GPIO_FN_LCDD13,   NULL);
+        gpio_request(GPIO_FN_LCDD12,   NULL);
+        gpio_request(GPIO_FN_LCDD11,   NULL);
+        gpio_request(GPIO_FN_LCDD10,   NULL);
+        gpio_request(GPIO_FN_LCDD9,    NULL);
+        gpio_request(GPIO_FN_LCDD8,    NULL);
+        gpio_request(GPIO_FN_LCDD7,    NULL);
+        gpio_request(GPIO_FN_LCDD6,    NULL);
+        gpio_request(GPIO_FN_LCDD5,    NULL);
+        gpio_request(GPIO_FN_LCDD4,    NULL);
+        gpio_request(GPIO_FN_LCDD3,    NULL);
+        gpio_request(GPIO_FN_LCDD2,    NULL);
+        gpio_request(GPIO_FN_LCDD1,    NULL);
+        gpio_request(GPIO_FN_LCDD0,    NULL);
+        gpio_request(GPIO_FN_LCDDISP,  NULL);
+        gpio_request(GPIO_FN_LCDHSYN,  NULL);
+        gpio_request(GPIO_FN_LCDDCK,   NULL);
+        gpio_request(GPIO_FN_LCDVSYN,  NULL);
+        gpio_request(GPIO_FN_LCDDON,   NULL);
+        gpio_request(GPIO_FN_LCDLCLK,  NULL);
+        ctrl_outw((ctrl_inw(PORT_HIZA) & ~0x0001), PORT_HIZA);
+
+        gpio_request(GPIO_PTE6, NULL);
+        gpio_request(GPIO_PTU1, NULL);
+        gpio_request(GPIO_PTR1, NULL);
+        gpio_request(GPIO_PTA2, NULL);
+        gpio_direction_input(GPIO_PTE6);
+        gpio_direction_output(GPIO_PTU1, 0);
+        gpio_direction_output(GPIO_PTR1, 0);
+        gpio_direction_output(GPIO_PTA2, 0);
+
+        if (gpio_get_value(GPIO_PTE6)) {
+                /* DVI */
+                lcdc_info.clock_source                  = LCDC_CLK_EXTERNAL;
+                lcdc_info.ch[0].lcd_cfg.name            = "DVI";
+                lcdc_info.ch[0].lcd_cfg.xres            = 1280;
+                lcdc_info.ch[0].lcd_cfg.yres            = 720;
+                lcdc_info.ch[0].lcd_cfg.left_margin     = 220;
+                lcdc_info.ch[0].lcd_cfg.right_margin    = 110;
+                lcdc_info.ch[0].lcd_cfg.hsync_len       = 40;
+                lcdc_info.ch[0].lcd_cfg.upper_margin    = 20;
+                lcdc_info.ch[0].lcd_cfg.lower_margin    = 5;
+                lcdc_info.ch[0].lcd_cfg.vsync_len       = 5;
+
+                gpio_set_value(GPIO_PTA2, 1);
+                gpio_set_value(GPIO_PTU1, 1);
+        } else {
+                /* Panel */
+                /* not supported */
+        }
+
         return platform_add_devices(ecovec_devices,
                                     ARRAY_SIZE(ecovec_devices));
 }