On 21/02/2022 10:19, Sergei Shtylyov wrote: > On 2/20/22 5:55 PM, Sui Jingfeng wrote: > >> From: suijingfeng <suijingfeng@xxxxxxxxxxx> >> >> The display controller is a pci device, its PCI vendor id is 0x0014 >> its PCI device id is 0x7a06. >> >> 1) In order to let the driver to know which chip the DC is contained >> in, the compatible string of the display controller is updated >> according to the chip's name. >> >> 2) Add display controller device node for ls2k1000 SoC >> >> Reported-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> >> Signed-off-by: suijingfeng <suijingfeng@xxxxxxxxxxx> >> Signed-off-by: Sui Jingfeng <15330273260@xxxxxx> >> --- >> arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi | 8 ++++++++ >> arch/mips/boot/dts/loongson/ls7a-pch.dtsi | 7 ++----- >> 2 files changed, 10 insertions(+), 5 deletions(-) >> >> diff --git a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi >> index 768cf2abcea3..af9cda540f9e 100644 >> --- a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi >> +++ b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi >> @@ -209,6 +209,14 @@ gpu@5,0 { >> interrupt-parent = <&liointc0>; >> }; >> >> + lsdc: display-controller@6,0 { > > Shouldn't the node name just be "display", according to the section 2.2.2 > of the DT spec? lcd-controller, led-controller. As I understood from the bindings, this is not physical device displaying something (like a panel) but rather a device controlling such panel. Therefore display-controller feels appropriate. Best regards, Krzysztof