add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/arch/arm/boot/dts/exynos5800-peach-pi.dts
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@@ -156,6 +156,15 @@
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 	assigned-clock-parents = <&clock CLK_MAU_EPLL>;
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 };
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+/*
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+ * Peach Pi board uses SoC revision with lower maximum frequency for A7 cores
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+ * (1.3 GHz instead of 1.4 GHz) than Odroid XU3/XU4 boards.  Thus we need to
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+ * update A7 OPPs table accordingly.
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+ */
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+&cluster_a7_opp_table {
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+	/delete-node/opp-1400000000;
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+};
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+
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 &cpu0 {
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 	cpu-supply = <&buck2_reg>;
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 };
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@@ -257,6 +266,8 @@
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 				regulator-always-on;
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 				regulator-boot-on;
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 				regulator-ramp-delay = <12500>;
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+				regulator-coupled-with = <&buck3_reg>;
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+				regulator-coupled-max-spread = <300000>;
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 				regulator-state-mem {
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 					regulator-off-in-suspend;
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 				};
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@@ -269,6 +280,8 @@
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 				regulator-always-on;
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 				regulator-boot-on;
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 				regulator-ramp-delay = <12500>;
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+				regulator-coupled-with = <&buck2_reg>;
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+				regulator-coupled-max-spread = <300000>;
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 				regulator-state-mem {
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 					regulator-off-in-suspend;
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 				};
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@@ -1034,6 +1047,10 @@
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 	status = "okay";
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 };
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+&timer {
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+	arm,cpu-registers-not-fw-configured;
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+};
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+
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 &tmu_cpu0 {
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 	vtmu-supply = <&ldo10_reg>;
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 };