Subject: [PATCH 6/8] MXC: mach-mx31_3ds: Add support for framebuffer and lcd.

From: [email-masked] (Alberto Panizzo)
Date: Tue, 23 Mar 2010 19:54:59 +0100

Signed-off-by: Alberto Panizzo <[email-masked]>
---
 arch/arm/mach-mx3/mach-mx31_3ds.c |  130 +++++++++++++++++++++++++++++++++++++
 1 files changed, 130 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-mx3/mach-mx31_3ds.c b/arch/arm/mach-mx3/mach-mx31_3ds.c
index 51e060c..46ccb6c 100644
--- a/arch/arm/mach-mx3/mach-mx31_3ds.c
+++ b/arch/arm/mach-mx3/mach-mx31_3ds.c
@@ -25,6 +25,7 @@
 #include <linux/platform_device.h>
 #include <linux/mfd/mc13783.h>
 #include <linux/spi/spi.h>
+#include <linux/spi/l4f00242t03.h>
 #include <linux/regulator/machine.h>
 #include <linux/regulator/consumer.h>
 #include <linux/log2.h>
@@ -43,6 +44,8 @@
 #include <mach/mxc_nand.h>
 #include <mach/spi.h>
 #include <mach/mmc.h>
+#include <mach/ipu.h>
+#include <mach/mx3fb.h>
 #include "devices.h"
 
 /*!
@@ -60,6 +63,12 @@ static int mx31_3ds_pins[] = {
 	MX31_PIN_TXD1__TXD1,
 	MX31_PIN_RXD1__RXD1,
 	IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO),
+	/*SPI0*/
+	MX31_PIN_CSPI1_SCLK__SCLK,
+	MX31_PIN_CSPI1_MOSI__MOSI,
+	MX31_PIN_CSPI1_MISO__MISO,
+	MX31_PIN_CSPI1_SPI_RDY__SPI_RDY,
+	MX31_PIN_CSPI1_SS2__SS2, /*CS for LCD */
 	/* SPI 1 */
 	MX31_PIN_CSPI2_SCLK__SCLK,
 	MX31_PIN_CSPI2_MOSI__MOSI,
@@ -77,6 +86,70 @@ static int mx31_3ds_pins[] = {
 	MX31_PIN_SD1_CLK__SD1_CLK,
 	MX31_PIN_SD1_CMD__SD1_CMD,
 	MX31_PIN_GPIO3_0__GPIO3_0, /*OE*/
+	/* Framebuffer */
+	MX31_PIN_LD0__LD0,
+	MX31_PIN_LD1__LD1,
+	MX31_PIN_LD2__LD2,
+	MX31_PIN_LD3__LD3,
+	MX31_PIN_LD4__LD4,
+	MX31_PIN_LD5__LD5,
+	MX31_PIN_LD6__LD6,
+	MX31_PIN_LD7__LD7,
+	MX31_PIN_LD8__LD8,
+	MX31_PIN_LD9__LD9,
+	MX31_PIN_LD10__LD10,
+	MX31_PIN_LD11__LD11,
+	MX31_PIN_LD12__LD12,
+	MX31_PIN_LD13__LD13,
+	MX31_PIN_LD14__LD14,
+	MX31_PIN_LD15__LD15,
+	MX31_PIN_LD16__LD16,
+	MX31_PIN_LD17__LD17,
+	MX31_PIN_VSYNC3__VSYNC3,
+	MX31_PIN_HSYNC__HSYNC,
+	MX31_PIN_FPSHIFT__FPSHIFT,
+	MX31_PIN_CONTRAST__CONTRAST,
+};
+
+/*
+ * FB support
+ */
+static const struct fb_videomode fb_modedb[] = {
+	{	/* 480x640 @ 60 Hz */
+		.name		= "Epson-VGA",
+		.refresh	= 60,
+		.xres		= 480,
+		.yres		= 640,
+		.pixclock	= 41701,
+		.left_margin	= 20,
+		.right_margin	= 41,
+		.upper_margin	= 10,
+		.lower_margin	= 5,
+		.hsync_len	= 20,
+		.vsync_len	= 10,
+		.sync		= FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
+		.vmode		= FB_VMODE_NONINTERLACED,
+		.flag		= 0,
+	},
+};
+
+static struct ipu_platform_data mx3_ipu_data = {
+	.irq_base = MXC_IPU_IRQ_START,
+};
+
+static struct mx3fb_platform_data mx3fb_pdata = {
+	.dma_dev	= &mx3_ipu.dev,
+	.name		= "Epson-VGA",
+	.mode		= fb_modedb,
+	.num_modes	= ARRAY_SIZE(fb_modedb),
+};
+
+/* LCD */
+static struct l4f00242t03_pdata mx31_3ds_l4f00242t03_pdata = {
+	.reset_gpio =		IOMUX_TO_GPIO(MX31_PIN_LCS1),
+	.data_enable_gpio =	IOMUX_TO_GPIO(MX31_PIN_SER_RS),
+	.core_supply =		"lcd_2v8",
+	.io_supply =		"vdd_lcdio",
 };
 
