From: Kishore Y <kishore.y@xxxxxx>
Board-zoom-display.c added as a common file for display functionality
on boards zoom2, zoom3 and 3630sdp.
Signed-off-by: Mukund Mittal <mmittal@xxxxxx>
Signed-off-by: Kishore Y <kishore.y@xxxxxx>
Signed-off-by: Rajkumar N <rajkumar.nagarajan@xxxxxx>
Signed-off-by: Samreen <samreen@xxxxxx>
---
arch/arm/mach-omap2/Makefile | 3 +
arch/arm/mach-omap2/board-zoom-display.c | 168 +++++++++++++++++++++++++
arch/arm/mach-omap2/board-zoom-peripherals.c | 49 +++++++-
arch/arm/mach-omap2/include/mach/board-zoom.h | 2 +
4 files changed, 220 insertions(+), 2 deletions(-)
create mode 100644 arch/arm/mach-omap2/board-zoom-display.c
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 88d3a1e..95e0ecf 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -132,16 +132,19 @@ obj-$(CONFIG_MACH_NOKIA_RX51) += board-rx51.o \
hsmmc.o
obj-$(CONFIG_MACH_OMAP_ZOOM2) += board-zoom2.o \
board-zoom-peripherals.o \
+ board-zoom-display.o \
board-flash.o \
hsmmc.o \
board-zoom-debugboard.o
obj-$(CONFIG_MACH_OMAP_ZOOM3) += board-zoom3.o \
board-zoom-peripherals.o \
+ board-zoom-display.o \
board-flash.o \
hsmmc.o \
board-zoom-debugboard.o
obj-$(CONFIG_MACH_OMAP_3630SDP) += board-3630sdp.o \
board-zoom-peripherals.o \
+ board-zoom-display.o \
board-flash.o \
hsmmc.o
obj-$(CONFIG_MACH_CM_T35) += board-cm-t35.o \
diff --git a/arch/arm/mach-omap2/board-zoom-display.c b/arch/arm/mach-omap2/board-zoom-display.c
new file mode 100644
index 0000000..6bcd436
--- /dev/null
+++ b/arch/arm/mach-omap2/board-zoom-display.c
@@ -0,0 +1,168 @@
+/*
+ * Copyright (C) 2010 Texas Instruments Inc.
+ *
+ * Modified from mach-omap2/board-zoom-peripherals.c
+ *
+ * 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/i2c/twl.h>
+#include <linux/spi/spi.h>
+#include <plat/mcspi.h>
+#include <plat/display.h>
+
+#define LCD_PANEL_RESET_GPIO_PROD 96
+#define LCD_PANEL_RESET_GPIO_PILOT 55
+#define LCD_PANEL_QVGA_GPIO 56
+
+static void zoom_lcd_panel_init(void)
+{
+ int ret;
+ unsigned char lcd_panel_reset_gpio;
+
+ lcd_panel_reset_gpio = (omap_rev() > OMAP3430_REV_ES3_0) ?
