Add a basic GPU node for mt8192.

Signed-off-by: Nick Fan <nick....@mediatek.com>
---
This patch depends on Mediatek power and regulator support.

Listed as following.

[1]https://lore.kernel.org/patchwork/patch/1336293/
[2]https://patchwork.kernel.org/project/linux-mediatek/list/?series=374013
[3]https://lore.kernel.org/patchwork/patch/1356037/
[4]https://patchwork.kernel.org/project/linux-mediatek/list/?series=405777
[5]https://lore.kernel.org/patchwork/patch/1356175/
[6]https://patchwork.kernel.org/project/linux-mediatek/patch/1605700894-32699-6-git-send-email-hsin-hsiung.w...@mediatek.com/
[7]https://patchwork.kernel.org/project/linux-mediatek/patch/1608104827-7937-10-git-send-email-hsin-hsiung.w...@mediatek.com/
---
---
 arch/arm64/boot/dts/mediatek/mt8192-evb.dts |   7 +
 arch/arm64/boot/dts/mediatek/mt8192.dtsi    | 172 ++++++++++++++++++++
 2 files changed, 179 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8192-evb.dts 
b/arch/arm64/boot/dts/mediatek/mt8192-evb.dts
index 6c1e2b3e8a60..48c0e240dd92 100644
--- a/arch/arm64/boot/dts/mediatek/mt8192-evb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8192-evb.dts
@@ -5,6 +5,7 @@
  */
 /dts-v1/;
 #include "mt8192.dtsi"
+#include "mt6359.dtsi"
 
 / {
        model = "MediaTek MT8192 evaluation board";
@@ -70,6 +71,12 @@
        };
 };
 
+&gpu {
+       supply-names = "mali","sram";
+       mali-supply = <&mt6315_7_vbuck1>;
+       sram-supply = <&mt6359_vsram_others_ldo_reg>;
+};
+
 &uart0 {
        status = "okay";
 };
diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi 
b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
index d6a4ad242a33..9abba13df68e 100644
--- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
@@ -822,6 +822,178 @@
                        #clock-cells = <1>;
                };
 
