From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Kocialkowski Date: Sat, 6 Oct 2018 12:07:17 +0200 Subject: [U-Boot] [PATCH 3/4] sunxi: display: Also use the PWM controller for backlight on sun7i In-Reply-To: <20181006100718.3482-1-contact@paulk.fr> References: <20181006100718.3482-1-contact@paulk.fr> Message-ID: <20181006100718.3482-3-contact@paulk.fr> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Using PWM to drive the backlight pin instead of a GPIO provides various advantages, that are described in commit 421c98d7d2 ("sunxi: display: Use PWM to drive backlight where applicable"). Defining SUNXI_PWM_PIN0 triggers the configuration of the PWM controller in the display driver. Signed-off-by: Paul Kocialkowski --- arch/arm/include/asm/arch-sunxi/pwm.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm/include/asm/arch-sunxi/pwm.h b/arch/arm/include/asm/arch-sunxi/pwm.h index 47eb433fb6..a9588a04f3 100644 --- a/arch/arm/include/asm/arch-sunxi/pwm.h +++ b/arch/arm/include/asm/arch-sunxi/pwm.h @@ -15,7 +15,8 @@ #define SUNXI_PWM_PERIOD_80PCT 0x04af03c0 -#if defined CONFIG_MACH_SUN4I || defined CONFIG_MACH_SUN5I +#if defined CONFIG_MACH_SUN4I || defined CONFIG_MACH_SUN5I || \ + defined CONFIG_MACH_SUN7I #define SUNXI_PWM_PIN0 SUNXI_GPB(2) #define SUNXI_PWM_MUX SUN4I_GPB_PWM #endif -- 2.19.0