[PATCH v2 11/17] arm64: dts: mediatek: mt6795: Add support for IOMMU and LARBs
AngeloGioacchino Del Regno
angelogioacchino.delregno at collabora.com
Mon Mar 27 01:36:41 PDT 2023
Add nodes for the multimedia IOMMU and its LARBs: this includes all but
the MJC LARB, which cannot currently be used and will be added later.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
---
arch/arm64/boot/dts/mediatek/mt6795.dtsi | 59 ++++++++++++++++++++++++
1 file changed, 59 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt6795.dtsi b/arch/arm64/boot/dts/mediatek/mt6795.dtsi
index a8b2c4517e79..a580ddb51a0e 100644
--- a/arch/arm64/boot/dts/mediatek/mt6795.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt6795.dtsi
@@ -390,6 +390,17 @@ systimer: timer at 10200670 {
clock-names = "clk13m";
};
+ iommu: iommu at 10205000 {
+ compatible = "mediatek,mt6795-m4u";
+ reg = <0 0x10205000 0 0x1000>;
+ clocks = <&infracfg CLK_INFRA_M4U>;
+ clock-names = "bclk";
+ interrupts = <GIC_SPI 146 IRQ_TYPE_LEVEL_LOW>;
+ mediatek,larbs = <&larb0 &larb1 &larb2 &larb3>;
+ power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
+ #iommu-cells = <1>;
+ };
+
apmixedsys: syscon at 10209000 {
compatible = "mediatek,mt6795-apmixedsys", "syscon";
reg = <0 0x10209000 0 0x1000>;
@@ -648,16 +659,64 @@ mmsys: syscon at 14000000 {
mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0 0x1000>;
};
+ larb0: larb at 14021000 {
+ compatible = "mediatek,mt6795-smi-larb";
+ reg = <0 0x14021000 0 0x1000>;
+ clocks = <&mmsys CLK_MM_SMI_COMMON>, <&mmsys CLK_MM_SMI_LARB0>;
+ clock-names = "apb", "smi";
+ mediatek,smi = <&smi_common>;
+ mediatek,larb-id = <0>;
+ power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
+ };
+
+ smi_common: smi at 14022000 {
+ compatible = "mediatek,mt6795-smi-common";
+ reg = <0 0x14022000 0 0x1000>;
+ power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
+ clocks = <&infracfg CLK_INFRA_SMI>, <&mmsys CLK_MM_SMI_COMMON>;
+ clock-names = "apb", "smi";
+ };
+
+ larb2: larb at 15001000 {
+ compatible = "mediatek,mt6795-smi-larb";
+ reg = <0 0x15001000 0 0x1000>;
+ clocks = <&mmsys CLK_MM_SMI_COMMON>, <&infracfg CLK_INFRA_SMI>;
+ clock-names = "apb", "smi";
+ mediatek,smi = <&smi_common>;
+ mediatek,larb-id = <2>;
+ power-domains = <&spm MT6795_POWER_DOMAIN_ISP>;
+ };
+
vdecsys: clock-controller at 16000000 {
compatible = "mediatek,mt6795-vdecsys";
reg = <0 0x16000000 0 0x1000>;
#clock-cells = <1>;
};
+ larb1: larb at 16010000 {
+ compatible = "mediatek,mt6795-smi-larb";
+ reg = <0 0x16010000 0 0x1000>;
+ mediatek,smi = <&smi_common>;
+ mediatek,larb-id = <1>;
+ clocks = <&vdecsys CLK_VDEC_CKEN>, <&vdecsys CLK_VDEC_LARB_CKEN>;
+ clock-names = "apb", "smi";
+ power-domains = <&spm MT6795_POWER_DOMAIN_VDEC>;
+ };
+
vencsys: clock-controller at 18000000 {
compatible = "mediatek,mt6795-vencsys";
reg = <0 0x18000000 0 0x1000>;
#clock-cells = <1>;
};
+
+ larb3: larb at 18001000 {
+ compatible = "mediatek,mt6795-smi-larb";
+ reg = <0 0x18001000 0 0x1000>;
+ clocks = <&vencsys CLK_VENC_VENC>, <&vencsys CLK_VENC_LARB>;
+ clock-names = "apb", "smi";
+ mediatek,smi = <&smi_common>;
+ mediatek,larb-id = <3>;
+ power-domains = <&spm MT6795_POWER_DOMAIN_VENC>;
+ };
};
};
--
2.40.0
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