Re: [PATCH 1/5] OMAP: RX51: Add LCD Panel support
From: pHilipp Zabel <hidden>
Date: 2010-03-23 10:12:15
Also in:
linux-omap
On Tue, Mar 23, 2010 at 10:56 AM, Roger Quadros [off-list ref] wrote:
quoted hunk ↗ jump to hunk
From: Roger Quadros <redacted> Adds basic support for LCD Panel on Nokia N900 Signed-off-by: Roger Quadros <redacted> --- arch/arm/mach-omap2/Makefile | 1 + arch/arm/mach-omap2/board-rx51-peripherals.c | 13 ++++ arch/arm/mach-omap2/board-rx51-video.c | 95 ++++++++++++++++++++++++++ 3 files changed, 109 insertions(+), 0 deletions(-) create mode 100644 arch/arm/mach-omap2/board-rx51-video.cdiff --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-$(CONFIG_MACH_NOKIA_N8X0) += board-n8x0.oobj-$(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..e3e22a8 --- /dev/null +++ b/arch/arm/mach-omap2/board-rx51-video.c@@ -0,0 +1,95 @@ +/* + * linux/arch/arm/mach-omap2/board-rx51-peripherals.c
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 <asm/mach-types.h>
+#include <plat/mux.h>
+#include <plat/display.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);
+
+#endif /* defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) */
--
1.6.0.4
--
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