[U-Boot] [PATCH v4 0/2] sunxi: add PWM driver for A64

This series introduces a PWM driver for Allwinner A64.

This driver can be used to control backlight on Pinebook

v4: use the same binding as in Linux

Vasily Khoruzhick (2): pwm: sunxi: add support for PWM found on Allwinner A64 dts: sunxi: add PWM node for sun50i

arch/arm/dts/sun50i-a64.dtsi | 9 ++ arch/arm/include/asm/arch-sunxi/gpio.h | 1 + arch/arm/include/asm/arch-sunxi/pwm.h | 12 ++ drivers/pwm/Kconfig | 7 + drivers/pwm/Makefile | 1 + drivers/pwm/sunxi_pwm.c | 178 +++++++++++++++++++++++++ 6 files changed, 208 insertions(+) create mode 100644 drivers/pwm/sunxi_pwm.c