arm64: dts: mediatek: mt6795: Add MMSYS node for multimedia clocks

Add the MultiMedia System node, providing clocks for the multimedia
hardware blocks and their IOMMU/SMIs.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230412112739.160376-18-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

diff --git a/arch/arm64/boot/dts/mediatek/mt6795.dtsi b/arch/arm64/boot/dts/mediatek/mt6795.dtsi
index a754355..32858bf 100644 (file)
--- a/arch/arm64/boot/dts/mediatek/mt6795.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt6795.dtsi
@@ -654,6 +654,19 @@
                        status = "disabled";
                };
 
+               mmsys: syscon@14000000 {
+                       compatible = "mediatek,mt6795-mmsys", "syscon";
+                       reg = <0 0x14000000 0 0x1000>;
+                       power-domains = <&spm MT6795_POWER_DOMAIN_MM>;
+                       assigned-clocks = <&topckgen CLK_TOP_MM_SEL>;
+                       assigned-clock-rates = <400000000>;
+                       #clock-cells = <1>;
+                       #reset-cells = <1>;
+                       mboxes = <&gce 0 CMDQ_THR_PRIO_HIGHEST>,
+                                <&gce 1 CMDQ_THR_PRIO_HIGHEST>;
+                       mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0 0x1000>;
+               };
+
                vdecsys: clock-controller@16000000 {
                        compatible = "mediatek,mt6795-vdecsys";
                        reg = <0 0x16000000 0 0x1000>;