linux-kernel - [PATCH V1] arm64: dts: qcom: Add bandwidth votes for eMMC and SDcard

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Date:   Sat, 18 Jul 2020 12:03:26 +0530
From:   Shaik Sajida Bhanu <sbhanu@...eaurora.org>
To:     adrian.hunter@...el.com, ulf.hansson@...aro.org,
        robh+dt@...nel.org, mka@...omium.org
Cc:     linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        agross@...nel.org, bjorn.andersson@...aro.org,
        Pradeep P V K <ppvk@...eaurora.org>,
        Shaik Sajida Bhanu <sbhanu@...eaurora.org>
Subject: [PATCH V1] arm64: dts: qcom: Add bandwidth votes for eMMC and SDcard

From: Pradeep P V K <ppvk@...eaurora.org>

Add the bandwidth domain supporting performance state and
the corresponding OPP tables for the sdhc device on sc7180.

Signed-off-by: Shaik Sajida Bhanu <sbhanu@...eaurora.org>
---
This change is depends on the patch series
https://lkml.org/lkml/2020/6/30/1280
Also depends on documentation commit 557ed5f (Present on linux-next)
---
 arch/arm64/boot/dts/qcom/sc7180.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 68f9894..d78a066 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -684,6 +684,9 @@
 			clocks = <&gcc GCC_SDCC1_APPS_CLK>,
 					<&gcc GCC_SDCC1_AHB_CLK>;
 			clock-names = "core", "iface";
+			interconnects = <&aggre1_noc MASTER_EMMC &mc_virt SLAVE_EBI1>,
+				<&gem_noc MASTER_APPSS_PROC &config_noc SLAVE_EMMC_CFG>;
+			interconnect-names = "sdhc-ddr","cpu-sdhc";
 			power-domains = <&rpmhpd SC7180_CX>;
 			operating-points-v2 = <&sdhc1_opp_table>;
 
@@ -704,11 +707,15 @@
 				opp-100000000 {
 					opp-hz = /bits/ 64 <100000000>;
 					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <100000 100000>;
+					opp-avg-kBps = <100000 50000>;
 				};
 
 				opp-384000000 {
 					opp-hz = /bits/ 64 <384000000>;
 					required-opps = <&rpmhpd_opp_svs_l1>;
+					opp-peak-kBps = <600000 900000>;
+					opp-avg-kBps = <261438 300000>;
 				};
 			};
 		};
@@ -2476,6 +2483,10 @@
 			clocks = <&gcc GCC_SDCC2_APPS_CLK>,
 					<&gcc GCC_SDCC2_AHB_CLK>;
 			clock-names = "core", "iface";
+
+			interconnects = <&aggre1_noc MASTER_SDCC_2 &mc_virt SLAVE_EBI1>,
+				<&gem_noc MASTER_APPSS_PROC &config_noc	SLAVE_SDCC_2>;
+			interconnect-names = "sdhc-ddr","cpu-sdhc";
 			power-domains = <&rpmhpd SC7180_CX>;
 			operating-points-v2 = <&sdhc2_opp_table>;
 
@@ -2489,11 +2500,15 @@
 				opp-100000000 {
 					opp-hz = /bits/ 64 <100000000>;
 					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <160000 100000>;
+					opp-avg-kBps = <80000 50000>;
 				};
 
 				opp-202000000 {
 					opp-hz = /bits/ 64 <202000000>;
 					required-opps = <&rpmhpd_opp_svs_l1>;
+					opp-peak-kBps = <200000	120000>;
+					opp-avg-kBps = <100000 60000>;
 				};
 			};
 		};
-- 
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