+               gpu: mali@13000000 {
+                       compatible = "mediatek,mt8192-mali", "arm,mali-valhall";
+                       reg = <0 0x13000000 0 0x4000>;
+                       interrupts =
+                               <GIC_SPI 363 IRQ_TYPE_LEVEL_HIGH 0>,
+                               <GIC_SPI 364 IRQ_TYPE_LEVEL_HIGH 0>,
+                               <GIC_SPI 365 IRQ_TYPE_LEVEL_HIGH 0>;
+                       interrupt-names =
+                               "gpu",
+                               "mmu",
+                               "job";
+
+                       clocks =
+                               <&apmixedsys CLK_APMIXED_MFGPLL>,
+                               <&topckgen CLK_TOP_MFG_PLL_SEL>,
+                               <&topckgen CLK_TOP_MFG_REF_SEL>,
+                               <&mfgcfg CLK_MFG_BG3D>;
+                       clock-names =
+                               "clk_main_parent",
+                               "clk_mux",
+                               "clk_sub_parent",
+                               "subsys_mfg_cg";
+
+                       power-domains =
+                               <&spm MT8192_POWER_DOMAIN_MFG2>,
+                               <&spm MT8192_POWER_DOMAIN_MFG3>,
+                               <&spm MT8192_POWER_DOMAIN_MFG4>,
+                               <&spm MT8192_POWER_DOMAIN_MFG5>,
+                               <&spm MT8192_POWER_DOMAIN_MFG6>;
+                       power-domain-names = "core0",
+                                            "core1",
+                                            "core2",
+                                            "core3",
+                                            "core4";
+
+                       operating-points-v2 = <&gpu_opp_table>;
+                       #cooling-cells = <2>;
+               };
+
+               gpu_opp_table: opp_table0 {
+                       compatible = "operating-points-v2";
+                       opp-shared;
+
+                       opp-358000000 {
+                               opp-hz = /bits/ 64 <358000000>;
+                               opp-hz-real = /bits/ 64 <358000000>,
+                                             /bits/ 64 <358000000>;
+                               opp-microvolt = <606250>,
+                                               <750000>;
+                       };
+
+                       opp-399000000 {
+                               opp-hz = /bits/ 64 <399000000>;
+                               opp-hz-real = /bits/ 64 <399000000>,
+                                             /bits/ 64 <399000000>;
+                               opp-microvolt = <618750>,
+                                               <750000>;
+                       };
+
+                       opp-440000000 {
+                               opp-hz = /bits/ 64 <440000000>;
+                               opp-hz-real = /bits/ 64 <440000000>,
+                                             /bits/ 64 <440000000>;
+                               opp-microvolt = <631250>,
+                                               <750000>;
+                       };
+
+                       opp-482000000 {
+                               opp-hz = /bits/ 64 <482000000>;
+                               opp-hz-real = /bits/ 64 <482000000>,
+                                             /bits/ 64 <482000000>;
+                               opp-microvolt = <643750>,
+                                               <750000>;
+                       };
+
+                       opp-523000000 {
+                               opp-hz = /bits/ 64 <523000000>;
+                               opp-hz-real = /bits/ 64 <523000000>,
+                                             /bits/ 64 <523000000>;
+                               opp-microvolt = <656250>,
+                                               <750000>;
+                       };
+
+                       opp-564000000 {
+                               opp-hz = /bits/ 64 <564000000>;
+                               opp-hz-real = /bits/ 64 <564000000>,
+                                             /bits/ 64 <564000000>;
+                               opp-microvolt = <668750>,
+                                               <750000>;
+                       };
+
+                       opp-605000000 {
+                               opp-hz = /bits/ 64 <605000000>;
+                               opp-hz-real = /bits/ 64 <605000000>,
+                                             /bits/ 64 <605000000>;
+                               opp-microvolt = <681250>,
+                                               <750000>;
+                       };
+
+                       opp-647000000 {
+                               opp-hz = /bits/ 64 <647000000>;
+                               opp-hz-real = /bits/ 64 <647000000>,
+                                             /bits/ 64 <647000000>;
+                               opp-microvolt = <693750>,
+                                               <750000>;
+                       };
+
+                       opp-688000000 {
+                               opp-hz = /bits/ 64 <688000000>;
+                               opp-hz-real = /bits/ 64 <688000000>,
+                                             /bits/ 64 <688000000>;
+                               opp-microvolt = <706250>,
+                                               <750000>;
+                       };
+
+                       opp-724000000 {
+                               opp-hz = /bits/ 64 <724000000>;
+                               opp-hz-real = /bits/ 64 <724000000>,
+                                             /bits/ 64 <724000000>;
+                               opp-microvolt = <725000>,
+                                               <750000>;
+                       };
+
+                       opp-760000000 {
+                               opp-hz = /bits/ 64 <760000000>;
+                               opp-hz-real = /bits/ 64 <760000000>,
+                                             /bits/ 64 <760000000>;
+                               opp-microvolt = <743750>,
+                                               <750000>;
+                       };
+
+                       opp-795000000 {
+                               opp-hz = /bits/ 64 <795000000>;
+                               opp-hz-real = /bits/ 64 <795000000>,
+                                             /bits/ 64 <795000000>;
+                               opp-microvolt = <762500>,
+                                               <762500>;
+                       };
+
+                       opp-831000000 {
+                               opp-hz = /bits/ 64 <831000000>;
+                               opp-hz-real = /bits/ 64 <831000000>,
+                                             /bits/ 64 <831000000>;
+                               opp-microvolt = <781250>,
+                                               <781250>;
+                       };
+
+                       opp-855000000 {
+                               opp-hz = /bits/ 64 <855000000>;
+                               opp-hz-real = /bits/ 64 <855000000>,
+                                             /bits/ 64 <855000000>;
+                               opp-microvolt = <793750>,
+                                               <793750>;
+                       };
+
+                       opp-902000000 {
+                               opp-hz = /bits/ 64 <902000000>;
+                               opp-hz-real = /bits/ 64 <902000000>,
+                                             /bits/ 64 <902000000>;
+                               opp-microvolt = <818750>,
+                                               <818750>;
+                       };
+
+                       opp-950000000 {
+                               opp-hz = /bits/ 64 <950000000>;
+                               opp-hz-real = /bits/ 64 <950000000>,
+                                             /bits/ 64 <950000000>;
+                               opp-microvolt = <843750>,
+                                               <843750>;
+                       };
+               };
+
                mfgcfg: syscon@13fbf000 {
                        compatible = "mediatek,mt8192-mfgcfg", "syscon";
                        reg = <0 0x13fbf000 0 0x1000>;
-- 
2.18.0

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