From mboxrd@z Thu Jan 1 00:00:00 1970 From: jason.chen@freescale.com (jason.chen at freescale.com) Date: Tue, 30 Aug 2011 15:52:36 +0800 Subject: [PATCH 2/2] ARM: mx53/loco: add pwm backlight device In-Reply-To: <1314690756-19982-1-git-send-email-jason.chen@freescale.com> References: <1314690756-19982-1-git-send-email-jason.chen@freescale.com> Message-ID: <1314690756-19982-2-git-send-email-jason.chen@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Jason Chen Signed-off-by: Jason Chen Signed-off-by: Jason Chen --- 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 #include #include +#include #include #include @@ -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)); -- 1.7.4.1