Re: [PATCH 2/4] arm: dts: qcom: qdu1000: Add SDHCI node

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On 5/20/2023 4:53 PM, Konrad Dybcio wrote:

On 19.05.2023 10:51, Komal Bajaj wrote:
Add sdhc node for eMMC on QDU1000 and QRU1000 SoCs.

Signed-off-by: Komal Bajaj <quic_kbajaj@xxxxxxxxxxx>
---
  arch/arm64/boot/dts/qcom/qdu1000.dtsi | 60 +++++++++++++++++++++++++++
  1 file changed, 60 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qdu1000.dtsi b/arch/arm64/boot/dts/qcom/qdu1000.dtsi
index 734438113bba..6113def66a08 100644
--- a/arch/arm64/boot/dts/qcom/qdu1000.dtsi
+++ b/arch/arm64/boot/dts/qcom/qdu1000.dtsi
@@ -19,6 +19,10 @@

  	chosen: chosen { };

+	aliases {
+		mmc0 = &sdhc_1; /*SDC1 eMMC slot*/
+	};
+
  	cpus {
  		#address-cells = <2>;
  		#size-cells = <0>;
@@ -842,6 +846,62 @@
  			#hwlock-cells = <1>;
  		};

+		sdhc_1: mmc@8804000 {
+			compatible = "qcom,qdu1000-sdhci", "qcom,sdhci-msm-v5";
+			reg = <0x0 0x08804000 0x0 0x1000>,
+			      <0x0 0x08805000 0x0 0x1000>;
+
confusing newline
Will remove it in the next patch set.
+			reg-names = "hc", "cqhci";
+
+			interrupts = <GIC_SPI 207 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 223 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "hc_irq", "pwr_irq";
+
+			clocks = <&gcc GCC_SDCC5_AHB_CLK>,
+				 <&gcc GCC_SDCC5_APPS_CLK>,
SDCC>5<?
These names are used in accordance with the clock hardware.

+				 <&rpmhcc RPMH_CXO_CLK>;
+			clock-names = "iface", "core", "xo";
Please keep one per line
Noted.

+
+			/* Add dt entry for gcc hw reset */
+			resets = <&gcc GCC_SDCC5_BCR>;
5?
Reason same as above.

+
+			interconnects = <&system_noc MASTER_SDCC_1 0 &mc_virt SLAVE_EBI1 0>,
+					<&gem_noc MASTER_APPSS_PROC 0 &system_noc SLAVE_SDCC_2 0>;
+			interconnect-names = "sdhc-ddr", "cpu-sdhc";
+			power-domains = <&rpmhpd QDU1000_CX>;
+			operating-points-v2 = <&sdhc1_opp_table>;
+
+			iommus = <&apps_smmu 0x0080 0x0>;
Please remove the leading zeroes from the stream id
Sure, will do so.


+			dma-coherent;
+
+			bus-width = <8>;

----
+			non-removable;
+			supports-cqe;
+
+			no-sd;
+			no-sdio;
+
+			mmc-ddr-1_8v;
+			mmc-hs200-1_8v;
+			mmc-hs400-1_8v;
+			mmc-hs400-enhanced-strobe;
+			cap-mmc-hw-reset;
----
This bit is board-specific
Okay, will move these bits to board specific file.

+
+			qcom,dll-config = <0x0007642c>;
+			qcom,ddr-config = <0x80040868>;
+
+			status = "disabled";
+
+			sdhc1_opp_table: opp-table {
+				compatible = "operating-points-v2";
+
+				opp-384000000 {
+					opp-hz = /bits/ 64 <384000000>;
+					required-opps = <&rpmhpd_opp_min_svs>;
You added interconnects, but not any opp-peak-kBps / opp-avg-kBps,
presumably mistakengly?

Also, 384Mhz + min_svs sounds a bit weird? Is that the correct
level for this SoC?
Yes, you are right, this is wrong configuration, will correct it in the next patch set.

Thanks
Komal

Konrad
+				};
+			};
+		};
+
  		pdc: interrupt-controller@b220000 {
  			compatible = "qcom,qdu1000-pdc", "qcom,pdc";
  			reg = <0x0 0xb220000 0x0 0x30000>, <0x0 0x174000f0 0x0 0x64>;
--
2.17.1





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