sh: SuperH Mobile LCDC platform data for AP325RXA

Add LCD panel platform data for the AP325RXA board.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 80 insertions, 1 deletions

diff --git a/arch/sh/boards/renesas/ap325rxa/setup.c b/arch/sh/boards/renesas/ap325rxa/setup.c
index 333b15cd7952..db4e37d9c5b2 100644
--- a/arch/sh/boards/renesas/ap325rxa/setup.c
+++ b/arch/sh/boards/renesas/ap325rxa/setup.c
@@ -16,7 +16,10 @@
 #include <linux/mtd/physmap.h>
 #include <linux/delay.h>
 #include <linux/i2c.h>
+#include <linux/delay.h>
+#include <asm/sh_mobile_lcdc.h>
 #include <asm/io.h>
+#include <asm/clock.h>
 
 static struct resource smc9118_resources[] = {
         [0] = {
@@ -79,9 +82,77 @@ static struct platform_device ap325rxa_nor_flash_device = {
         },
 };
 
+#define FPGA_LCDREG     0xB4100180
+#define FPGA_BKLREG     0xB4100212
+#define FPGA_LCDREG_VAL 0x0018
+#define PORT_PHCR       0xA405010E
+#define PORT_PLCR       0xA4050114
+#define PORT_PMCR       0xA4050116
+#define PORT_PRCR       0xA405011C
+#define PORT_HIZCRA     0xA4050158
+#define PORT_PSCR       0xA405011E
+#define PORT_PSDR       0xA405013E
+
+static void ap320_wvga_power_on(void *board_data)
+{
+        msleep(100);
+
+        /* ASD AP-320/325 LCD ON */
+        ctrl_outw(FPGA_LCDREG_VAL, FPGA_LCDREG);
+
+        /* backlight */
+        ctrl_outw((ctrl_inw(PORT_PSCR) & ~0x00C0) | 0x40, PORT_PSCR);
+        ctrl_outb(ctrl_inb(PORT_PSDR) & ~0x08, PORT_PSDR);
+        ctrl_outw(0x100, FPGA_BKLREG);
+}
+
+static struct sh_mobile_lcdc_info lcdc_info = {
+        .clock_source = LCDC_CLK_EXTERNAL,
+        .ch[0] = {
+                .chan = LCDC_CHAN_MAINLCD,
+                .bpp = 16,
+                .interface_type = RGB18,
+                .clock_divider = 1,
+                .lcd_cfg = {
+                        .name = "LB070WV1",
+                        .xres = 800,
+                        .yres = 480,
+                        .left_margin = 40,
+                        .right_margin = 160,
+                        .hsync_len = 8,
+                        .upper_margin = 63,
+                        .lower_margin = 80,
+                        .vsync_len = 1,
+                        .sync = 0, /* hsync and vsync are active low */
+                },
+                .board_cfg = {
+                        .display_on = ap320_wvga_power_on,
+                },
+        }
+};
+
+static struct resource lcdc_resources[] = {
+        [0] = {
+                .name   = "LCDC",
+                .start  = 0xfe940000, /* P4-only space */
+                .end    = 0xfe941fff,
+                .flags  = IORESOURCE_MEM,
+        },
+};
+
+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,
+        },
+};
+
 static struct platform_device *ap325rxa_devices[] __initdata = {
         &smc9118_device,
-        &ap325rxa_nor_flash_device
+        &ap325rxa_nor_flash_device,
+        &lcdc_device,
 };
 
 static struct i2c_board_info __initdata ap325rxa_i2c_devices[] = {
@@ -89,6 +160,8 @@ static struct i2c_board_info __initdata ap325rxa_i2c_devices[] = {
 
 static int __init ap325rxa_devices_setup(void)
 {
+        clk_always_enable("mstp200"); /* LCDC */
+
         i2c_register_board_info(0, ap325rxa_i2c_devices,
                                 ARRAY_SIZE(ap325rxa_i2c_devices));
  
@@ -99,6 +172,12 @@ device_initcall(ap325rxa_devices_setup);
 
 static void __init ap325rxa_setup(char **cmdline_p)
 {
+        /* LCDC configuration */
+        ctrl_outw(ctrl_inw(PORT_PHCR) & ~0xffff, PORT_PHCR);
+        ctrl_outw(ctrl_inw(PORT_PLCR) & ~0xffff, PORT_PLCR);
+        ctrl_outw(ctrl_inw(PORT_PMCR) & ~0xffff, PORT_PMCR);
+        ctrl_outw(ctrl_inw(PORT_PRCR) & ~0x03ff, PORT_PRCR);
+        ctrl_outw(ctrl_inw(PORT_HIZCRA) & ~0x01C0, PORT_HIZCRA);
 }
 
 static struct sh_machine_vector mv_ap325rxa __initmv = {