[PATCH v1 1/5] arm64: dts: nuvoton: Add node for NPCM Video Capture/Encode Engine
Marvin Lin
milkfafa at gmail.com
Fri Oct 7 13:54:09 AEDT 2022
Add node for Video Capture/Differentiation Engine (VCD) and Encoding
Compression Engine (ECE) present on Nuvoton NPCM SoCs.
Signed-off-by: Marvin Lin <milkfafa at gmail.com>
---
.../dts/nuvoton/nuvoton-common-npcm8xx.dtsi | 19 +++++++++++++++++++
.../boot/dts/nuvoton/nuvoton-npcm845-evb.dts | 18 ++++++++++++++++++
2 files changed, 37 insertions(+)
diff --git a/arch/arm64/boot/dts/nuvoton/nuvoton-common-npcm8xx.dtsi b/arch/arm64/boot/dts/nuvoton/nuvoton-common-npcm8xx.dtsi
index 28ba3b4633bb..925e3c42278c 100644
--- a/arch/arm64/boot/dts/nuvoton/nuvoton-common-npcm8xx.dtsi
+++ b/arch/arm64/boot/dts/nuvoton/nuvoton-common-npcm8xx.dtsi
@@ -152,6 +152,19 @@ pcimbox: pcimbox at f0848000 {
interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
};
+ video: video at f0810000 {
+ compatible = "nuvoton,npcm845-video";
+ reg = <0x0 0xf0810000 0x0 0x10000>, <0x0 0xf0820000 0x0 0x2000>;
+ reg-names = "vcd", "ece";
+ interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
+ resets = <&rstc NPCM8XX_RESET_IPSRST2 NPCM8XX_RESET_VCD>,
+ <&rstc NPCM8XX_RESET_IPSRST2 NPCM8XX_RESET_ECE>;
+ reset-names = "vcd", "ece";
+ gcr-syscon = <&gcr>;
+ gfxi-syscon = <&gfxi>;
+ status = "disabled";
+ };
+
apb {
#address-cells = <1>;
#size-cells = <1>;
@@ -782,6 +795,12 @@ i2c26: i2c at fff0a000 {
nuvoton,sys-mgr = <&gcr>;
status = "disabled";
};
+
+ gfxi: gfxi at e000 {
+ compatible = "nuvoton,npcm845-gfxi", "syscon",
+ "simple-mfd";
+ reg = <0xe000 0x100>;
+ };
};
};
diff --git a/arch/arm64/boot/dts/nuvoton/nuvoton-npcm845-evb.dts b/arch/arm64/boot/dts/nuvoton/nuvoton-npcm845-evb.dts
index 577e031e11e4..4dbf65ab9dd2 100644
--- a/arch/arm64/boot/dts/nuvoton/nuvoton-npcm845-evb.dts
+++ b/arch/arm64/boot/dts/nuvoton/nuvoton-npcm845-evb.dts
@@ -65,6 +65,19 @@ chosen {
memory {
reg = <0x0 0x0 0x0 0x40000000>;
};
+
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ video_memory: framebuffer at 0x33000000 {
+ compatible = "shared-dma-pool";
+ reg = <0x0 0x33000000 0x0 0x01800000>;
+ reusable;
+ linux,cma-default;
+ };
+ };
};
&serial0 {
@@ -493,3 +506,8 @@ &pin241_slew
&pin242_slew
&pin243_slew>;
};
+
+&video {
+ status = "okay";
+ memory-region = <&video_memory>;
+};
--
2.34.1
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