ARM: mach-shmobile: AG5EVM LCDC / MIPI-DSI platform data

Add platform data for MIPI-DSI and LCDC on the AG5EVM
board. The sh73a0 clkdev bindings are also updated.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 152 insertions, 2 deletions

diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c
index fb94162382e2..2123b96b5638 100644
--- a/arch/arm/mach-shmobile/board-ag5evm.c
+++ b/arch/arm/mach-shmobile/board-ag5evm.c
@@ -34,9 +34,10 @@
 #include <linux/input/sh_keysc.h>
 #include <linux/mmc/host.h>
 #include <linux/mmc/sh_mmcif.h>
-
+#include <linux/sh_clk.h>
+#include <video/sh_mobile_lcdc.h>
+#include <video/sh_mipi_dsi.h>
 #include <sound/sh_fsi.h>
-
 #include <mach/hardware.h>
 #include <mach/sh73a0.h>
 #include <mach/common.h>
@@ -203,12 +204,145 @@ static struct platform_device irda_device = {
         .num_resources  = ARRAY_SIZE(irda_resources),
 };
 
+static unsigned char lcd_backlight_seq[3][2] = {
+        { 0x04, 0x07 },
+        { 0x23, 0x80 },
+        { 0x03, 0x01 },
+};
+
+static void lcd_backlight_on(void)
+{
+        struct i2c_adapter *a;
+        struct i2c_msg msg;
+        int k;
+
+        a = i2c_get_adapter(1);
+        for (k = 0; a && k < 3; k++) {
+                msg.addr = 0x6d;
+                msg.buf = &lcd_backlight_seq[k][0];
+                msg.len = 2;
+                msg.flags = 0;
+                if (i2c_transfer(a, &msg, 1) != 1)
+                        break;
+        }
+}
+
+static void lcd_backlight_reset(void)
+{
+        gpio_set_value(GPIO_PORT235, 0);
+        mdelay(24);
+        gpio_set_value(GPIO_PORT235, 1);
+}
+
+static void lcd_on(void *board_data, struct fb_info *info)
+{
+        lcd_backlight_on();
+}
+
+static void lcd_off(void *board_data)
+{
+        lcd_backlight_reset();
+}
+
+/* LCDC0 */
+static const struct fb_videomode lcdc0_modes[] = {
+        {
+                .name           = "R63302(QHD)",
+                .xres           = 544,
+                .yres           = 961,
+                .left_margin    = 72,
+                .right_margin   = 600,
+                .hsync_len      = 16,
+                .upper_margin   = 8,
+                .lower_margin   = 8,
+                .vsync_len      = 2,
+                .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
+        },
+};
+
+static struct sh_mobile_lcdc_info lcdc0_info = {
+        .clock_source = LCDC_CLK_PERIPHERAL,
+        .ch[0] = {
+                .chan = LCDC_CHAN_MAINLCD,
+                .interface_type = RGB24,
+                .clock_divider = 1,
+                .flags = LCDC_FLAGS_DWPOL,
+                .lcd_size_cfg.width = 44,
+                .lcd_size_cfg.height = 79,
+                .bpp = 16,
+                .lcd_cfg = lcdc0_modes,
+                .num_cfg = ARRAY_SIZE(lcdc0_modes),
+                .board_cfg = {
+                        .display_on = lcd_on,
+                        .display_off = lcd_off,
+                },
+        }
+};
+
+static struct resource lcdc0_resources[] = {
+        [0] = {
+                .name   = "LCDC0",
+                .start  = 0xfe940000, /* P4-only space */
+                .end    = 0xfe943fff,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = intcs_evt2irq(0x580),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device lcdc0_device = {
+        .name           = "sh_mobile_lcdc_fb",
+        .num_resources  = ARRAY_SIZE(lcdc0_resources),
+        .resource       = lcdc0_resources,
+        .id             = 0,
+        .dev    = {
+                .platform_data  = &lcdc0_info,
+                .coherent_dma_mask = ~0,
+        },
+};
+
+/* MIPI-DSI */
+static struct resource mipidsi0_resources[] = {
+        [0] = {
+                .start  = 0xfeab0000,
+                .end    = 0xfeab3fff,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = 0xfeab4000,
+                .end    = 0xfeab7fff,
+                .flags  = IORESOURCE_MEM,
+        },
+};
+
+static struct sh_mipi_dsi_info mipidsi0_info = {
+        .data_format    = MIPI_RGB888,
+        .lcd_chan       = &lcdc0_info.ch[0],
+        .vsynw_offset   = 20,
+        .clksrc         = 1,
+        .flags          = SH_MIPI_DSI_HSABM,
+};
+
+static struct platform_device mipidsi0_device = {
+        .name           = "sh-mipi-dsi",
+        .num_resources  = ARRAY_SIZE(mipidsi0_resources),
+        .resource       = mipidsi0_resources,
+        .id             = 0,
+        .dev    = {
+                .platform_data  = &mipidsi0_info,
+        },
+};
+
 static struct platform_device *ag5evm_devices[] __initdata = {
         &eth_device,
         &keysc_device,
         &fsi_device,
         &mmc_device,
         &irda_device,
+        &lcdc0_device,
+        &mipidsi0_device,
 };
 
 static struct map_desc ag5evm_io_desc[] __initdata = {
@@ -245,6 +379,8 @@ void __init ag5evm_init_irq(void)
         __raw_writew(__raw_readw(PINTCR0A) | (2<<10), PINTCR0A);
 }
 
+#define DSI0PHYCR       0xe615006c
+
 static void __init ag5evm_init(void)
 {
         sh73a0_pinmux_init();
@@ -313,6 +449,20 @@ static void __init ag5evm_init(void)
         gpio_request(GPIO_FN_PORT242_IRDA_IN,  NULL);
         gpio_request(GPIO_FN_PORT243_IRDA_FIRSEL, NULL);
 
+        /* LCD panel */
+        gpio_request(GPIO_PORT217, NULL); /* RESET */
+        gpio_direction_output(GPIO_PORT217, 0);
+        mdelay(1);
+        gpio_set_value(GPIO_PORT217, 1);
+
+        /* LCD backlight controller */
+        gpio_request(GPIO_PORT235, NULL); /* RESET */
+        gpio_direction_output(GPIO_PORT235, 0);
+        lcd_backlight_reset();
+
+        /* MIPI-DSI clock setup */
+        __raw_writel(0x2a809010, DSI0PHYCR);
+
 #ifdef CONFIG_CACHE_L2X0
         /* Shared attribute override enable, 64K*8way */
         l2x0_init(__io(0xf0100000), 0x00460000, 0xc2000fff);