From: suijingfeng suijingfeng@loongson.cn
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 chip which the DC is contained in, the compatible string is updated according to the chip's name.
2) Add display controller device node for ls2k1000 SoC
Signed-off-by: suijingfeng suijingfeng@loongson.cn Signed-off-by: Sui Jingfeng 15330273260@189.cn --- 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 { + compatible = "loongson,ls2k1000-dc"; + + reg = <0x3000 0x0 0x0 0x0 0x0>; + interrupts = <28 IRQ_TYPE_LEVEL_LOW>; + interrupt-parent = <&liointc0>; + }; + pci_bridge@9,0 { compatible = "pci0014,7a19.0", "pci0014,7a19", diff --git a/arch/mips/boot/dts/loongson/ls7a-pch.dtsi b/arch/mips/boot/dts/loongson/ls7a-pch.dtsi index 2f45fce2cdc4..ec35ea9b2fe8 100644 --- a/arch/mips/boot/dts/loongson/ls7a-pch.dtsi +++ b/arch/mips/boot/dts/loongson/ls7a-pch.dtsi @@ -160,11 +160,8 @@ gpu@6,0 { interrupt-parent = <&pic>; };
- dc@6,1 { - compatible = "pci0014,7a06.0", - "pci0014,7a06", - "pciclass030000", - "pciclass0300"; + lsdc: display-controller@6,1 { + compatible = "loongson,ls7a1000-dc";
reg = <0x3100 0x0 0x0 0x0 0x0>; interrupts = <28 IRQ_TYPE_LEVEL_HIGH>;