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authorMagnus Damm <damm@igel.co.jp>2008-07-28 19:07:04 +0900
committerPaul Mundt <lethal@linux-sh.org>2008-07-28 19:08:19 +0900
commit6968980a1bc0ba56dd8ef21c14577af3f2f9992b (patch)
tree681365bd68cde06a654915bdb1814447c9ee7bca /arch
parent1765534c23596794385f309609c09642f33846e4 (diff)
downloadop-kernel-dev-6968980a1bc0ba56dd8ef21c14577af3f2f9992b.zip
op-kernel-dev-6968980a1bc0ba56dd8ef21c14577af3f2f9992b.tar.gz
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/sh/boards/renesas/ap325rxa/setup.c81
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 333b15c..db4e37d 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 = {
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