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From: Kathiravan T <kathirav@codeaurora.org>
To: agross@kernel.org, bjorn.andersson@linaro.org,
	robh+dt@kernel.org, lgirdwood@gmail.com, broonie@kernel.org,
	sivaprak@codeaurora.org, kathirav@codeaurora.org,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH 3/3] arm64: dts: ipq6018: enable DVFS support
Date: Thu, 30 Jul 2020 14:19:24 +0530	[thread overview]
Message-ID: <1596098964-19878-4-git-send-email-kathirav@codeaurora.org> (raw)
In-Reply-To: <1596098964-19878-1-git-send-email-kathirav@codeaurora.org>

Add A53 PLL, APCS clock, RPM Glink, RPM message RAM, cpu-opp-table,
SMPA2 regulator to enable the cpu frequency on IPQ6018.

Co-developed-by: Sivaprakash Murugesan <sivaprak@codeaurora.org>
Signed-off-by: Sivaprakash Murugesan <sivaprak@codeaurora.org>
Signed-off-by: Kathiravan T <kathirav@codeaurora.org>
---
 arch/arm64/boot/dts/qcom/ipq6018.dtsi | 96 +++++++++++++++++++++++++++++++++--
 1 file changed, 93 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
index 1aa8d8579463..a94dac76bf3f 100644
--- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
@@ -8,6 +8,7 @@
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/clock/qcom,gcc-ipq6018.h>
 #include <dt-bindings/reset/qcom,gcc-ipq6018.h>
+#include <dt-bindings/clock/qcom,apss-ipq.h>
 
 / {
 	#address-cells = <2>;
@@ -38,6 +39,10 @@
 			reg = <0x0>;
 			enable-method = "psci";
 			next-level-cache = <&L2_0>;
+			clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
+			clock-names = "cpu";
+			operating-points-v2 = <&cpu_opp_table>;
+			cpu-supply = <&ipq6018_s2>;
 		};
 
 		CPU1: cpu@1 {
@@ -46,6 +51,10 @@
 			enable-method = "psci";
 			reg = <0x1>;
 			next-level-cache = <&L2_0>;
+			clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
+			clock-names = "cpu";
+			operating-points-v2 = <&cpu_opp_table>;
+			cpu-supply = <&ipq6018_s2>;
 		};
 
 		CPU2: cpu@2 {
@@ -54,6 +63,10 @@
 			enable-method = "psci";
 			reg = <0x2>;
 			next-level-cache = <&L2_0>;
+			clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
+			clock-names = "cpu";
+			operating-points-v2 = <&cpu_opp_table>;
+			cpu-supply = <&ipq6018_s2>;
 		};
 
 		CPU3: cpu@3 {
@@ -62,6 +75,10 @@
 			enable-method = "psci";
 			reg = <0x3>;
 			next-level-cache = <&L2_0>;
+			clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
+			clock-names = "cpu";
+			operating-points-v2 = <&cpu_opp_table>;
+			cpu-supply = <&ipq6018_s2>;
 		};
 
 		L2_0: l2-cache {
@@ -70,6 +87,42 @@
 		};
 	};
 
+	cpu_opp_table: cpu_opp_table {
+		compatible = "operating-points-v2";
+		opp-shared;
+
+		opp-864000000 {
+			opp-hz = /bits/ 64 <864000000>;
+			opp-microvolt = <725000>;
+			clock-latency-ns = <200000>;
+		};
+		opp-1056000000 {
+			opp-hz = /bits/ 64 <1056000000>;
+			opp-microvolt = <787500>;
+			clock-latency-ns = <200000>;
+		};
+		opp-1320000000 {
+			opp-hz = /bits/ 64 <1320000000>;
+			opp-microvolt = <862500>;
+			clock-latency-ns = <200000>;
+		};
+		opp-1440000000 {
+			opp-hz = /bits/ 64 <1440000000>;
+			opp-microvolt = <925000>;
+			clock-latency-ns = <200000>;
+		};
+		opp-1608000000 {
+			opp-hz = /bits/ 64 <1608000000>;
+			opp-microvolt = <987500>;
+			clock-latency-ns = <200000>;
+		};
+		opp-1800000000 {
+			opp-hz = /bits/ 64 <1800000000>;
+			opp-microvolt = <1062500>;
+			clock-latency-ns = <200000>;
+		};
+	};
+
 	firmware {
 		scm {
 			compatible = "qcom,scm";
@@ -98,6 +151,11 @@
 		#size-cells = <2>;
 		ranges;
 
+		rpm_msg_ram: memory@0x60000 {
+			reg = <0x0 0x60000 0x0 0x6000>;
+			no-map;
+		};
+
 		tz: tz@48500000 {
 			reg = <0x0 0x48500000 0x0 0x00200000>;
 			no-map;
@@ -294,12 +352,22 @@
 		};
 
 		apcs_glb: mailbox@b111000 {
-			compatible = "qcom,ipq8074-apcs-apps-global";
-			reg = <0x0b111000 0xc>;
-
+			compatible = "qcom,ipq6018-apcs-apps-global";
+			reg = <0x0b111000 0x1000>;
+			#clock-cells = <1>;
+			clocks = <&a53pll>, <&xo>;
+			clock-names = "pll", "xo";
 			#mbox-cells = <1>;
 		};
 
+		a53pll: clock@b116000 {
+			compatible = "qcom,ipq6018-a53pll";
+			reg = <0x0b116000 0x40>;
+			#clock-cells = <0>;
+			clocks = <&xo>;
+			clock-names = "xo";
+		};
+
 		timer {
 			compatible = "arm,armv8-timer";
 			interrupts = <GIC_PPI 2 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
@@ -440,4 +508,26 @@
 			#interrupt-cells = <2>;
 		};
 	};
+
+	rpm-glink {
+		compatible = "qcom,glink-rpm";
+		interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>;
+		qcom,rpm-msg-ram = <&rpm_msg_ram>;
+		mboxes = <&apcs_glb 0>;
+
+		rpm_requests: glink-channel {
+			compatible = "qcom,rpm-ipq6018";
+			qcom,glink-channels = "rpm_requests";
+
+			regulators {
+				compatible = "qcom,rpm-mp5496-regulators";
+
+				ipq6018_s2: s2 {
+					regulator-min-microvolt = <725000>;
+					regulator-max-microvolt = <1062500>;
+					regulator-always-on;
+				};
+			};
+		};
+	};
 };
-- 
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation


  parent reply	other threads:[~2020-07-30  8:49 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-30  8:49 [PATCH 0/3] Enable DVFS support for IPQ6018 Kathiravan T
2020-07-30  8:49 ` [PATCH 1/3] dt-bindings: mailbox: add compatible for the IPQ6018 SoC Kathiravan T
2020-07-31 22:28   ` Rob Herring
2020-07-30  8:49 ` [PATCH 2/3] dt-bindings: regulator: add the sub node names for the MP5496 PMIC Kathiravan T
2020-07-30  8:49 ` Kathiravan T [this message]
2020-07-30 21:47   ` [PATCH 3/3] arm64: dts: ipq6018: enable DVFS support kernel test robot
2020-07-30 21:47     ` kernel test robot
2020-07-30 22:28 ` [PATCH 0/3] Enable DVFS support for IPQ6018 Mark Brown

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