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Commit b73d77b2 authored by Shawn Guo's avatar Shawn Guo Committed by Sascha Hauer
Browse files

ARM: mxs/mx23evk: add framebuffer device 



Signed-off-by: default avatarShawn Guo <shawn.guo@freescale.com>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 122eb103

arch/arm/mach-mxs/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ config MACH_MX23EVK 
	select SOC_IMX23

	select MXS_HAVE_AMBA_DUART

	select MXS_HAVE_PLATFORM_AUART

	select MXS_HAVE_PLATFORM_MXSFB

	default y

	help

	  Include support for MX23EVK platform. This includes specific

arch/arm/mach-mxs/mach-mx23evk.c

+79 −0
Original line number Diff line number Diff line
@@ -26,6 +26,9 @@ 


#include "devices-mx23.h"



#define MX23EVK_LCD_ENABLE	MXS_GPIO_NR(1, 18)

#define MX23EVK_BL_ENABLE	MXS_GPIO_NR(1, 28)



static const iomux_cfg_t mx23evk_pads[] __initconst = {

	/* duart */

	MX23_PAD_PWM0__DUART_RX | MXS_PAD_CTRL,
@@ -36,14 +39,90 @@ static const iomux_cfg_t mx23evk_pads[] __initconst = { 
	MX23_PAD_AUART1_TX__AUART1_TX | MXS_PAD_CTRL,

	MX23_PAD_AUART1_CTS__AUART1_CTS | MXS_PAD_CTRL,

	MX23_PAD_AUART1_RTS__AUART1_RTS | MXS_PAD_CTRL,



	/* mxsfb (lcdif) */

	MX23_PAD_LCD_D00__LCD_D00 | MXS_PAD_CTRL,

	MX23_PAD_LCD_D01__LCD_D01 | MXS_PAD_CTRL,

	MX23_PAD_LCD_D02__LCD_D02 | MXS_PAD_CTRL,

	MX23_PAD_LCD_D03__LCD_D03 | MXS_PAD_CTRL,

	MX23_PAD_LCD_D04__LCD_D04 | MXS_PAD_CTRL,

	MX23_PAD_LCD_D05__LCD_D05 | MXS_PAD_CTRL,

	MX23_PAD_LCD_D06__LCD_D06 | MXS_PAD_CTRL,

	MX23_PAD_LCD_D07__LCD_D07 | MXS_PAD_CTRL,

	MX23_PAD_LCD_D08__LCD_D08 | MXS_PAD_CTRL,

	MX23_PAD_LCD_D09__LCD_D09 | MXS_PAD_CTRL,

	MX23_PAD_LCD_D10__LCD_D10 | MXS_PAD_CTRL,

	MX23_PAD_LCD_D11__LCD_D11 | MXS_PAD_CTRL,

	MX23_PAD_LCD_D12__LCD_D12 | MXS_PAD_CTRL,

	MX23_PAD_LCD_D13__LCD_D13 | MXS_PAD_CTRL,

	MX23_PAD_LCD_D14__LCD_D14 | MXS_PAD_CTRL,

	MX23_PAD_LCD_D15__LCD_D15 | MXS_PAD_CTRL,

	MX23_PAD_LCD_D16__LCD_D16 | MXS_PAD_CTRL,

	MX23_PAD_LCD_D17__LCD_D17 | MXS_PAD_CTRL,

	MX23_PAD_GPMI_D08__LCD_D18 | MXS_PAD_CTRL,

	MX23_PAD_GPMI_D09__LCD_D19 | MXS_PAD_CTRL,

	MX23_PAD_GPMI_D10__LCD_D20 | MXS_PAD_CTRL,

	MX23_PAD_GPMI_D11__LCD_D21 | MXS_PAD_CTRL,

	MX23_PAD_GPMI_D12__LCD_D22 | MXS_PAD_CTRL,

	MX23_PAD_GPMI_D13__LCD_D23 | MXS_PAD_CTRL,

	MX23_PAD_LCD_VSYNC__LCD_VSYNC | MXS_PAD_CTRL,

	MX23_PAD_LCD_HSYNC__LCD_HSYNC | MXS_PAD_CTRL,

	MX23_PAD_LCD_DOTCK__LCD_DOTCK | MXS_PAD_CTRL,

	MX23_PAD_LCD_ENABLE__LCD_ENABLE | MXS_PAD_CTRL,

	/* LCD panel enable */

	MX23_PAD_LCD_RESET__GPIO_1_18 | MXS_PAD_CTRL,

	/* backlight control */

	MX23_PAD_PWM2__GPIO_1_28 | MXS_PAD_CTRL,

};



/* mxsfb (lcdif) */

static struct fb_videomode mx23evk_video_modes[] = {

	{

		.name		= "Samsung-LMS430HF02",

		.refresh	= 60,

		.xres		= 480,

		.yres		= 272,

		.pixclock	= 108096, /* picosecond (9.2 MHz) */

		.left_margin	= 15,

		.right_margin	= 8,

		.upper_margin	= 12,

		.lower_margin	= 4,

		.hsync_len	= 1,

		.vsync_len	= 1,

		.sync		= FB_SYNC_DATA_ENABLE_HIGH_ACT |

				  FB_SYNC_DOTCLK_FAILING_ACT,

	},

};



static const struct mxsfb_platform_data mx23evk_mxsfb_pdata __initconst = {

	.mode_list	= mx23evk_video_modes,

	.mode_count	= ARRAY_SIZE(mx23evk_video_modes),

	.default_bpp	= 32,

	.ld_intf_width	= STMLCDIF_24BIT,

};



static void __init mx23evk_init(void)

{

	int ret;



	mxs_iomux_setup_multiple_pads(mx23evk_pads, ARRAY_SIZE(mx23evk_pads));



	mx23_add_duart();

	mx23_add_auart0();



	ret = gpio_request_one(MX23EVK_LCD_ENABLE, GPIOF_DIR_OUT, "lcd-enable");

	if (ret)

		pr_warn("failed to request gpio lcd-enable: %d\n", ret);

	else

		gpio_set_value(MX23EVK_LCD_ENABLE, 1);



	ret = gpio_request_one(MX23EVK_BL_ENABLE, GPIOF_DIR_OUT, "bl-enable");

	if (ret)

		pr_warn("failed to request gpio bl-enable: %d\n", ret);

	else

		gpio_set_value(MX23EVK_BL_ENABLE, 1);



	mx23_add_mxsfb(&mx23evk_mxsfb_pdata);

}



static void __init mx23evk_timer_init(void)