| Message ID | 1314690756-19982-2-git-send-email-jason.chen@freescale.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, Aug 30, 2011 at 3:52 PM, <jason.chen@freescale.com> wrote: > From: Jason Chen <b02280@freescale.com> > > Signed-off-by: Jason Chen <b02280@freescale.com> > Signed-off-by: Jason Chen <jason.chen@linaro.org> > --- > arch/arm/mach-mx5/Kconfig | 1 + > arch/arm/mach-mx5/board-mx53_loco.c | 11 +++++++++++ > arch/arm/mach-mx5/devices-imx53.h | 4 ++++ > 3 files changed, 16 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig > index b4e7c58..1463cd3 100644 > --- a/arch/arm/mach-mx5/Kconfig > +++ b/arch/arm/mach-mx5/Kconfig > @@ -202,6 +202,7 @@ config MACH_MX53_LOCO > select IMX_HAVE_PLATFORM_IMX2_WDT > select IMX_HAVE_PLATFORM_IMX_I2C > select IMX_HAVE_PLATFORM_IMX_UART > + select IMX_HAVE_PLATFORM_MXC_PWM > select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX > select IMX_HAVE_PLATFORM_GPIO_KEYS > select LEDS_GPIO_REGISTER > diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c > index 4e1d51d..e2d916d 100644 > --- a/arch/arm/mach-mx5/board-mx53_loco.c > +++ b/arch/arm/mach-mx5/board-mx53_loco.c > @@ -22,6 +22,7 @@ > #include <linux/clk.h> > #include <linux/delay.h> > #include <linux/gpio.h> > +#include <linux/pwm_backlight.h> > > #include <mach/common.h> > #include <mach/hardware.h> > @@ -257,6 +258,13 @@ static const struct gpio_led_platform_data mx53loco_leds_data __initconst = { > .num_leds = ARRAY_SIZE(mx53loco_leds), > }; > > +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) > { > imx53_soc_init(); > @@ -273,6 +281,9 @@ static void __init mx53_loco_board_init(void) > imx53_add_sdhci_esdhc_imx(2, &mx53_loco_sd3_data); > imx_add_gpio_keys(&loco_button_data); > gpio_led_register_device(-1, &mx53loco_leds_data); > + > + imx53_add_mxc_pwm(1); > + imx53_add_mxc_pwm_backlight(0, &loco_pwm_backlight_data); > } > > static void __init mx53_loco_timer_init(void) > diff --git a/arch/arm/mach-mx5/devices-imx53.h b/arch/arm/mach-mx5/devices-imx53.h > index 258e68f..2aa8ef8 100644 > --- a/arch/arm/mach-mx5/devices-imx53.h > +++ b/arch/arm/mach-mx5/devices-imx53.h > @@ -44,3 +44,7 @@ extern const struct imx_imx_keypad_data imx53_imx_keypad_data; > extern const struct imx_mxc_pwm_data imx53_mxc_pwm_data[] __initconst; > #define imx53_add_mxc_pwm(id) \ > imx_add_mxc_pwm(&imx53_mxc_pwm_data[id]) > + > +#define imx53_add_mxc_pwm_backlight(id, pdata) \ > + platform_device_register_resndata(NULL, "pwm-backlight",\ > + id, NULL, 0, pdata, sizeof(*pdata)); This could be made more generic like imx_add_pwm_backlight()? So that other boards can make use of the same API as well.
diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig index b4e7c58..1463cd3 100644 --- a/arch/arm/mach-mx5/Kconfig +++ b/arch/arm/mach-mx5/Kconfig @@ -202,6 +202,7 @@ config MACH_MX53_LOCO select IMX_HAVE_PLATFORM_IMX2_WDT select IMX_HAVE_PLATFORM_IMX_I2C select IMX_HAVE_PLATFORM_IMX_UART + select IMX_HAVE_PLATFORM_MXC_PWM select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX select IMX_HAVE_PLATFORM_GPIO_KEYS select LEDS_GPIO_REGISTER diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c index 4e1d51d..e2d916d 100644 --- a/arch/arm/mach-mx5/board-mx53_loco.c +++ b/arch/arm/mach-mx5/board-mx53_loco.c @@ -22,6 +22,7 @@ #include <linux/clk.h> #include <linux/delay.h> #include <linux/gpio.h> +#include <linux/pwm_backlight.h> #include <mach/common.h> #include <mach/hardware.h> @@ -257,6 +258,13 @@ static const struct gpio_led_platform_data mx53loco_leds_data __initconst = { .num_leds = ARRAY_SIZE(mx53loco_leds), }; +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) { imx53_soc_init(); @@ -273,6 +281,9 @@ static void __init mx53_loco_board_init(void) imx53_add_sdhci_esdhc_imx(2, &mx53_loco_sd3_data); imx_add_gpio_keys(&loco_button_data); gpio_led_register_device(-1, &mx53loco_leds_data); + + imx53_add_mxc_pwm(1); + imx53_add_mxc_pwm_backlight(0, &loco_pwm_backlight_data); } static void __init mx53_loco_timer_init(void) diff --git a/arch/arm/mach-mx5/devices-imx53.h b/arch/arm/mach-mx5/devices-imx53.h index 258e68f..2aa8ef8 100644 --- a/arch/arm/mach-mx5/devices-imx53.h +++ b/arch/arm/mach-mx5/devices-imx53.h @@ -44,3 +44,7 @@ extern const struct imx_imx_keypad_data imx53_imx_keypad_data; extern const struct imx_mxc_pwm_data imx53_mxc_pwm_data[] __initconst; #define imx53_add_mxc_pwm(id) \ imx_add_mxc_pwm(&imx53_mxc_pwm_data[id]) + +#define imx53_add_mxc_pwm_backlight(id, pdata) \ + platform_device_register_resndata(NULL, "pwm-backlight",\ + id, NULL, 0, pdata, sizeof(*pdata));