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Subject[PATCH 1/2] Mips: ls2k1000: dts: add the display controller device node
Date
The display controller is a pci device, it's pci vendor id is
0x0014, it's pci device id is 0x7a06.

Signed-off-by: suijingfeng <suijingfeng@loongson.cn>
---
.../boot/dts/loongson/loongson64-2k1000.dtsi | 21 +++++++++++++++++++
1 file changed, 21 insertions(+)

diff --git a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi
index 8143a61111e3..a528af3977d9 100644
--- a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi
+++ b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi
@@ -31,6 +31,18 @@ memory@200000 {
<0x00000001 0x10000000 0x00000001 0xb0000000>; /* 6912 MB at 4352MB */
};

+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ display_reserved: framebuffer@30000000 {
+ compatible = "shared-dma-pool";
+ reg = <0x0 0x30000000 0x0 0x04000000>; /* 64M */
+ linux,cma-default;
+ };
+ };
+
cpu_clk: cpu_clk {
#clock-cells = <0>;
compatible = "fixed-clock";
@@ -198,6 +210,15 @@ sata@8,0 {
interrupt-parent = <&liointc0>;
};

+ display-controller@6,0 {
+ compatible = "loongson,ls2k1000-dc";
+
+ reg = <0x3000 0x0 0x0 0x0 0x0>;
+ interrupts = <28 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&liointc0>;
+ memory-region = <&display_reserved>;
+ };
+
pci_bridge@9,0 {
compatible = "pci0014,7a19.0",
"pci0014,7a19",
--
2.34.1
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