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[2/2] ARM MX53_LOCO: add pwm backlight device

Message ID 1298961018-8988-2-git-send-email-b02280@freescale.com
State New
Headers show

Commit Message

Jason Chen March 1, 2011, 6:30 a.m. UTC 
Signed-off-by: Jason Chen <b02280@freescale.com>
---
 arch/arm/mach-mx5/board-mx53_loco.c |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)
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Patch

diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c
index 160899e..6c42185 100644
--- a/arch/arm/mach-mx5/board-mx53_loco.c
+++ b/arch/arm/mach-mx5/board-mx53_loco.c
@@ -23,6 +23,7 @@ 
 #include <linux/fec.h>
 #include <linux/delay.h>
 #include <linux/gpio.h>
+#include <linux/pwm_backlight.h>
 
 #include <mach/common.h>
 #include <mach/hardware.h>
@@ -35,6 +36,7 @@ 
 
 #include "crm_regs.h"
 #include "devices-imx53.h"
+#include "devices.h"
 
 #define LOCO_FEC_PHY_RST		IMX_GPIO_NR(7, 6)
 
@@ -203,6 +205,13 @@  static const struct imxi2c_platform_data mx53_loco_i2c_data __initconst = {
 	.bitrate = 100000,
 };
 
+static struct platform_pwm_backlight_data loco_pwm_backlight_data = {
+	.pwm_id = 1,
+	.max_brightness = 255,
+	.dft_brightness = 128,
+	.pwm_period_ns = 50000,
+};
+
 static void __init mx53_loco_board_init(void)
 {
 	mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads,
@@ -213,6 +222,10 @@  static void __init mx53_loco_board_init(void)
 	imx53_add_imx2_wdt(0, NULL);
 	imx53_add_imx_i2c(0, &mx53_loco_i2c_data);
 	imx53_add_imx_i2c(1, &mx53_loco_i2c_data);
+
+	imx53_add_mxc_pwm(1);
+	mxc_register_device(&mxc_pwm1_backlight_device,
+			&loco_pwm_backlight_data);
 }
 
 static void __init mx53_loco_timer_init(void)