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ARM: mxs/mx28evk: add framebuffer device 

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
hifive-unleashed-5.1
Shawn Guo 2011-03-08 18:51:10 +08:00 committed by Sascha Hauer
parent 12b90f8a2c
commit 0590a79031
2 changed files with 77 additions and 0 deletions
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1
arch/arm/mach-mxs/Kconfig
View File

@ -35,6 +35,7 @@ config MACH_MX28EVK
select MXS_HAVE_PLATFORM_AUART
select MXS_HAVE_PLATFORM_FEC
select MXS_HAVE_PLATFORM_FLEXCAN
select MXS_HAVE_PLATFORM_MXSFB
select MXS_OCOTP
default y
help

76
arch/arm/mach-mxs/mach-mx28evk.c
View File

@ -30,6 +30,8 @@
#define MX28EVK_FLEXCAN_SWITCH MXS_GPIO_NR(2, 13)
#define MX28EVK_FEC_PHY_POWER MXS_GPIO_NR(2, 15)
#define MX28EVK_BL_ENABLE MXS_GPIO_NR(3, 18)
#define MX28EVK_LCD_ENABLE MXS_GPIO_NR(3, 30)
#define MX28EVK_FEC_PHY_RESET MXS_GPIO_NR(4, 13)
static const iomux_cfg_t mx28evk_pads[] __initconst = {
@ -79,6 +81,40 @@ static const iomux_cfg_t mx28evk_pads[] __initconst = {
MX28_PAD_GPMI_CE3N__CAN1_RX,
/* transceiver power control */
MX28_PAD_SSP1_CMD__GPIO_2_13,
/* mxsfb (lcdif) */
MX28_PAD_LCD_D00__LCD_D0 | MXS_PAD_CTRL,
MX28_PAD_LCD_D01__LCD_D1 | MXS_PAD_CTRL,
MX28_PAD_LCD_D02__LCD_D2 | MXS_PAD_CTRL,
MX28_PAD_LCD_D03__LCD_D3 | MXS_PAD_CTRL,
MX28_PAD_LCD_D04__LCD_D4 | MXS_PAD_CTRL,
MX28_PAD_LCD_D05__LCD_D5 | MXS_PAD_CTRL,
MX28_PAD_LCD_D06__LCD_D6 | MXS_PAD_CTRL,
MX28_PAD_LCD_D07__LCD_D7 | MXS_PAD_CTRL,
MX28_PAD_LCD_D08__LCD_D8 | MXS_PAD_CTRL,
MX28_PAD_LCD_D09__LCD_D9 | MXS_PAD_CTRL,
MX28_PAD_LCD_D10__LCD_D10 | MXS_PAD_CTRL,
MX28_PAD_LCD_D11__LCD_D11 | MXS_PAD_CTRL,
MX28_PAD_LCD_D12__LCD_D12 | MXS_PAD_CTRL,
MX28_PAD_LCD_D13__LCD_D13 | MXS_PAD_CTRL,
MX28_PAD_LCD_D14__LCD_D14 | MXS_PAD_CTRL,
MX28_PAD_LCD_D15__LCD_D15 | MXS_PAD_CTRL,
MX28_PAD_LCD_D16__LCD_D16 | MXS_PAD_CTRL,
MX28_PAD_LCD_D17__LCD_D17 | MXS_PAD_CTRL,
MX28_PAD_LCD_D18__LCD_D18 | MXS_PAD_CTRL,
MX28_PAD_LCD_D19__LCD_D19 | MXS_PAD_CTRL,
MX28_PAD_LCD_D20__LCD_D20 | MXS_PAD_CTRL,
MX28_PAD_LCD_D21__LCD_D21 | MXS_PAD_CTRL,
MX28_PAD_LCD_D22__LCD_D22 | MXS_PAD_CTRL,
MX28_PAD_LCD_D23__LCD_D23 | MXS_PAD_CTRL,
MX28_PAD_LCD_RD_E__LCD_VSYNC | MXS_PAD_CTRL,
MX28_PAD_LCD_WR_RWN__LCD_HSYNC | MXS_PAD_CTRL,
MX28_PAD_LCD_RS__LCD_DOTCLK | MXS_PAD_CTRL,
MX28_PAD_LCD_CS__LCD_ENABLE | MXS_PAD_CTRL,
/* LCD panel enable */
MX28_PAD_LCD_RESET__GPIO_3_30 | MXS_PAD_CTRL,
/* backlight control */
MX28_PAD_PWM2__GPIO_3_18 | MXS_PAD_CTRL,
};
/* fec */
@ -196,6 +232,32 @@ static const struct flexcan_platform_data
}
};
/* mxsfb (lcdif) */
static struct fb_videomode mx28evk_video_modes[] = {
{
.name = "Seiko-43WVF1G",
.refresh = 60,
.xres = 800,
.yres = 480,
.pixclock = 29851, /* picosecond (33.5 MHz) */
.left_margin = 89,
.right_margin = 164,
.upper_margin = 23,
.lower_margin = 10,
.hsync_len = 10,
.vsync_len = 10,
.sync = FB_SYNC_DATA_ENABLE_HIGH_ACT |
FB_SYNC_DOTCLK_FAILING_ACT,
},
};
static const struct mxsfb_platform_data mx28evk_mxsfb_pdata __initconst = {
.mode_list = mx28evk_video_modes,
.mode_count = ARRAY_SIZE(mx28evk_video_modes),
.default_bpp = 32,
.ld_intf_width = STMLCDIF_24BIT,
};
static void __init mx28evk_init(void)
{
int ret;
@ -221,6 +283,20 @@ static void __init mx28evk_init(void)
mx28_add_flexcan(0, &mx28evk_flexcan_pdata[0]);
mx28_add_flexcan(1, &mx28evk_flexcan_pdata[1]);
}
ret = gpio_request_one(MX28EVK_LCD_ENABLE, GPIOF_DIR_OUT, "lcd-enable");
if (ret)
pr_warn("failed to request gpio lcd-enable: %d\n", ret);
else
gpio_set_value(MX28EVK_LCD_ENABLE, 1);
ret = gpio_request_one(MX28EVK_BL_ENABLE, GPIOF_DIR_OUT, "bl-enable");
if (ret)
pr_warn("failed to request gpio bl-enable: %d\n", ret);
else
gpio_set_value(MX28EVK_BL_ENABLE, 1);
mx28_add_mxsfb(&mx28evk_mxsfb_pdata);
}
static void __init mx28evk_timer_init(void)