arm64: dts: mediatek: add smi support for mt8365 SoC

Smart Multimedia Interface (SMI) local arbiter does the arbitration for
memory requests from multi-media engines. Add SMI in the MT8365 DTS will
allow to add local ARBiter (LARB), use by IOMMU.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230207-iommu-support-v6-5-24453c8625b3@baylibre.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

diff --git a/arch/arm64/boot/dts/mediatek/mt8365.dtsi b/arch/arm64/boot/dts/mediatek/mt8365.dtsi
index c2f88d153deea8f8511945a08f0be64c1bd3a18d..a03b8c0da68b656b4b4f3fd51aac741c09d7f126 100644 (file)
--- a/arch/arm64/boot/dts/mediatek/mt8365.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8365.dtsi
@@ -340,16 +340,19 @@
                                                              "cam-4", "cam-5";
                                                #power-domain-cells = <0>;
                                                mediatek,infracfg = <&infracfg>;
+                                               mediatek,smi = <&smi_common>;
                                        };
 
                                        power-domain@MT8365_POWER_DOMAIN_VDEC {
                                                reg = <MT8365_POWER_DOMAIN_VDEC>;
                                                #power-domain-cells = <0>;
+                                               mediatek,smi = <&smi_common>;
                                        };
 
                                        power-domain@MT8365_POWER_DOMAIN_VENC {
                                                reg = <MT8365_POWER_DOMAIN_VENC>;
                                                #power-domain-cells = <0>;
+                                               mediatek,smi = <&smi_common>;
                                        };
 
                                        power-domain@MT8365_POWER_DOMAIN_APU {
@@ -367,6 +370,7 @@
                                                              "apu-5";
                                                #power-domain-cells = <0>;
                                                mediatek,infracfg = <&infracfg>;
+                                               mediatek,smi = <&smi_common>;
                                        };
                                };
 
@@ -720,6 +724,17 @@
                        #clock-cells = <1>;
                };
 
+               smi_common: smi@14002000 {
+                       compatible = "mediatek,mt8365-smi-common";
+                       reg = <0 0x14002000 0 0x1000>;
+                       clocks = <&mmsys CLK_MM_MM_SMI_COMMON>,
+                                <&mmsys CLK_MM_MM_SMI_COMMON>,
+                                <&mmsys CLK_MM_MM_SMI_COMM0>,
+                                <&mmsys CLK_MM_MM_SMI_COMM1>;
+                       clock-names = "apb", "smi", "gals0", "gals1";
+                       power-domains = <&spm MT8365_POWER_DOMAIN_MM>;
+               };
+
                camsys: syscon@15000000 {
                        compatible = "mediatek,mt8365-imgsys", "syscon";
                        reg = <0 0x15000000 0 0x1000>;