From: Roger Quadros <roger.quadros@xxxxxxxxx>
Adds basic support for LCD Panel on Nokia N900
Signed-off-by: Roger Quadros <roger.quadros@xxxxxxxxx>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxx>
---
arch/arm/mach-omap2/Makefile | 1 +
arch/arm/mach-omap2/board-rx51-peripherals.c | 13 +++
arch/arm/mach-omap2/board-rx51-video.c | 109 ++++++++++++++++++++++++++
arch/arm/mach-omap2/board-rx51.c | 2 +
4 files changed, 125 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-omap2/board-rx51-video.c
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 4b9fc57..b03cbb4 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -122,6 +122,7 @@ obj-$(CONFIG_MACH_NOKIA_N8X0) += board-n8x0.o
obj-$(CONFIG_MACH_NOKIA_RX51) += board-rx51.o \
board-rx51-sdram.o \
board-rx51-peripherals.o \
+ board-rx51-video.o \
hsmmc.o
obj-$(CONFIG_MACH_OMAP_ZOOM2) += board-zoom2.o \
board-zoom-peripherals.o \
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index 4377a4c..f404537 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -45,6 +45,7 @@
/* list all spi devices here */
enum {
RX51_SPI_WL1251,
+ RX51_SPI_MIPID, /* LCD panel */
};
static struct wl12xx_platform_data wl1251_pdata;
@@ -54,6 +55,11 @@ static struct omap2_mcspi_device_config wl1251_mcspi_config = {
.single_channel = 1,
};
+static struct omap2_mcspi_device_config mipid_mcspi_config = {
+ .turbo_mode = 0,
+ .single_channel = 1,
+};
+
static struct spi_board_info rx51_peripherals_spi_board_info[] __initdata = {
[RX51_SPI_WL1251] = {
.modalias = "wl1251",
@@ -64,6 +70,13 @@ static struct spi_board_info rx51_peripherals_spi_board_info[] __initdata = {
.controller_data = &wl1251_mcspi_config,
.platform_data = &wl1251_pdata,
},
+ [RX51_SPI_MIPID] = {
+ .modalias = "acx565akm",
+ .bus_num = 1,
+ .chip_select = 2,
+ .max_speed_hz = 6000000,
+ .controller_data = &mipid_mcspi_config,
+ },
};
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
diff --git a/arch/arm/mach-omap2/board-rx51-video.c b/arch/arm/mach-omap2/board-rx51-video.c
new file mode 100644
index 0000000..b743a4f
--- /dev/null
+++ b/arch/arm/mach-omap2/board-rx51-video.c
@@ -0,0 +1,109 @@
+/*
+ * linux/arch/arm/mach-omap2/board-rx51-video.c
+ *
+ * Copyright (C) 2010 Nokia
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/spi/spi.h>
+#include <linux/mm.h>
+
+#include <asm/mach-types.h>
+#include <plat/mux.h>
+#include <plat/display.h>
+#include <plat/vram.h>
+#include <plat/mcspi.h>
+
+#include "mux.h"
+
+#define RX51_LCD_RESET_GPIO 90
+
+#if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
+
+static int rx51_lcd_enable(struct omap_dss_device *dssdev)
+{
+ gpio_set_value(dssdev->reset_gpio, 1);
+ return 0;
+}
+
+static void rx51_lcd_disable(struct omap_dss_device *dssdev)
+{
+ gpio_set_value(dssdev->reset_gpio, 0);
+}
+
+static struct omap_dss_device rx51_lcd_device = {
+ .name = "lcd",
+ .driver_name = "panel-acx565akm",
+ .type = OMAP_DISPLAY_TYPE_SDI,
+ .phy.sdi.datapairs = 2,
+ .reset_gpio = RX51_LCD_RESET_GPIO,
+ .platform_enable = rx51_lcd_enable,
+ .platform_disable = rx51_lcd_disable,
+};
+
+static struct omap_dss_device *rx51_dss_devices[] = {
+ &rx51_lcd_device,
+};
+
+static struct omap_dss_board_info rx51_dss_board_info = {
+ .num_devices = ARRAY_SIZE(rx51_dss_devices),
+ .devices = rx51_dss_devices,
+ .default_device = &rx51_lcd_device,
+};
+
+struct platform_device rx51_display_device = {
+ .name = "omapdss",
+ .id = -1,
+ .dev = {
+ .platform_data = &rx51_dss_board_info,
+ },
+};
+
+static struct platform_device *rx51_video_devices[] __initdata = {
+ &rx51_display_device,
+};
+
+static int __init rx51_video_init(void)
+{
+ if (!machine_is_nokia_rx51())
+ return 0;
+
+ if (omap_mux_init_gpio(RX51_LCD_RESET_GPIO, OMAP_PIN_OUTPUT)) {
+ pr_err("%s cannot configure MUX for LCD RESET\n", __func__);
+ return 0;
+ }
+
+ if (gpio_request(RX51_LCD_RESET_GPIO, "LCD ACX565AKM reset")) {
+ pr_err("%s failed to get LCD Reset GPIO\n", __func__);
+ return 0;
+ }
+
+ gpio_direction_output(RX51_LCD_RESET_GPIO, 1);
+
+ platform_add_devices(rx51_video_devices,
+ ARRAY_SIZE(rx51_video_devices));
+ return 0;
+}
+
+subsys_initcall(rx51_video_init);
+
+void __init rx51_video_mem_init(void)
+{
+ /*
+ * GFX 864x480x32bpp
+ * VID1/2 1280x720x32bpp double buffered
+ */
+ omap_vram_set_sdram_vram(PAGE_ALIGN(864 * 480 * 4) +
+ 2 * PAGE_ALIGN(1280 * 720 * 4 * 2), 0);
+}
+
+#else
+void __init rx51_video_mem_init(void) { }
+#endif /* defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) */
diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c
index b155c36..1b86b5b 100644
--- a/arch/arm/mach-omap2/board-rx51.c
+++ b/arch/arm/mach-omap2/board-rx51.c
@@ -36,6 +36,7 @@
#define RX51_GPIO_SLEEP_IND 162
struct omap_sdrc_params *rx51_get_sdram_timings(void);
+extern void rx51_video_mem_init(void);
static struct gpio_led gpio_leds[] = {
{
@@ -143,6 +144,7 @@ static void __init rx51_init(void)
static void __init rx51_map_io(void)
{
omap2_set_globals_343x();
+ rx51_video_mem_init();
omap34xx_map_common_io();
}
--
1.7.0.4
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