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Subject[RFC v2 08/11] arm64: dts: sdm845: Add ufs opps and power-domains
Date
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@codeaurora.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@1d84000 {
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>,
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation
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