Hi Andrey, I have a couple of 15" LCDs (different makers) with Cubieboard A20 (kernel 3.4) i would like to test your implementation if possible. Can you share a kernel tree with your code and where should i change the timings for each Panel?
BR @lex On Wednesday, February 12, 2020 at 7:25:41 PM UTC-3, Andrey Lebedev wrote: > > From: Andrey Lebedev <[email protected] <javascript:>> > > Define pins for LVDS channels 0 and 1, configure reset line for tcon0 and > provide sample LVDS panel, connected to tcon0. > > Signed-off-by: Andrey Lebedev <[email protected] <javascript:>> > --- > arch/arm/boot/dts/sun7i-a20.dtsi | 45 +++++++++++++++++++++++++++++--- > 1 file changed, 42 insertions(+), 3 deletions(-) > > diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi > b/arch/arm/boot/dts/sun7i-a20.dtsi > index 92b5be97085d..b05fdf8df32e 100644 > --- a/arch/arm/boot/dts/sun7i-a20.dtsi > +++ b/arch/arm/boot/dts/sun7i-a20.dtsi > @@ -47,6 +47,7 @@ > #include <dt-bindings/dma/sun4i-a10.h> > #include <dt-bindings/clock/sun7i-a20-ccu.h> > #include <dt-bindings/reset/sun4i-a10-ccu.h> > +#include <dt-bindings/pinctrl/sun4i-a10.h> > > / { > interrupt-parent = <&gic>; > @@ -407,8 +408,8 @@ > compatible = "allwinner,sun7i-a20-tcon"; > reg = <0x01c0c000 0x1000>; > interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>; > - resets = <&ccu RST_TCON0>; > - reset-names = "lcd"; > + resets = <&ccu RST_TCON0>, <&ccu RST_LVDS>; > + reset-names = "lcd", "lvds"; > clocks = <&ccu CLK_AHB_LCD0>, > <&ccu CLK_TCON0_CH0>, > <&ccu CLK_TCON0_CH1>; > @@ -444,6 +445,11 @@ > #size-cells = <0>; > reg = <1>; > > + tcon0_out_lvds: endpoint@0 { > + reg = <0>; > + remote-endpoint = > <&lvds_in_tcon0>; > + allwinner,tcon-channel = > <0>; > + }; > tcon0_out_hdmi: endpoint@1 { > reg = <1>; > remote-endpoint = > <&hdmi_in_tcon0>; > @@ -686,6 +692,19 @@ > }; > }; > > + lvds_panel: panel@1c16500 { > + compatible = "panel-lvds"; > + #address-cells = <1>; > + #size-cells = <0>; > + status = "disabled"; > + > + port { > + lvds_in_tcon0: endpoint { > + remote-endpoint = > <&tcon0_out_lvds>; > + }; > + }; > + }; > + > spi2: spi@1c17000 { > compatible = "allwinner,sun4i-a10-spi"; > reg = <0x01c17000 0x1000>; > @@ -872,7 +891,7 @@ > gmac_rgmii_pins: gmac-rgmii-pins { > pins = "PA0", "PA1", "PA2", > "PA3", "PA4", "PA5", "PA6", > - "PA7", "PA8", "PA10", > + "PA7", "PA8", "PA10", > "PA11", "PA12", "PA13", > "PA15", "PA16"; > function = "gmac"; > @@ -1162,6 +1181,26 @@ > pins = "PI20", "PI21"; > function = "uart7"; > }; > + > + /omit-if-no-ref/ > + lcd_lvds0_pins: lcd_lvds0_pins { > + allwinner,pins = > + "PD0", "PD1", "PD2", "PD3", > "PD4", > + "PD5", "PD6", "PD7", "PD8", > "PD9"; > + allwinner,function = "lvds0"; > + allwinner,drive = <SUN4I_PINCTRL_10_MA>; > + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; > + }; > + > + /omit-if-no-ref/ > + lcd_lvds1_pins: lcd_lvds1_pins { > + allwinner,pins = > + "PD10", "PD11", "PD12", "PD13", > "PD14", > + "PD15", "PD16", "PD17", "PD18", > "PD19"; > + allwinner,function = "lvds1"; > + allwinner,drive = <SUN4I_PINCTRL_10_MA>; > + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; > + }; > }; > > timer@1c20c00 { > -- > 2.20.1 > > -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/linux-sunxi/94487b9a-e263-4ed3-b13f-ae3ecf4b2bf4%40googlegroups.com.
