Add a basic GPU node and opp table for mt8183.

The binding we use with out-of-tree Mali drivers includes more
clocks, I assume this would be required eventually if we have an
in-tree driver:
clocks =
        <&topckgen CLK_TOP_MFGPLL_CK>,
        <&topckgen CLK_TOP_MUX_MFG>,
        <&clk26m>,
        <&mfgcfg CLK_MFG_BG3D>;
clock-names =
        "clk_main_parent",
        "clk_mux",
        "clk_sub_parent",
        "subsys_mfg_cg";

Signed-off-by: Nicolas Boichat <[email protected]>

---
Upstreaming what matches existing bindings from our Chromium OS tree:
https://chromium.googlesource.com/chromiumos/third_party/kernel/+/chromeos-4.19/arch/arm64/boot/dts/mediatek/mt8183.dtsi#1348

The evb part of this change depends on this patch to add PMIC dtsi:
https://patchwork.kernel.org/patch/10928161/

 arch/arm64/boot/dts/mediatek/mt8183-evb.dts |   7 ++
 arch/arm64/boot/dts/mediatek/mt8183.dtsi    | 103 ++++++++++++++++++++
 2 files changed, 110 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts 
b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
index 1fb195c683c3d01..200d8e65a6368a1 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
@@ -7,6 +7,7 @@
 
 /dts-v1/;
 #include "mt8183.dtsi"
+#include "mt6358.dtsi"
 
 / {
        model = "MediaTek MT8183 evaluation board";
@@ -30,6 +31,12 @@
        status = "okay";
 };
 
+&gpu {
+       supply-names = "mali", "mali_sram";
+       mali-supply = <&mt6358_vgpu_reg>;
+       mali_sram-supply = <&mt6358_vsram_gpu_reg>;
+};
+
 &i2c0 {
        pinctrl-names = "default";
        pinctrl-0 = <&i2c_pins_0>;
diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi 
b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index 97f84aa9fc6e1c1..8ea548a762ea252 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -579,6 +579,109 @@
                        #clock-cells = <1>;
                };
 
+               gpu: mali@13040000 {
+                       compatible = "mediatek,mt8183-mali", "arm,mali-bifrost";
+                       reg = <0 0x13040000 0 0x4000>;
+                       interrupts =
+                               <GIC_SPI 280 IRQ_TYPE_LEVEL_LOW>,
+                               <GIC_SPI 279 IRQ_TYPE_LEVEL_LOW>,
+                               <GIC_SPI 278 IRQ_TYPE_LEVEL_LOW>;
+                       interrupt-names = "job", "mmu", "gpu";
+
+                       clocks = <&topckgen CLK_TOP_MFGPLL_CK>;
+                       power-domains =
+                               <&scpsys MT8183_POWER_DOMAIN_MFG_CORE0>,
+                               <&scpsys MT8183_POWER_DOMAIN_MFG_CORE1>,
+                               <&scpsys MT8183_POWER_DOMAIN_MFG_2D>;
+
+                       operating-points-v2 = <&gpu_opp_table>;
+               };
+
+               gpu_opp_table: opp_table0 {
+                       compatible = "operating-points-v2";
+                       opp-shared;
+
+                       opp-300000000 {
+                               opp-hz = /bits/ 64 <300000000>;
+                               opp-microvolt = <625000>, <850000>;
+                       };
+
+                       opp-320000000 {
+                               opp-hz = /bits/ 64 <320000000>;
+                               opp-microvolt = <631250>, <850000>;
+                       };
+
+                       opp-340000000 {
+                               opp-hz = /bits/ 64 <340000000>;
+                               opp-microvolt = <637500>, <850000>;
+                       };
+
+                       opp-360000000 {
+                               opp-hz = /bits/ 64 <360000000>;
+                               opp-microvolt = <643750>, <850000>;
+                       };
+
+                       opp-380000000 {
+                               opp-hz = /bits/ 64 <380000000>;
+                               opp-microvolt = <650000>, <850000>;
+                       };
+
+                       opp-400000000 {
+                               opp-hz = /bits/ 64 <400000000>;
+                               opp-microvolt = <656250>, <850000>;
+                       };
+
+                       opp-420000000 {
+                               opp-hz = /bits/ 64 <420000000>;
+                               opp-microvolt = <662500>, <850000>;
+                       };
+
+                       opp-460000000 {
+                               opp-hz = /bits/ 64 <460000000>;
+                               opp-microvolt = <675000>, <850000>;
+                       };
+
+                       opp-500000000 {
+                               opp-hz = /bits/ 64 <500000000>;
+                               opp-microvolt = <687500>, <850000>;
+                       };
+
+                       opp-540000000 {
+                               opp-hz = /bits/ 64 <540000000>;
+                               opp-microvolt = <700000>, <850000>;
+                       };
+
+                       opp-580000000 {
+                               opp-hz = /bits/ 64 <580000000>;
+                               opp-microvolt = <712500>, <850000>;
+                       };
+
+                       opp-620000000 {
+                               opp-hz = /bits/ 64 <620000000>;
+                               opp-microvolt = <725000>, <850000>;
+                       };
+
+                       opp-653000000 {
+                               opp-hz = /bits/ 64 <653000000>;
+                               opp-microvolt = <743750>, <850000>;
+                       };
+
+                       opp-698000000 {
+                               opp-hz = /bits/ 64 <698000000>;
+                               opp-microvolt = <768750>, <868750>;
+                       };
+
+                       opp-743000000 {
+                               opp-hz = /bits/ 64 <743000000>;
+                               opp-microvolt = <793750>, <893750>;
+                       };
+
+                       opp-800000000 {
+                               opp-hz = /bits/ 64 <800000000>;
+                               opp-microvolt = <825000>, <925000>;
+                       };
+               };
+
                mmsys: syscon@14000000 {
                        compatible = "mediatek,mt8183-mmsys", "syscon";
                        reg = <0 0x14000000 0 0x1000>;
-- 
2.23.0.187.g17f5b7556c-goog

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