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authorMagnus Damm <damm@igel.co.jp>2008-07-28 06:07:04 -0400
committerPaul Mundt <lethal@linux-sh.org>2008-07-28 06:08:19 -0400
commit6968980a1bc0ba56dd8ef21c14577af3f2f9992b (patch)
tree681365bd68cde06a654915bdb1814447c9ee7bca /arch/sh
parent1765534c23596794385f309609c09642f33846e4 (diff)
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/sh')
-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 333b15cd7952..db4e37d9c5b2 100644
--- a/arch/sh/boards/renesas/ap325rxa/setup.c
+++ b/arch/sh/boards/renesas/ap325rxa/setup.c
@@ -16,7 +16,10 @@
16#include <linux/mtd/physmap.h> 16#include <linux/mtd/physmap.h>
17#include <linux/delay.h> 17#include <linux/delay.h>
18#include <linux/i2c.h> 18#include <linux/i2c.h>
19#include <linux/delay.h>
20#include <asm/sh_mobile_lcdc.h>
19#include <asm/io.h> 21#include <asm/io.h>
22#include <asm/clock.h>
20 23
21static struct resource smc9118_resources[] = { 24static struct resource smc9118_resources[] = {
22 [0] = { 25 [0] = {
@@ -79,9 +82,77 @@ static struct platform_device ap325rxa_nor_flash_device = {
79 }, 82 },
80}; 83};
81 84
85#define FPGA_LCDREG 0xB4100180
86#define FPGA_BKLREG 0xB4100212
87#define FPGA_LCDREG_VAL 0x0018
88#define PORT_PHCR 0xA405010E
89#define PORT_PLCR 0xA4050114
90#define PORT_PMCR 0xA4050116
91#define PORT_PRCR 0xA405011C
92#define PORT_HIZCRA 0xA4050158
93#define PORT_PSCR 0xA405011E
94#define PORT_PSDR 0xA405013E
95
96static void ap320_wvga_power_on(void *board_data)
97{
98 msleep(100);
99
100 /* ASD AP-320/325 LCD ON */
101 ctrl_outw(FPGA_LCDREG_VAL, FPGA_LCDREG);
102
103 /* backlight */
104 ctrl_outw((ctrl_inw(PORT_PSCR) & ~0x00C0) | 0x40, PORT_PSCR);
105 ctrl_outb(ctrl_inb(PORT_PSDR) & ~0x08, PORT_PSDR);
106 ctrl_outw(0x100, FPGA_BKLREG);
107}
108
109static struct sh_mobile_lcdc_info lcdc_info = {
110 .clock_source = LCDC_CLK_EXTERNAL,
111 .ch[0] = {
112 .chan = LCDC_CHAN_MAINLCD,
113 .bpp = 16,
114 .interface_type = RGB18,
115 .clock_divider = 1,
116 .lcd_cfg = {
117 .name = "LB070WV1",
118 .xres = 800,
119 .yres = 480,
120 .left_margin = 40,
121 .right_margin = 160,
122 .hsync_len = 8,
123 .upper_margin = 63,
124 .lower_margin = 80,
125 .vsync_len = 1,
126 .sync = 0, /* hsync and vsync are active low */
127 },
128 .board_cfg = {
129 .display_on = ap320_wvga_power_on,
130 },
131 }
132};
133
134static struct resource lcdc_resources[] = {
135 [0] = {
136 .name = "LCDC",
137 .start = 0xfe940000, /* P4-only space */
138 .end = 0xfe941fff,
139 .flags = IORESOURCE_MEM,
140 },
141};
142
143static struct platform_device lcdc_device = {
144 .name = "sh_mobile_lcdc_fb",
145 .num_resources = ARRAY_SIZE(lcdc_resources),
146 .resource = lcdc_resources,
147 .dev = {
148 .platform_data = &lcdc_info,
149 },
150};
151
82static struct platform_device *ap325rxa_devices[] __initdata = { 152static struct platform_device *ap325rxa_devices[] __initdata = {
83 &smc9118_device, 153 &smc9118_device,
84 &ap325rxa_nor_flash_device 154 &ap325rxa_nor_flash_device,
155 &lcdc_device,
85}; 156};
86 157
87static struct i2c_board_info __initdata ap325rxa_i2c_devices[] = { 158static struct i2c_board_info __initdata ap325rxa_i2c_devices[] = {
@@ -89,6 +160,8 @@ static struct i2c_board_info __initdata ap325rxa_i2c_devices[] = {
89 160
90static int __init ap325rxa_devices_setup(void) 161static int __init ap325rxa_devices_setup(void)
91{ 162{
163 clk_always_enable("mstp200"); /* LCDC */
164
92 i2c_register_board_info(0, ap325rxa_i2c_devices, 165 i2c_register_board_info(0, ap325rxa_i2c_devices,
93 ARRAY_SIZE(ap325rxa_i2c_devices)); 166 ARRAY_SIZE(ap325rxa_i2c_devices));
94 167
@@ -99,6 +172,12 @@ device_initcall(ap325rxa_devices_setup);
99 172
100static void __init ap325rxa_setup(char **cmdline_p) 173static void __init ap325rxa_setup(char **cmdline_p)
101{ 174{
175 /* LCDC configuration */
176 ctrl_outw(ctrl_inw(PORT_PHCR) & ~0xffff, PORT_PHCR);
177 ctrl_outw(ctrl_inw(PORT_PLCR) & ~0xffff, PORT_PLCR);
178 ctrl_outw(ctrl_inw(PORT_PMCR) & ~0xffff, PORT_PMCR);
179 ctrl_outw(ctrl_inw(PORT_PRCR) & ~0x03ff, PORT_PRCR);
180 ctrl_outw(ctrl_inw(PORT_HIZCRA) & ~0x01C0, PORT_HIZCRA);
102} 181}
103 182
104static struct sh_machine_vector mv_ap325rxa __initmv = { 183static struct sh_machine_vector mv_ap325rxa __initmv = {