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authorShawn Guo <shawn.guo@freescale.com>2011-03-08 18:51:10 +0800
committerSascha Hauer <s.hauer@pengutronix.de>2011-03-10 11:18:35 +0100
commit0590a790319e2de59e0f15cf00af7fe473eb9ec8 (patch)
treee5633f2e443da21d1284fdd20c5161d4dfc162be /arch/arm/mach-mxs/mach-mx28evk.c
parent12b90f8a2ce4d913d9080dcd6b6c329db00cbbeb (diff)
ARM: mxs/mx28evk: add framebuffer device
Signed-off-by: Shawn Guo <shawn.guo@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mxs/mach-mx28evk.c')
-rw-r--r--arch/arm/mach-mxs/mach-mx28evk.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c
index 8bb221754e4..08002d02267 100644
--- a/arch/arm/mach-mxs/mach-mx28evk.c
+++ b/arch/arm/mach-mxs/mach-mx28evk.c
@@ -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)