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ARM: mmp: enable display in ttc_dkb

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Enable display in ttc_dkb.

Signed-off-by: Zhou Zhu <zzhu3@marvell.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Lisa Du <cldu@marvell.com>
Cc: Guoqing Li <ligq@marvell.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Zhou Zhu 2013-02-21 16:42:21 -08:00 committed by Linus Torvalds
parent 333893cd09
commit 74a014f471
1 changed files with 92 additions and 0 deletions
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92
arch/arm/mach-mmp/ttc_dkb.c
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@ -19,6 +19,8 @@
#include <linux/gpio.h>
#include <linux/mfd/88pm860x.h>
#include <linux/platform_data/mv_usb.h>
#include <linux/spi/spi.h>
#include <linux/delay.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@ -184,6 +186,92 @@ static struct pxa3xx_nand_platform_data dkb_nand_info = {
};
#endif
#ifdef CONFIG_MMP_DISP
/* path config */
#define CFG_IOPADMODE(iopad) (iopad) /* 0x0 ~ 0xd */
#define SCLK_SOURCE_SELECT(x) (x << 30) /* 0x0 ~ 0x3 */
/* link config */
#define CFG_DUMBMODE(mode) (mode << 28) /* 0x0 ~ 0x6*/
#define CFG_GRA_SWAPRB(x) (x << 0) /* 1: rbswap enabled */
static struct mmp_mach_path_config dkb_disp_config[] = {
[0] = {
.name = "mmp-parallel",
.overlay_num = 2,
.output_type = PATH_OUT_PARALLEL,
.path_config = CFG_IOPADMODE(0x1)
| SCLK_SOURCE_SELECT(0x1),
.link_config = CFG_DUMBMODE(0x2)
| CFG_GRA_SWAPRB(0x1),
},
};
static struct mmp_mach_plat_info dkb_disp_info = {
.name = "mmp-disp",
.clk_name = "disp0",
.path_num = 1,
.paths = dkb_disp_config,
};
static struct mmp_buffer_driver_mach_info dkb_fb_info = {
.name = "mmp-fb",
.path_name = "mmp-parallel",
.overlay_id = 0,
.dmafetch_id = 1,
.default_pixfmt = PIXFMT_RGB565,
};
static void dkb_tpo_panel_power(int on)
{
int err;
u32 spi_reset = mfp_to_gpio(MFP_PIN_GPIO106);
if (on) {
err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET");
if (err) {
pr_err("failed to request GPIO for TPO LCD RESET\n");
return;
}
gpio_direction_output(spi_reset, 0);
udelay(100);
gpio_set_value(spi_reset, 1);
gpio_free(spi_reset);
} else {
err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET");
if (err) {
pr_err("failed to request LCD RESET gpio\n");
return;
}
gpio_set_value(spi_reset, 0);
gpio_free(spi_reset);
}
}
static struct mmp_mach_panel_info dkb_tpo_panel_info = {
.name = "tpo-hvga",
.plat_path_name = "mmp-parallel",
.plat_set_onoff = dkb_tpo_panel_power,
};
static struct spi_board_info spi_board_info[] __initdata = {
{
.modalias = "tpo-hvga",
.platform_data = &dkb_tpo_panel_info,
.bus_num = 5,
}
};
static void __init add_disp(void)
{
pxa_register_device(&pxa910_device_disp,
&dkb_disp_info, sizeof(dkb_disp_info));
spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
pxa_register_device(&pxa910_device_fb,
&dkb_fb_info, sizeof(dkb_fb_info));
pxa_register_device(&pxa910_device_panel,
&dkb_tpo_panel_info, sizeof(dkb_tpo_panel_info));
}
#endif
static void __init ttc_dkb_init(void)
{
mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config));
@ -212,6 +300,10 @@ static void __init ttc_dkb_init(void)
pxa168_device_u2ootg.dev.platform_data = &ttc_usb_pdata;
platform_device_register(&pxa168_device_u2ootg);
#endif
#ifdef CONFIG_MMP_DISP
add_disp();
#endif
}
MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")