+ LCD_PANEL_RESET_GPIO_PROD :
+ LCD_PANEL_RESET_GPIO_PILOT;
+
+ ret = gpio_request(lcd_panel_reset_gpio, "lcd reset");
+ if (ret) {
+ pr_err("Failed to get LCD reset GPIO (gpio%d).\n",
+ lcd_panel_reset_gpio);
+ return;
+ }
+ gpio_direction_output(lcd_panel_reset_gpio, 1);
+
+ ret = gpio_request(LCD_PANEL_QVGA_GPIO, "lcd qvga");
+ if (ret) {
+ pr_err("Failed to get LCD_PANEL_QVGA_GPIO (gpio%d).\n",
+ LCD_PANEL_QVGA_GPIO);
+ goto err0;
+ }
+ gpio_direction_output(LCD_PANEL_QVGA_GPIO, 1);
+
+ return;
+err0:
+ gpio_free(lcd_panel_reset_gpio);
+}
+
+static int zoom_panel_enable_lcd(struct omap_dss_device *dssdev)
+{
+ return 0;
+}
+
+static void zoom_panel_disable_lcd(struct omap_dss_device *dssdev)
+{
+}
+
+/*
+ * PWMA/B register offsets (TWL4030_MODULE_PWMA)
+ */
+#define TWL_INTBR_PMBR1 0xD
+#define TWL_INTBR_GPBR1 0xC
+#define TWL_LED_PWMON 0x0
+#define TWL_LED_PWMOFF 0x1
+
+static int zoom_set_bl_intensity(struct omap_dss_device *dssdev, int level)
+{
+ unsigned char c;
+ u8 mux_pwm, enb_pwm;
+
+ if (level > 100)
+ return -1;
+
+ twl_i2c_read_u8(TWL4030_MODULE_INTBR, &mux_pwm, TWL_INTBR_PMBR1);
+ twl_i2c_read_u8(TWL4030_MODULE_INTBR, &enb_pwm, TWL_INTBR_GPBR1);
+
+ if (level == 0) {
+ /* disable pwm1 output and clock */
+ enb_pwm = enb_pwm & 0xF5;
+ /* change pwm1 pin to gpio pin */
+ mux_pwm = mux_pwm & 0xCF;
+ twl_i2c_write_u8(TWL4030_MODULE_INTBR,
+ enb_pwm, TWL_INTBR_GPBR1);
+ twl_i2c_write_u8(TWL4030_MODULE_INTBR,
+ mux_pwm, TWL_INTBR_PMBR1);
+ return 0;
+ }
+
+ if (!((enb_pwm & 0xA) && (mux_pwm & 0x30))) {
+ /* change gpio pin to pwm1 pin */
+ mux_pwm = mux_pwm | 0x30;
+ /* enable pwm1 output and clock*/
+ enb_pwm = enb_pwm | 0x0A;
+ twl_i2c_write_u8(TWL4030_MODULE_INTBR,
+ mux_pwm, TWL_INTBR_PMBR1);
+ twl_i2c_write_u8(TWL4030_MODULE_INTBR,
+ enb_pwm, TWL_INTBR_GPBR1);
+ }
+
+ c = ((50 * (100 - level)) / 100) + 1;
+ twl_i2c_write_u8(TWL4030_MODULE_PWM1, 0x7F, TWL_LED_PWMOFF);
+ twl_i2c_write_u8(TWL4030_MODULE_PWM1, c, TWL_LED_PWMON);
+
+ return 0;
+}
+
+static struct omap_dss_device zoom_lcd_device = {
+ .name = "lcd",
+ .driver_name = "NEC_8048_panel",
+ .type = OMAP_DISPLAY_TYPE_DPI,
+ .phy.dpi.data_lines = 24,
+ .platform_enable = zoom_panel_enable_lcd,
+ .platform_disable = zoom_panel_disable_lcd,
+ .max_backlight_level = 100,
+ .set_backlight = zoom_set_bl_intensity,
+};
+
+static struct omap_dss_device *zoom_dss_devices[] = {
+ &zoom_lcd_device,
+};
+
+static struct omap_dss_board_info zoom_dss_data = {
+ .num_devices = ARRAY_SIZE(zoom_dss_devices),
+ .devices = zoom_dss_devices,
+ .default_device = &zoom_lcd_device,
+};
+
+static struct platform_device zoom_dss_device = {
+ .name = "omapdss",
+ .id = -1,
+ .dev = {
+ .platform_data = &zoom_dss_data,
+ },
+};
+
+static struct omap2_mcspi_device_config dss_lcd_mcspi_config = {
+ .turbo_mode = 1,
+ .single_channel = 1, /* 0: slave, 1: master */
+};
+
+static struct spi_board_info nec_8048_spi_board_info[] __initdata = {
+ [0] = {
+ .modalias = "nec_8048_spi",
+ .bus_num = 1,
+ .chip_select = 2,
+ .max_speed_hz = 375000,
+ .controller_data = &dss_lcd_mcspi_config,
+ },
+};
+
+static struct platform_device *zoom_display_devices[] __initdata = {
