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Commit 74a014f4 authored by Zhou Zhu's avatar Zhou Zhu Committed by Linus Torvalds
Browse files

ARM: mmp: enable display in ttc_dkb 



Enable display in ttc_dkb.

Signed-off-by: default avatarZhou Zhu <zzhu3@marvell.com>
Acked-by: default avatarHaojian 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 333893cd

arch/arm/mach-mmp/ttc_dkb.c

+92 −0
Original line number Diff line number Diff line
@@ -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")