 /*
@@ -225,6 +298,38 @@ static struct regulator_init_data vmmc2_init = {
 	.consumer_supplies = vmmc2_consumers,
 };
 
+static struct regulator_consumer_supply vmmc1_consumers[] = {
+	{
+		.supply	= "lcd_2v8",
+	},
+};
+
+static struct regulator_init_data vmmc1_init = {
+	.constraints = {
+		.min_uV = 2800000,
+		.max_uV = 2800000,
+		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
+	},
+	.num_consumer_supplies = ARRAY_SIZE(vmmc1_consumers),
+	.consumer_supplies = vmmc1_consumers,
+};
+
+static struct regulator_consumer_supply vgen_consumers[] = {
+	{
+		.supply	= "vdd_lcdio",
+	},
+};
+
+static struct regulator_init_data vgen_init = {
+	.constraints = {
+		.min_uV = 1800000,
+		.max_uV = 1800000,
+		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
+	},
+	.num_consumer_supplies = ARRAY_SIZE(vgen_consumers),
+	.consumer_supplies = vgen_consumers,
+};
+
 static struct mc13783_regulator_init_data mx31_3ds_regulators[] = {
 	{
 		.id = MC13783_REGU_PWGT1SPI, /* Power Gate for ARM core. */
@@ -244,6 +349,12 @@ static struct mc13783_regulator_init_data mx31_3ds_regulators[] = {
 	}, {
 		.id = MC13783_REGU_VMMC2,
 		.init_data = &vmmc2_init,
+	}, {
+		.id = MC13783_REGU_VMMC1,
+		.init_data = &vmmc1_init,
+	}, {
+		.id = MC13783_REGU_VGEN,
+		.init_data = &vgen_init,
 	},
 };
 
@@ -255,6 +366,15 @@ static struct mc13783_platform_data mc13783_pdata __initdata = {
 };
 
 /* SPI */
+static int spi0_internal_chipselect[] = {
+	MXC_SPI_CS(2),
+};
+
+static struct spi_imx_master spi0_pdata = {
+	.chipselect	= spi0_internal_chipselect,
+	.num_chipselect	= ARRAY_SIZE(spi0_internal_chipselect),
+};
+
 static int spi1_internal_chipselect[] = {
 	MXC_SPI_CS(0),
 	MXC_SPI_CS(2),
@@ -274,6 +394,12 @@ static struct spi_board_info mx31_3ds_spi_devs[] __initdata = {
 		.platform_data	= &mc13783_pdata,
 		.irq		= IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
 		.mode = SPI_CS_HIGH,
+	}, {
+		.modalias	= "l4f00242t03",
+		.max_speed_hz	= 5000000,
+		.bus_num	= 0,
+		.chip_select	= 0, /* SS2 */
+		.platform_data	= &mx31_3ds_l4f00242t03_pdata,
 	},
 };
 
@@ -479,6 +605,10 @@ static void __init mxc_board_init(void)
 
 	mxc_register_device(&mxcsdhc_device0, &sdhc1_pdata);
 
+	mxc_register_device(&mxc_spi_device0, &spi0_pdata);
+	mxc_register_device(&mx3_ipu, &mx3_ipu_data);
+	mxc_register_device(&mx3_fb, &mx3fb_pdata);
+
 	if (!mx31_3ds_init_expio())
 		platform_device_register(&smsc911x_device);
 }
-- 
1.6.3.3