+ &zoom_dss_device,
+};
+
+void __init zoom_display_init(void)
+{
+ platform_add_devices(zoom_display_devices,
+ ARRAY_SIZE(zoom_display_devices));
+ spi_register_board_info(nec_8048_spi_board_info,
+ ARRAY_SIZE(nec_8048_spi_board_info));
+ zoom_lcd_panel_init();
+}
+
diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c
index 6b39849..ebcfbed 100644
--- a/arch/arm/mach-omap2/board-zoom-peripherals.c
+++ b/arch/arm/mach-omap2/board-zoom-peripherals.c
@@ -27,6 +27,8 @@
#include "mux.h"
#include "hsmmc.h"
+#define LCD_PANEL_ENABLE_GPIO (7 + OMAP_MAX_GPIO_LINES)
+
/* Zoom2 has Qwerty keyboard*/
static int board_keymap[] = {
KEY(0, 0, KEY_E),
@@ -171,9 +173,43 @@ static struct omap2_hsmmc_info mmc[] __initdata = {
{} /* Terminator */
};
+static struct regulator_consumer_supply zoom_vpll2_supply =
+ REGULATOR_SUPPLY("vdds_dsi", "omapdss");
+
+static struct regulator_consumer_supply zoom_vdda_dac_supply =
+ REGULATOR_SUPPLY("vdda_dac", "omapdss");
+
+static struct regulator_init_data zoom_vpll2 = {
+ .constraints = {
+ .min_uV = 1800000,
+ .max_uV = 1800000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL
+ | REGULATOR_MODE_STANDBY,
+ .valid_ops_mask = REGULATOR_CHANGE_MODE
+ | REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = 1,
+ .consumer_supplies = &zoom_vpll2_supply,
+};
+
+static struct regulator_init_data zoom_vdac = {
+ .constraints = {
+ .min_uV = 1800000,
+ .max_uV = 1800000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL
+ | REGULATOR_MODE_STANDBY,
+ .valid_ops_mask = REGULATOR_CHANGE_MODE
+ | REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = 1,
+ .consumer_supplies = &zoom_vdda_dac_supply,
+};
+
static int zoom_twl_gpio_setup(struct device *dev,
unsigned gpio, unsigned ngpio)
{
+ int ret;
+
/* gpio + 0 is "mmc0_cd" (input/IRQ) */
mmc[0].gpio_cd = gpio + 0;
omap2_hsmmc_init(mmc);
@@ -185,7 +221,15 @@ static int zoom_twl_gpio_setup(struct device *dev,
zoom_vsim_supply.dev = mmc[0].dev;
zoom_vmmc2_supply.dev = mmc[1].dev;
- return 0;
+ ret = gpio_request(LCD_PANEL_ENABLE_GPIO, "lcd enable");
+ if (ret) {
+ pr_err("Failed to get LCD_PANEL_ENABLE_GPIO (gpio%d).\n",
+ LCD_PANEL_ENABLE_GPIO);
+ return ret;
+ }
+ gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 0);
+
+ return ret;
}
@@ -243,7 +287,8 @@ static struct twl4030_platform_data zoom_twldata = {
.vmmc1 = &zoom_vmmc1,
.vmmc2 = &zoom_vmmc2,
.vsim = &zoom_vsim,
-
+ .vpll2 = &zoom_vpll2,
+ .vdac = &zoom_vdac,
};
static struct i2c_board_info __initdata zoom_i2c_boardinfo[] = {
diff --git a/arch/arm/mach-omap2/include/mach/board-zoom.h b/arch/arm/mach-omap2/include/mach/board-zoom.h
index 3af69d2..8d8eeb2 100644
--- a/arch/arm/mach-omap2/include/mach/board-zoom.h
+++ b/arch/arm/mach-omap2/include/mach/board-zoom.h
@@ -3,9 +3,11 @@
*/
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
+#include <plat/display.h>
#define ZOOM_NAND_CS 0
extern void __init board_nand_init(struct mtd_partition *, u8 nr_parts, u8 cs);
extern int __init zoom_debugboard_init(void);
extern void __init zoom_peripherals_init(void);
+extern void __init zoom_display_init(void);
--
1.5.6.3
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