diff options
| -rw-r--r-- | board/freescale/mx6q_sabresd/mx6q_sabresd.c | 27 | ||||
| -rw-r--r-- | include/configs/mx6dl_sabresd.h | 4 | ||||
| -rw-r--r-- | include/configs/mx6q_sabresd.h | 4 |
3 files changed, 21 insertions, 14 deletions
diff --git a/board/freescale/mx6q_sabresd/mx6q_sabresd.c b/board/freescale/mx6q_sabresd/mx6q_sabresd.c index 3989b23..92e3463 100644 --- a/board/freescale/mx6q_sabresd/mx6q_sabresd.c +++ b/board/freescale/mx6q_sabresd/mx6q_sabresd.c @@ -33,6 +33,7 @@ #endif #if defined(CONFIG_VIDEO_MX5) +#include <asm/imx_pwm.h> #include <linux/list.h> #include <linux/fb.h> #include <linux/mxcfb.h> @@ -99,6 +100,11 @@ unsigned short colormap[65536]; unsigned short colormap[16777216]; #endif +static struct pwm_device pwm0 = { + .pwm_id = 0, + .pwmo_invert = 0, +}; + static int di = 1; extern int ipuv3_fb_init(struct fb_videomode *mode, int di, @@ -1373,31 +1379,24 @@ void lcd_enable(void) */ g_ipu_hw_rev = IPUV3_HW_REV_IPUV3H; + imx_pwm_config(pwm0, 25000, 50000); + imx_pwm_enable(pwm0); + #if defined CONFIG_MX6Q - /* GPIO backlight */ - mxc_iomux_v3_setup_pad(MX6Q_PAD_SD1_DAT3__GPIO_1_21); + /* PWM backlight */ + mxc_iomux_v3_setup_pad(MX6Q_PAD_SD1_DAT3__PWM1_PWMO); /* LVDS panel CABC_EN0 */ mxc_iomux_v3_setup_pad(MX6Q_PAD_NANDF_CS2__GPIO_6_15); /* LVDS panel CABC_EN1 */ mxc_iomux_v3_setup_pad(MX6Q_PAD_NANDF_CS3__GPIO_6_16); #elif defined CONFIG_MX6DL - /* GPIO backlight */ - mxc_iomux_v3_setup_pad(MX6DL_PAD_SD1_DAT3__GPIO_1_21); + /* PWM backlight */ + mxc_iomux_v3_setup_pad(MX6DL_PAD_SD1_DAT3__PWM1_PWMO); /* LVDS panel CABC_EN0 */ mxc_iomux_v3_setup_pad(MX6DL_PAD_NANDF_CS2__GPIO_6_15); /* LVDS panel CABC_EN1 */ mxc_iomux_v3_setup_pad(MX6DL_PAD_NANDF_CS3__GPIO_6_16); #endif - - /* Set GPIO backlight to high. */ - reg = readl(GPIO1_BASE_ADDR + GPIO_GDIR); - reg |= (1 << 21); - writel(reg, GPIO1_BASE_ADDR + GPIO_GDIR); - - reg = readl(GPIO1_BASE_ADDR + GPIO_DR); - reg |= (1 << 21); - writel(reg, GPIO1_BASE_ADDR + GPIO_DR); - /* * Set LVDS panel CABC_EN0 to low to disable * CABC function. This function will turn backlight diff --git a/include/configs/mx6dl_sabresd.h b/include/configs/mx6dl_sabresd.h index 1d32ffb..b59bd8b 100644 --- a/include/configs/mx6dl_sabresd.h +++ b/include/configs/mx6dl_sabresd.h @@ -346,6 +346,10 @@ #define CONFIG_BMP_8BPP #define CONFIG_SPLASH_SCREEN_ALIGN #define CONFIG_SYS_WHITE_ON_BLACK + + #define CONFIG_IMX_PWM + #define IMX_PWM1_BASE PWM1_BASE_ADDR + #define IMX_PWM2_BASE PWM2_BASE_ADDR #endif #endif /* CONFIG_SPLASH_SCREEN */ #endif /* __CONFIG_H */ diff --git a/include/configs/mx6q_sabresd.h b/include/configs/mx6q_sabresd.h index 0cd57d9..5717eec 100644 --- a/include/configs/mx6q_sabresd.h +++ b/include/configs/mx6q_sabresd.h @@ -343,5 +343,9 @@ #define CONFIG_FB_BASE (TEXT_BASE + 0x300000) #define CONFIG_SPLASH_SCREEN_ALIGN #define CONFIG_SYS_WHITE_ON_BLACK + + #define CONFIG_IMX_PWM + #define IMX_PWM1_BASE PWM1_BASE_ADDR + #define IMX_PWM2_BASE PWM2_BASE_ADDR #endif #endif /* __CONFIG_H */ |