linux-kernel - [PATCH 8/8] arm64: dts: mt8192: Add APU power domain node

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Date:   Wed, 7 Apr 2021 11:28:06 +0800
From:   Flora Fu <flora.fu@...iatek.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>
CC:     Flora Fu <flora.fu@...iatek.com>,
        Pi-Cheng Chen <pi-cheng.chen@...iatek.com>,
        Chiawen Lee <chiawen.lee@...iatek.com>,
        Chun-Jie Chen <chun-jie.chen@...iatek.com>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>, <linux-clk@...r.kernel.org>
Subject: [PATCH 8/8] arm64: dts: mt8192: Add APU power domain node

Add APU power domain node to MT8192.

Signed-off-by: Flora Fu <flora.fu@...iatek.com>
---
 arch/arm64/boot/dts/mediatek/mt8192-evb.dts |  7 +++++
 arch/arm64/boot/dts/mediatek/mt8192.dtsi    | 29 +++++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8192-evb.dts b/arch/arm64/boot/dts/mediatek/mt8192-evb.dts
index 1769f3a9b510..9e89efb3dc8a 100644
--- a/arch/arm64/boot/dts/mediatek/mt8192-evb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8192-evb.dts
@@ -65,3 +65,10 @@
 &mt6359_vrf12_ldo_reg {
 	regulator-always-on;
 };
+
+&apuspm {
+	vsram-supply = <&mt6359_vsram_md_ldo_reg>;
+	power-domain@...192_POWER_DOMAIN_APUSYS_TOP {
+		domain-supply = <&mt6359_vproc1_buck_reg>;
+	};
+};
diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
index b1467ccbe5aa..546c058ef560 100644
--- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
@@ -11,6 +11,7 @@
 #include <dt-bindings/memory/mt8192-larb-port.h>
 #include <dt-bindings/pinctrl/mt8192-pinfunc.h>
 #include <dt-bindings/power/mt8192-power.h>
+#include <dt-bindings/power/mt8192-apu-power.h>
 
 / {
 	compatible = "mediatek,mt8192";
@@ -1033,6 +1034,34 @@
 			#clock-cells = <1>;
 		};
 
+		apuspm: power-domain@...f0000 {
+			compatible = "mediatek,mt8192-apu-pm", "syscon";
+			reg = <0 0x190f0000 0 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			#power-domain-cells = <1>;
+			mediatek,scpsys = <&scpsys>;
+			mediatek,apu_conn = <&apu_conn>;
+			mediatek,apu_vcore = <&apu_vcore>;
+
+			power-domain@...192_POWER_DOMAIN_APUSYS_TOP {
+				reg = <MT8192_POWER_DOMAIN_APUSYS_TOP>;
+				#power-domain-cells = <0>;
+				clocks = <&topckgen CLK_TOP_DSP_SEL>,
+					 <&topckgen CLK_TOP_IPU_IF_SEL>,
+					 <&clk26m>,
+					 <&topckgen CLK_TOP_UNIVPLL_D6_D2>;
+				clock-names = "clk_top_conn",
+					      "clk_top_ipu_if",
+					      "clk_off",
+					      "clk_on_default";
+				assigned-clocks = <&topckgen CLK_TOP_DSP_SEL>,
+						  <&topckgen CLK_TOP_IPU_IF_SEL>;
+				assigned-clock-parents = <&topckgen CLK_TOP_UNIVPLL_D6_D2>,
+							 <&topckgen CLK_TOP_UNIVPLL_D6_D2>;
+			};
+		};
+
 		larb13: larb@...01000 {
 			compatible = "mediatek,mt8192-smi-larb";
 			reg = <0 0x1a001000 0 0x1000>;
-- 
2.18.0