On Wed, 16 Sep 2020, Maxime Ripard wrote:
On Wed, Sep 16, 2020 at 04:10:52PM +0200, Martin Cerveny wrote:
Add PWM and dummy power regulator support.
Modify data timings for LCD displays.

Signed-off-by: Martin Cerveny <m.cerv...@computer.org>
---
 configs/LicheePi_Zero_defconfig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configs/LicheePi_Zero_defconfig b/configs/LicheePi_Zero_defconfig
index 04d7b64504..ba1c085ec3 100644
--- a/configs/LicheePi_Zero_defconfig
+++ b/configs/LicheePi_Zero_defconfig
@@ -3,5 +3,9 @@ CONFIG_ARCH_SUNXI=y
 CONFIG_SPL=y
 CONFIG_MACH_SUN8I_V3S=y
 CONFIG_DRAM_CLK=360
+CONFIG_VIDEO_LCD_DCLK_PHASE=0
 CONFIG_DEFAULT_DEVICE_TREE="sun8i-v3s-licheepi-zero"
 # CONFIG_NETDEVICES is not set
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_PWM=y
+CONFIG_PWM_SUNXI=y

The LicheePi Zero doesn't have any display by default. Also you're
mentionning in your commit log that you "modify data timings", but I
don't see any timings in there?

CONFIG_VIDEO_LCD_DCLK_PHASE is LCD data clock phase,
standard "1" corrupts output on display,
see
- register "TCON0_IO_POL_REG" in V3S manual
- arch/arm/mach-sunxi/Kconfig

Regards.

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