[PATCH v3 4/5] DONOTMERGE: arm64: dts: ti: k3-am62p: add in opp tables

[Bryan Brattlof]

To help reduce power consumption, reduce the frequency of the CPU cores
when they sit idle by specifying their supported OPP entries.

Signed-off-by: Bryan Brattlof <bb at ti.com>
---
 arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi |  6 ++++
 arch/arm64/boot/dts/ti/k3-am62p5-sk.dts     |  9 ++++++
 arch/arm64/boot/dts/ti/k3-am62p5.dtsi       | 47 +++++++++++++++++++++++++++++
 3 files changed, 62 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi
index c71d9624ea277..8392c8cde2cd4 100644
--- a/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi
@@ -19,6 +19,11 @@ chipid: chipid at 14 {
 			bootph-all;
 		};
 
+		opp_efuse_table: syscon at 18 {
+			compatible = "ti,am62-opp-efuse-table", "syscon";
+			reg = <0x18 0x4>;
+		};
+
 		usb0_phy_ctrl: syscon at 4008 {
 			compatible = "ti,am62-usb-phy-ctrl", "syscon";
 			reg = <0x4008 0x4>;
@@ -28,6 +33,7 @@ usb1_phy_ctrl: syscon at 4018 {
 			compatible = "ti,am62-usb-phy-ctrl", "syscon";
 			reg = <0x4018 0x4>;
 		};
+
 	};
 
 	wkup_uart0: serial at 2b300000 {
diff --git a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
index 6983ec1b57cbd..08956ac1eaead 100644
--- a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
@@ -128,6 +128,15 @@ led-0 {
 		};
 	};
 
+	opp-table {
+		/* Add 1.4GHz OPP for am62p5-sk board. Requires VDD_CORE at 0v85 */
+		opp-1400000000 {
+			opp-hz = /bits/ 64 <1400000000>;
+			opp-supported-hw = <0x01 0x0004>;
+			clock-latency-ns = <6000000>;
+		};
+	};
+
 	tlv320_mclk: clk-0 {
 		#clock-cells = <0>;
 		compatible = "fixed-clock";
diff --git a/arch/arm64/boot/dts/ti/k3-am62p5.dtsi b/arch/arm64/boot/dts/ti/k3-am62p5.dtsi
index 41f479dca4555..140587d02e88e 100644
--- a/arch/arm64/boot/dts/ti/k3-am62p5.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62p5.dtsi
@@ -47,6 +47,7 @@ cpu0: cpu at 0 {
 			d-cache-line-size = <64>;
 			d-cache-sets = <128>;
 			next-level-cache = <&l2_0>;
+			operating-points-v2 = <&a53_opp_table>;
 			clocks = <&k3_clks 135 0>;
 		};
 
@@ -62,6 +63,7 @@ cpu1: cpu at 1 {
 			d-cache-line-size = <64>;
 			d-cache-sets = <128>;
 			next-level-cache = <&l2_0>;
+			operating-points-v2 = <&a53_opp_table>;
 			clocks = <&k3_clks 136 0>;
 		};
 
@@ -77,6 +79,7 @@ cpu2: cpu at 2 {
 			d-cache-line-size = <64>;
 			d-cache-sets = <128>;
 			next-level-cache = <&l2_0>;
+			operating-points-v2 = <&a53_opp_table>;
 			clocks = <&k3_clks 137 0>;
 		};
 
@@ -92,10 +95,54 @@ cpu3: cpu at 3 {
 			d-cache-line-size = <64>;
 			d-cache-sets = <128>;
 			next-level-cache = <&l2_0>;
+			operating-points-v2 = <&a53_opp_table>;
 			clocks = <&k3_clks 138 0>;
 		};
 	};
 
+	a53_opp_table: opp-table {
+		compatible = "operating-points-v2-ti-cpu";
+		opp-shared;
+		syscon = <&opp_efuse_table>;
+
+		opp-200000000 {
+			opp-hz = /bits/ 64 <200000000>;
+			opp-supported-hw = <0x01 0x0007>;
+			clock-latency-ns = <6000000>;
+		};
+
+		opp-400000000 {
+			opp-hz = /bits/ 64 <400000000>;
+			opp-supported-hw = <0x01 0x0007>;
+			clock-latency-ns = <6000000>;
+		};
+
+		opp-600000000 {
+			opp-hz = /bits/ 64 <600000000>;
+			opp-supported-hw = <0x01 0x0007>;
+			clock-latency-ns = <6000000>;
+		};
+
+		opp-800000000 {
+			opp-hz = /bits/ 64 <800000000>;
+			opp-supported-hw = <0x01 0x0007>;
+			clock-latency-ns = <6000000>;
+		};
+
+		opp-1000000000 {
+			opp-hz = /bits/ 64 <1000000000>;
+			opp-supported-hw = <0x01 0x0006>;
+			clock-latency-ns = <6000000>;
+		};
+
+		opp-1250000000 {
+			opp-hz = /bits/ 64 <1250000000>;
+			opp-supported-hw = <0x01 0x0004>;
+			clock-latency-ns = <6000000>;
+			opp-suspend;
+		};
+	};
+
 	l2_0: l2-cache0 {
 		compatible = "cache";
 		cache-unified;

-- 
2.45.2