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authorShawn Guo <shawn.guo@freescale.com>2011-03-06 00:40:22 +0800
committerSascha Hauer <s.hauer@pengutronix.de>2011-03-07 19:29:49 +0100
commitb73d77b2b75091b09d31f5c47924c99d4f19930a (patch)
treef0761ad2c48aa9953b95791baa521846da297d68 /arch/arm/mach-mxs
parent122eb103924316c1229f1b8aeea7492893d910c9 (diff)
ARM: mxs/mx23evk: 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')
-rw-r--r--arch/arm/mach-mxs/Kconfig1
-rw-r--r--arch/arm/mach-mxs/mach-mx23evk.c79
2 files changed, 80 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
index 4f0b67345179..989c08c6dd93 100644
--- a/arch/arm/mach-mxs/Kconfig
+++ b/arch/arm/mach-mxs/Kconfig
@@ -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
diff --git a/arch/arm/mach-mxs/mach-mx23evk.c b/arch/arm/mach-mxs/mach-mx23evk.c
index d7240547f0db..a66994f0518f 100644
--- a/arch/arm/mach-mxs/mach-mx23evk.c
+++ b/arch/arm/mach-mxs/mach-mx23evk.c
@@ -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)