[PATCH 1/2] mx31_3ds: Add LCD support
Fabio Estevam
fabioestevam at yahoo.com
Wed Oct 27 13:29:24 EDT 2010
Add l4f00242t03 LCD support for mx31_3ds board.
Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
Signed-off-by: Alberto Panizzo <maramaopercheseimorto at gmail.com>
---
Sascha,
This patch should be applied after this one:
http://lists.infradead.org/pipermail/linux-arm-kernel/2010-October/030048.html
arch/arm/mach-mx3/mach-mx31_3ds.c | 119 ++++++++++++++++++++++++++++++++++++-
1 files changed, 116 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-mx3/mach-mx31_3ds.c b/arch/arm/mach-mx3/mach-mx31_3ds.c
index 8ad2ef5..71fe05b 100644
--- a/arch/arm/mach-mx3/mach-mx31_3ds.c
+++ b/arch/arm/mach-mx3/mach-mx31_3ds.c
@@ -21,6 +21,7 @@
#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/fsl_devices.h>
#include <linux/input/matrix_keypad.h>
@@ -35,6 +36,8 @@
#include <mach/iomux-mx3.h>
#include <mach/3ds_debugboard.h>
#include <mach/mmc.h>
+#include <mach/ipu.h>
+#include <mach/mx3fb.h>
#include "devices-imx31.h"
#include "devices.h"
@@ -56,7 +59,13 @@ static int mx31_3ds_pins[] = {
MX31_PIN_TXD1__TXD1,
MX31_PIN_RXD1__RXD1,
IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO),
- /* SPI 1 */
+ /*SPI1 */
+ 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 */
+ /* SPI2 */
MX31_PIN_CSPI2_SCLK__SCLK,
MX31_PIN_CSPI2_MOSI__MOSI,
MX31_PIN_CSPI2_MISO__MISO,
@@ -97,6 +106,72 @@ static int mx31_3ds_pins[] = {
MX31_PIN_SD1_CMD__SD1_CMD,
MX31_PIN_GPIO3_0__GPIO3_0,
MX31_PIN_GPIO3_1__GPIO3_1,
+ /* LCD */
+ 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,
+ MX31_PIN_LCS1, /*LCD Reset */
+ MX31_PIN_SER_RS, /*LCD Data Enable */
+};
+
+/*
+ * 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 = "sdhc0_vcc",
+ .io_supply = "vdd_lcdio",
};
/*
@@ -130,11 +205,17 @@ static struct regulator_init_data pwgtx_init = {
static struct regulator_consumer_supply sdhc_consumers[] = {
{
- .dev = &mxcsdhc_device0.dev,
.supply = "sdhc0_vcc",
},
};
+static struct regulator_consumer_supply vgen_consumers[] = {
+ {
+ .supply = "vdd_lcdio",
+ },
+};
+
+
static struct regulator_init_data sdhc_vreg_data = {
.constraints = {
.always_on = 1,
@@ -144,6 +225,16 @@ static struct regulator_init_data sdhc_vreg_data = {
.consumer_supplies = sdhc_consumers,
};
+static struct regulator_init_data vgen_init = {
+ .constraints = {
+ .min_uV = 1800000,
+ .max_uV = 1800000,
+ },
+ .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. */
@@ -154,6 +245,9 @@ static struct mc13783_regulator_init_data mx31_3ds_regulators[] = {
}, {
.id = MC13783_REGU_GPO1, /* Power Gate for MMC1. */
.init_data = &sdhc_vreg_data,
+ }, {
+ .id = MC13783_REGU_VGEN,
+ .init_data = &vgen_init,
},
};
@@ -165,6 +259,15 @@ 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),
@@ -184,7 +287,13 @@ 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,
+ }
};
/*
@@ -316,6 +425,7 @@ static void __init mxc_board_init(void)
mx31_3ds_sdhc1_enable_card_detect();
imx31_add_spi_imx1(&spi1_pdata);
+ imx31_add_spi_imx0(&spi0_pdata);
spi_register_board_info(mx31_3ds_spi_devs,
ARRAY_SIZE(mx31_3ds_spi_devs));
@@ -328,6 +438,9 @@ static void __init mxc_board_init(void)
if (mxc_expio_init(MX31_CS5_BASE_ADDR, EXPIO_PARENT_INT))
printk(KERN_WARNING "Init of the debug board failed, all "
"devices on the debug board are unusable.\n");
+ mxc_register_device(&mx3_ipu, &mx3_ipu_data);
+ mxc_register_device(&mx3_fb, &mx3fb_pdata);
+
}
static void __init mx31_3ds_timer_init(void)
--
1.6.0.4
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