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From: Roja Rani Yarubandi <rojay@codeaurora.org>
To: ulf.hansson@linaro.org, robh+dt@kernel.org,
	bjorn.andersson@linaro.org, wsa@kernel.org
Cc: swboyd@chromium.org, dianders@chromium.org,
	saiprakash.ranjan@codeaurora.org, mka@chromium.org,
	akashast@codeaurora.org, msavaliy@qti.qualcomm.com,
	parashar@codeaurora.org, rnayak@codeaurora.org,
	linux-pm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	agross@kernel.org, linux-i2c@vger.kernel.org,
	Roja Rani Yarubandi <rojay@codeaurora.org>
Subject: [PATCH 2/3] arm64: dts: sc7180: Add assigned-performance-states for i2c
Date: Thu, 24 Dec 2020 16:42:09 +0530	[thread overview]
Message-ID: <20201224111210.1214-3-rojay@codeaurora.org> (raw)
In-Reply-To: <20201224111210.1214-1-rojay@codeaurora.org>

qup-i2c devices on sc7180 are clocked with a fixed clock (19.2 MHz).
Though qup-i2c does not support DVFS, it still needs to vote for a
performance state on 'CX' to satisfy the 19.2 MHz clock frequency
requirement.

Use 'assigned-performance-states' to pass this information from
device tree, and also add the power-domains property to specify
the CX power-domain.

Signed-off-by: Roja Rani Yarubandi <rojay@codeaurora.org>
---
 arch/arm64/boot/dts/qcom/sc7180.dtsi | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 22b832fc62e3..70d74215ba8b 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -782,6 +782,8 @@ i2c0: i2c@880000 {
 						<&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>;
 				interconnect-names = "qup-core", "qup-config",
 							"qup-memory";
+				power-domains = <&rpmhpd SC7180_CX>;
+				assigned-performance-states = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
 				status = "disabled";
 			};
 
@@ -834,6 +836,8 @@ i2c1: i2c@884000 {
 						<&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>;
 				interconnect-names = "qup-core", "qup-config",
 							"qup-memory";
+				power-domains = <&rpmhpd SC7180_CX>;
+				assigned-performance-states = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
 				status = "disabled";
 			};
 
@@ -886,6 +890,8 @@ i2c2: i2c@888000 {
 						<&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>;
 				interconnect-names = "qup-core", "qup-config",
 							"qup-memory";
+				power-domains = <&rpmhpd SC7180_CX>;
+				assigned-performance-states = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
 				status = "disabled";
 			};
 
@@ -920,6 +926,8 @@ i2c3: i2c@88c000 {
 						<&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>;
 				interconnect-names = "qup-core", "qup-config",
 							"qup-memory";
+				power-domains = <&rpmhpd SC7180_CX>;
+				assigned-performance-states = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
 				status = "disabled";
 			};
 
@@ -972,6 +980,8 @@ i2c4: i2c@890000 {
 						<&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>;
 				interconnect-names = "qup-core", "qup-config",
 							"qup-memory";
+				power-domains = <&rpmhpd SC7180_CX>;
+				assigned-performance-states = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
 				status = "disabled";
 			};
 
@@ -1006,6 +1016,8 @@ i2c5: i2c@894000 {
 						<&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>;
 				interconnect-names = "qup-core", "qup-config",
 							"qup-memory";
+				power-domains = <&rpmhpd SC7180_CX>;
+				assigned-performance-states = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
 				status = "disabled";
 			};
 
@@ -1073,6 +1085,8 @@ i2c6: i2c@a80000 {
 						<&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>;
 				interconnect-names = "qup-core", "qup-config",
 							"qup-memory";
+				power-domains = <&rpmhpd SC7180_CX>;
+				assigned-performance-states = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
 				status = "disabled";
 			};
 
@@ -1125,6 +1139,8 @@ i2c7: i2c@a84000 {
 						<&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>;
 				interconnect-names = "qup-core", "qup-config",
 							"qup-memory";
+				power-domains = <&rpmhpd SC7180_CX>;
+				assigned-performance-states = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
 				status = "disabled";
 			};
 
@@ -1159,6 +1175,8 @@ i2c8: i2c@a88000 {
 						<&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>;
 				interconnect-names = "qup-core", "qup-config",
 							"qup-memory";
+				power-domains = <&rpmhpd SC7180_CX>;
+				assigned-performance-states = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
 				status = "disabled";
 			};
 
@@ -1211,6 +1229,8 @@ i2c9: i2c@a8c000 {
 						<&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>;
 				interconnect-names = "qup-core", "qup-config",
 							"qup-memory";
+				power-domains = <&rpmhpd SC7180_CX>;
+				assigned-performance-states = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
 				status = "disabled";
 			};
 
@@ -1245,6 +1265,8 @@ i2c10: i2c@a90000 {
 						<&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>;
 				interconnect-names = "qup-core", "qup-config",
 							"qup-memory";
+				power-domains = <&rpmhpd SC7180_CX>;
+				assigned-performance-states = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
 				status = "disabled";
 			};
 
@@ -1297,6 +1319,8 @@ i2c11: i2c@a94000 {
 						<&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>;
 				interconnect-names = "qup-core", "qup-config",
 							"qup-memory";
+				power-domains = <&rpmhpd SC7180_CX>;
+				assigned-performance-states = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
 				status = "disabled";
 			};
 
-- 
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:[~2020-12-24 11:14 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-24 11:12 [PATCH 0/3] Add support for assigned-performance-states for geni i2c driver Roja Rani Yarubandi
2020-12-24 11:12 ` [PATCH 1/3] dt-bindings: power: Introduce 'assigned-performance-states' property Roja Rani Yarubandi
2020-12-26  0:16   ` Rob Herring
2020-12-27 16:56   ` Rob Herring
2020-12-31 15:49   ` Rob Herring
2021-01-08  9:39     ` Ulf Hansson
2021-01-15 16:15   ` Bjorn Andersson
2021-01-18  5:39     ` Rajendra Nayak
2020-12-24 11:12 ` Roja Rani Yarubandi [this message]
2020-12-24 11:12 ` [PATCH 3/3] i2c: i2c-qcom-geni: Add support for 'assigned-performance-states' Roja Rani Yarubandi
2021-01-15 14:43   ` Bjorn Andersson
2021-01-18  5:36     ` Rajendra Nayak
2021-01-19 11:02       ` Ulf Hansson
2021-01-19 11:05         ` Viresh Kumar
2021-01-20 13:31           ` Ulf Hansson
2021-02-12  9:21             ` rojay
2021-04-01  6:39               ` rojay
2021-04-29  7:02                 ` rojay
2021-04-29  7:50         ` Viresh Kumar
2021-05-04  7:17           ` Rajendra Nayak
2021-05-07  9:06             ` Ulf Hansson
2021-05-10  6:37               ` Rajendra Nayak
2021-05-12 13:50                 ` Ulf Hansson

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