[PATCH 9/9] ARM i.MX51 babbage: Add framebuffer support
From: Sascha Hauer
Date: Mon Dec 20 2010 - 05:50:41 EST
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
arch/arm/mach-mx5/Kconfig | 1 +
arch/arm/mach-mx5/board-mx51_babbage.c | 74 ++++++++++++++++++++++++++++++++
2 files changed, 75 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index 5011f42..2a936b7 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -22,6 +22,7 @@ config MACH_MX51_BABBAGE
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
select IMX_HAVE_PLATFORM_SPI_IMX
+ select IMX_HAVE_PLATFORM_IMX_IPUV3
help
Include support for MX51 Babbage platform, also known as MX51EVK in
u-boot. This includes specific configurations for the board and its
diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c
index 368a315..6c1576c 100644
--- a/arch/arm/mach-mx5/board-mx51_babbage.c
+++ b/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -22,11 +22,13 @@
#include <linux/input.h>
#include <linux/spi/flash.h>
#include <linux/spi/spi.h>
+#include <linux/mfd/imx-ipu-v3.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/iomux-mx51.h>
#include <mach/mxc_ehci.h>
+#include <mach/ipu-v3.h>
#include <asm/irq.h>
#include <asm/setup.h>
@@ -158,6 +160,41 @@ static iomux_v3_cfg_t mx51babbage_pads[] = {
MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK,
MX51_PAD_CSPI1_SS0__GPIO_4_24,
MX51_PAD_CSPI1_SS1__GPIO_4_25,
+
+ /* Display */
+ MX51_PAD_DISPB2_SER_DIN__GPIO_3_5,
+ MX51_PAD_DISPB2_SER_DIO__GPIO_3_6,
+ MX51_PAD_NANDF_D12__GPIO_3_28,
+
+ MX51_PAD_DISP1_DAT0__DISP1_DAT0,
+ MX51_PAD_DISP1_DAT1__DISP1_DAT1,
+ MX51_PAD_DISP1_DAT2__DISP1_DAT2,
+ MX51_PAD_DISP1_DAT3__DISP1_DAT3,
+ MX51_PAD_DISP1_DAT4__DISP1_DAT4,
+ MX51_PAD_DISP1_DAT5__DISP1_DAT5,
+ MX51_PAD_DISP1_DAT6__DISP1_DAT6,
+ MX51_PAD_DISP1_DAT7__DISP1_DAT7,
+ MX51_PAD_DISP1_DAT8__DISP1_DAT8,
+ MX51_PAD_DISP1_DAT9__DISP1_DAT9,
+ MX51_PAD_DISP1_DAT10__DISP1_DAT10,
+ MX51_PAD_DISP1_DAT11__DISP1_DAT11,
+ MX51_PAD_DISP1_DAT12__DISP1_DAT12,
+ MX51_PAD_DISP1_DAT13__DISP1_DAT13,
+ MX51_PAD_DISP1_DAT14__DISP1_DAT14,
+ MX51_PAD_DISP1_DAT15__DISP1_DAT15,
+ MX51_PAD_DISP1_DAT16__DISP1_DAT16,
+ MX51_PAD_DISP1_DAT17__DISP1_DAT17,
+ MX51_PAD_DISP1_DAT18__DISP1_DAT18,
+ MX51_PAD_DISP1_DAT19__DISP1_DAT19,
+ MX51_PAD_DISP1_DAT20__DISP1_DAT20,
+ MX51_PAD_DISP1_DAT21__DISP1_DAT21,
+ MX51_PAD_DISP1_DAT22__DISP1_DAT22,
+ MX51_PAD_DISP1_DAT23__DISP1_DAT23,
+#define MX51_PAD_DI_GP4__IPU_DI2_PIN15 IOMUX_PAD(0x758, 0x350, 4, 0x0, 0, NO_PAD_CTRL)
+ MX51_PAD_DI_GP4__IPU_DI2_PIN15,
+
+ /* I2C DVI enable */
+ MX51_PAD_CSI2_HSYNC__GPIO_4_14,
};
/* Serial ports */
@@ -346,6 +383,23 @@ static const struct spi_imx_master mx51_babbage_spi_pdata __initconst = {
.num_chipselect = ARRAY_SIZE(mx51_babbage_spi_cs),
};
+static struct ipuv3_fb_platform_data babbage_fb0_data = {
+ .interface_pix_fmt = IPU_PIX_FMT_RGB24,
+ .flags = IMX_IPU_FB_USE_MODEDB | IMX_IPU_FB_USE_OVERLAY,
+ .display = 0,
+};
+
+static struct ipuv3_fb_platform_data babbage_fb1_data = {
+ .interface_pix_fmt = IPU_PIX_FMT_RGB565,
+ .flags = IMX_IPU_FB_USE_MODEDB,
+ .display = 1,
+};
+
+static struct imx_ipuv3_platform_data ipu_data = {
+ .fb_head0_platform_data = &babbage_fb0_data,
+ .fb_head1_platform_data = &babbage_fb1_data,
+};
+
/*
* Board specific initialization.
*/
@@ -392,6 +446,26 @@ static void __init mxc_board_init(void)
ARRAY_SIZE(mx51_babbage_spi_board_info));
imx51_add_ecspi(0, &mx51_babbage_spi_pdata);
imx51_add_imx2_wdt(0, NULL);
+
+#define GPIO_DVI_DETECT (2 * 32 + 28)
+#define GPIO_DVI_RESET (2 * 32 + 5)
+#define GPIO_DVI_PWRDN (2 * 32 + 6)
+#define GPIO_DVI_I2C (3 * 32 + 14)
+
+ /* DVI Detect */
+ gpio_request(GPIO_DVI_DETECT, "dvi detect");
+ gpio_direction_input(GPIO_DVI_DETECT);
+ /* DVI Reset - Assert for i2c disabled mode */
+ gpio_request(GPIO_DVI_RESET, "dvi reset");
+ gpio_direction_output(GPIO_DVI_RESET, 0);
+ /* DVI Power-down */
+ gpio_request(GPIO_DVI_PWRDN, "dvi pwdn");
+ gpio_direction_output(GPIO_DVI_PWRDN, 1);
+
+ gpio_request(GPIO_DVI_I2C, "dvi i2c");
+ gpio_direction_output(GPIO_DVI_I2C, 0);
+
+ imx51_add_ipuv3(&ipu_data);
}
static void __init mx51_babbage_timer_init(void)
--
1.7.2.3
--
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