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ARM: mxs/mx23evk: add framebuffer device

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Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Shawn Guo 2011-03-06 00:40:22 +08:00 committed by Sascha Hauer
parent 122eb10392
commit b73d77b2b7
2 changed files with 80 additions and 0 deletions
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1
arch/arm/mach-mxs/Kconfig
View File

@ -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

79
arch/arm/mach-mxs/mach-mx23evk.c
View File

@ -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)