linux-kernel - [RFC v2 08/11] arm64: dts: sdm845: Add ufs opps and power-domains

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Message-Id: <20190320094918.20234-9-rnayak@codeaurora.org>
Date:   Wed, 20 Mar 2019 15:19:15 +0530
From:   Rajendra Nayak <rnayak@...eaurora.org>
To:     linux-kernel@...r.kernel.org
Cc:     linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-serial@...r.kernel.org, linux-spi@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linux-scsi@...r.kernel.org,
        swboyd@...omium.org, ulf.hansson@...aro.org,
        viresh.kumar@...aro.org, dianders@...omium.org, rafael@...nel.org,
        Rajendra Nayak <rnayak@...eaurora.org>
Subject: [RFC v2 08/11] arm64: dts: sdm845: Add ufs opps and power-domains

Add the additional power domain and the OPP table for ufs on sdm845
so the driver can set the appropriate performance state of the
power domain while setting the clock rate.

Signed-off-by: Rajendra Nayak <rnayak@...eaurora.org>
---
 arch/arm64/boot/dts/qcom/sdm845.dtsi | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 027ffe6e93e8..a3af4a1757b4 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -1140,6 +1140,21 @@
 			};
 		};
 
+		ufs_opp_table: ufs-opp-table {
+			compatible = "operating-points-v2";
+
+			opp-50000000 {
+				opp-hz = /bits/ 64 <50000000>;
+				required-opps = <&rpmhpd_opp_min_svs>;
+			};
+
+			opp-200000000 {
+				opp-hz = /bits/ 64 <200000000>;
+				required-opps = <&rpmhpd_opp_nom>;
+
+			};
+		};
+
 		ufs_mem_hc: ufshc@...4000 {
 			compatible = "qcom,sdm845-ufshc", "qcom,ufshc",
 				     "jedec,ufs-2.0";
@@ -1148,7 +1163,7 @@
 			phys = <&ufs_mem_phy_lanes>;
 			phy-names = "ufsphy";
 			lanes-per-direction = <2>;
-			power-domains = <&gcc UFS_PHY_GDSC>;
+			power-domains = <&gcc UFS_PHY_GDSC>, <&rpmhpd SDM845_CX>;
 
 			iommus = <&apps_smmu 0x100 0xf>;
 
@@ -1170,6 +1185,9 @@
 				<&gcc GCC_UFS_PHY_TX_SYMBOL_0_CLK>,
 				<&gcc GCC_UFS_PHY_RX_SYMBOL_0_CLK>,
 				<&gcc GCC_UFS_PHY_RX_SYMBOL_1_CLK>;
+
+			operating-points-v2 = <&ufs_opp_table>;
+
 			freq-table-hz =
 				<50000000 200000000>,
 				<0 0>,
-- 
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