From mboxrd@z Thu Jan 1 00:00:00 1970 From: b02280@freescale.com (Jason Chen) Date: Tue, 1 Mar 2011 17:38:23 +0800 Subject: [PATCH 2/2] ARM MX53_LOCO: add pwm backlight device In-Reply-To: <1298972303-1010-1-git-send-email-b02280@freescale.com> References: <1298972303-1010-1-git-send-email-b02280@freescale.com> Message-ID: <1298972303-1010-2-git-send-email-b02280@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 f065a0d..baf5223 100644 --- a/arch/arm/mach-mx5/Kconfig +++ b/arch/arm/mach-mx5/Kconfig @@ -162,6 +162,7 @@ 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 help Include support for MX53 LOCO platform. This includes specific configurations for the board and its peripherals. diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c index 160899e..3b0b200 100644 --- a/arch/arm/mach-mx5/board-mx53_loco.c +++ b/arch/arm/mach-mx5/board-mx53_loco.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include @@ -203,6 +204,13 @@ 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 +221,9 @@ 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); + 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 5a1d6c9..e9c5661 100644 --- a/arch/arm/mach-mx5/devices-imx53.h +++ b/arch/arm/mach-mx5/devices-imx53.h @@ -37,3 +37,7 @@ extern const struct imx_imx2_wdt_data imx53_imx2_wdt_data[] __initconst; 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) \ + imx_add_platform_device("pwm-backlight", id, NULL, \ + 0, pdata, sizeof(*pdata)); -- 1.7.1