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authorLinus Torvalds <torvalds@linux-foundation.org>2014-04-04 21:28:36 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-04-04 21:28:36 -0700
commit8e0c0832348c7fda1c85d67697cfe4adf077344c (patch)
treecef1ffd1be7399d171edafc65f52661e81405068 /arch
parent05b1332eafba8eb250da2d2c4c52ed436a127f90 (diff)
parent13ba0ad4490c3dd08b15c430a7a01c6fb45d5bce (diff)
Merge tag 'fbdev-main-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev changes from Tomi Valkeinen: "Various fbdev fixes and improvements, but nothing big" * tag 'fbdev-main-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (38 commits) fbdev: Make the switch from generic to native driver less alarming Video: atmel: avoid the id of fix screen info is overwritten video: imxfb: Add DT default contrast control register property. video: atmel_lcdfb: ensure the hardware is initialized with the correct mode fbdev: vesafb: add dev->remove() callback fbdev: efifb: add dev->remove() callback video: pxa3xx-gcu: switch to devres functions video: pxa3xx-gcu: provide an empty .open call video: pxa3xx-gcu: pass around struct device * video: pxa3xx-gcu: rename some symbols sisfb: fix 1280x720 resolution support video: fbdev: uvesafb: Remove impossible code path in uvesafb_init_info video: fbdev: uvesafb: Remove redundant NULL check in uvesafb_remove fbdev: FB_OPENCORES should depend on HAS_DMA OMAPDSS: convert pixel clock to common videomode style OMAPDSS: Remove unused get_context_loss_count support OMAPDSS: use DISPC register to detect context loss video: da8xx-fb: Use "SIMPLE_DEV_PM_OPS" macro video: imxfb: Convert to SIMPLE_DEV_PM_OPS video: imxfb: Resolve mismatch between backlight/contrast ...
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-imx/mach-mx27ads.c55
-rw-r--r--arch/arm/mach-omap2/display.c1
2 files changed, 51 insertions, 5 deletions
diff --git a/arch/arm/mach-imx/mach-mx27ads.c b/arch/arm/mach-imx/mach-mx27ads.c
index 9821b824dcaf..a7a4a9c67615 100644
--- a/arch/arm/mach-imx/mach-mx27ads.c
+++ b/arch/arm/mach-imx/mach-mx27ads.c
@@ -21,6 +21,10 @@
#include <linux/mtd/physmap.h>
#include <linux/i2c.h>
#include <linux/irq.h>
+
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
+
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
@@ -195,14 +199,58 @@ static const struct imxi2c_platform_data mx27ads_i2c1_data __initconst = {
static struct i2c_board_info mx27ads_i2c_devices[] = {
};
-void lcd_power(int on)
+static void vgpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
- if (on)
+ if (value)
__raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_SET_REG);
else
__raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_CLEAR_REG);
}
+static int vgpio_dir_out(struct gpio_chip *chip, unsigned offset, int value)
+{
+ return 0;
+}
+
+#define MX27ADS_LCD_GPIO (6 * 32)
+
+static struct regulator_consumer_supply mx27ads_lcd_regulator_consumer =
+ REGULATOR_SUPPLY("lcd", "imx-fb.0");
+
+static struct regulator_init_data mx27ads_lcd_regulator_init_data = {
+ .constraints = {
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+},
+ .consumer_supplies = &mx27ads_lcd_regulator_consumer,
+ .num_consumer_supplies = 1,
+};
+
+static struct fixed_voltage_config mx27ads_lcd_regulator_pdata = {
+ .supply_name = "LCD",
+ .microvolts = 3300000,
+ .gpio = MX27ADS_LCD_GPIO,
+ .init_data = &mx27ads_lcd_regulator_init_data,
+};
+
+static void __init mx27ads_regulator_init(void)
+{
+ struct gpio_chip *vchip;
+
+ vchip = kzalloc(sizeof(*vchip), GFP_KERNEL);
+ vchip->owner = THIS_MODULE;
+ vchip->label = "LCD";
+ vchip->base = MX27ADS_LCD_GPIO;
+ vchip->ngpio = 1;
+ vchip->direction_output = vgpio_dir_out;
+ vchip->set = vgpio_set;
+ gpiochip_add(vchip);
+
+ platform_device_register_data(&platform_bus, "reg-fixed-voltage",
+ PLATFORM_DEVID_AUTO,
+ &mx27ads_lcd_regulator_pdata,
+ sizeof(mx27ads_lcd_regulator_pdata));
+}
+
static struct imx_fb_videomode mx27ads_modes[] = {
{
.mode = {
@@ -239,8 +287,6 @@ static const struct imx_fb_platform_data mx27ads_fb_data __initconst = {
.pwmr = 0x00A903FF,
.lscr1 = 0x00120300,
.dmacr = 0x00020010,
-
- .lcd_power = lcd_power,
};
static int mx27ads_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
@@ -304,6 +350,7 @@ static void __init mx27ads_board_init(void)
i2c_register_board_info(1, mx27ads_i2c_devices,
ARRAY_SIZE(mx27ads_i2c_devices));
imx27_add_imx_i2c(1, &mx27ads_i2c1_data);
+ mx27ads_regulator_init();
imx27_add_imx_fb(&mx27ads_fb_data);
imx27_add_mxc_mmc(0, &sdhc1_pdata);
imx27_add_mxc_mmc(1, &sdhc2_pdata);
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index 4cf165502b35..93ebb4007ea9 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -301,7 +301,6 @@ int __init omap_display_init(struct omap_dss_board_info *board_data)
board_data->version = ver;
board_data->dsi_enable_pads = omap_dsi_enable_pads;
board_data->dsi_disable_pads = omap_dsi_disable_pads;
- board_data->get_context_loss_count = omap_pm_get_dev_context_loss_count;
board_data->set_min_bus_tput = omap_dss_set_min_bus_tput;
omap_display_device.dev.platform_data = board_data;