[2/3] arm64: dts: sdm845: Add qspi opps and power-domains
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Message ID 1593769293-6354-3-git-send-email-rnayak@codeaurora.org
State New
Headers show
Series
  • QSPI: Add DVFS support
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Commit Message

Rajendra Nayak July 3, 2020, 9:41 a.m. UTC
Add the power domain supporting performance state and the corresponding
OPP tables for the qspi device on sdm845

Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
---
 arch/arm64/boot/dts/qcom/sdm845.dtsi | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

Comments

Matthias Kaehlcke July 6, 2020, 3:56 p.m. UTC | #1
On Fri, Jul 03, 2020 at 03:11:32PM +0530, Rajendra Nayak wrote:
> Add the power domain supporting performance state and the corresponding
> OPP tables for the qspi device on sdm845
> 
> Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>

Reviewed-by: Matthias Kaehlcke <mka@chromium.org>

Patch
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diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 8eb5a31..5163090 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -2915,6 +2915,30 @@ 
 			status = "disabled";
 		};
 
+		qspi_opp_table: qspi-opp-table {
+			compatible = "operating-points-v2";
+
+			opp-19200000 {
+				opp-hz = /bits/ 64 <19200000>;
+				required-opps = <&rpmhpd_opp_min_svs>;
+			};
+
+			opp-100000000 {
+				opp-hz = /bits/ 64 <100000000>;
+				required-opps = <&rpmhpd_opp_low_svs>;
+			};
+
+			opp-150000000 {
+				opp-hz = /bits/ 64 <150000000>;
+				required-opps = <&rpmhpd_opp_svs>;
+			};
+
+			opp-300000000 {
+				opp-hz = /bits/ 64 <300000000>;
+				required-opps = <&rpmhpd_opp_nom>;
+			};
+		};
+
 		qspi: spi@88df000 {
 			compatible = "qcom,sdm845-qspi", "qcom,qspi-v1";
 			reg = <0 0x088df000 0 0x600>;
@@ -2924,6 +2948,8 @@ 
 			clocks = <&gcc GCC_QSPI_CNOC_PERIPH_AHB_CLK>,
 				 <&gcc GCC_QSPI_CORE_CLK>;
 			clock-names = "iface", "core";
+			power-domains = <&rpmhpd SDM845_CX>;
+			operating-points-v2 = <&qspi_opp_table>;
 			status = "disabled";
 		};