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authorLinus Torvalds <torvalds@linux-foundation.org>2015-11-10 14:56:23 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-11-10 14:56:23 -0800
commit56e0464980febfa50432a070261579415c72664e (patch)
treeec4753abd2562c317ed5f33b81c156b319456fd5 /arch/arm/mach-s3c24xx/mach-h1940.c
parenta5e1d715a8d0696961d99d31d869aa522f1cad5a (diff)
parentb1e4006aeda8c8784029de17d47987c21ea75f6d (diff)
Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson: "New and/or improved SoC support for this release: Marvell Berlin: - Enable standard DT-based cpufreq - Add CPU hotplug support Freescale: - Ethernet init for i.MX7D - Suspend/resume support for i.MX6UL Allwinner: - Support for R8 chipset (used on NTC's $9 C.H.I.P board) Mediatek: - SMP support for some platforms Uniphier: - L2 support - Cleaned up SMP support, etc. plus a handful of other patches around above functionality, and a few other smaller changes" * tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (42 commits) ARM: uniphier: rework SMP operations to use trampoline code ARM: uniphier: add outer cache support Documentation: EXYNOS: Update bootloader interface on exynos542x ARM: mvebu: add broken-idle option ARM: orion5x: use mac_pton() helper ARM: at91: pm: at91_pm_suspend_in_sram() must be 8-byte aligned ARM: sunxi: Add R8 support ARM: digicolor: select pinctrl/gpio driver arm: berlin: add CPU hotplug support arm: berlin: use non-self-cleared reset register to reset cpu ARM: mediatek: add smp bringup code ARM: mediatek: enable gpt6 on boot up to make arch timer working soc: mediatek: Fix random hang up issue while kernel init soc: ti: qmss: make acc queue support optional in the driver soc: ti: add firmware file name as part of the driver Documentation: dt: soc: Add description for knav qmss driver ARM: S3C64XX: Use PWM lookup table for mach-smartq ARM: S3C64XX: Use PWM lookup table for mach-hmt ARM: S3C64XX: Use PWM lookup table for mach-crag6410 ARM: S3C64XX: Use PWM lookup table for smdk6410 ...
Diffstat (limited to 'arch/arm/mach-s3c24xx/mach-h1940.c')
-rw-r--r--arch/arm/mach-s3c24xx/mach-h1940.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/arm/mach-s3c24xx/mach-h1940.c b/arch/arm/mach-s3c24xx/mach-h1940.c
index d40d4f5244c6..9f54300df4b3 100644
--- a/arch/arm/mach-s3c24xx/mach-h1940.c
+++ b/arch/arm/mach-s3c24xx/mach-h1940.c
@@ -25,6 +25,7 @@
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/gpio_keys.h>
+#include <linux/pwm.h>
#include <linux/pwm_backlight.h>
#include <linux/i2c.h>
#include <linux/leds.h>
@@ -469,6 +470,11 @@ static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = {
.ocr_avail = MMC_VDD_32_33,
};
+static struct pwm_lookup h1940_pwm_lookup[] = {
+ PWM_LOOKUP("samsung-pwm", 0, "pwm-backlight", NULL, 36296,
+ PWM_POLARITY_NORMAL),
+};
+
static int h1940_backlight_init(struct device *dev)
{
gpio_request(S3C2410_GPB(0), "Backlight");
@@ -503,11 +509,8 @@ static void h1940_backlight_exit(struct device *dev)
static struct platform_pwm_backlight_data backlight_data = {
- .pwm_id = 0,
.max_brightness = 100,
.dft_brightness = 50,
- /* tcnt = 0x31 */
- .pwm_period_ns = 36296,
.enable_gpio = -1,
.init = h1940_backlight_init,
.notify = h1940_backlight_notify,
@@ -725,6 +728,7 @@ static void __init h1940_init(void)
gpio_request(H1940_LATCH_SD_POWER, "SD power");
gpio_direction_output(H1940_LATCH_SD_POWER, 0);
+ pwm_add_table(h1940_pwm_lookup, ARRAY_SIZE(h1940_pwm_lookup));
platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
gpio_request(S3C2410_GPA(1), "Red LED blink");