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Date: Tue, 23 Mar 2021 00:01:39 -0700
From: Stephen Boyd <swboyd@...omium.org>
To: Shaik Sajida Bhanu <sbhanu@...eaurora.org>,
adrian.hunter@...el.com, robh+dt@...nel.org, ulf.hansson@...aro.org
Cc: asutoshd@...eaurora.org, stummala@...eaurora.org,
vbadigan@...eaurora.org, rampraka@...eaurora.org,
sayalil@...eaurora.org, sartgarg@...eaurora.org,
rnayak@...eaurora.org, saiprakash.ranjan@...eaurora.org,
sibis@...eaurora.org, cang@...eaurora.org, pragalla@...eaurora.org,
nitirawa@...eaurora.org, 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,
Shaik Sajida Bhanu <sbhanu@...eaurora.org>
Subject: Re: [PATCH V2] arm64: dts: qcom: sc7280: Add nodes for eMMC and SD card
Quoting Shaik Sajida Bhanu (2021-03-20 11:17:00)
> diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dts b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> index 54d2cb3..4105263 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> @@ -8,6 +8,7 @@
> /dts-v1/;
>
> #include "sc7280.dtsi"
> +#include <dt-bindings/gpio/gpio.h>
Please include this before sc7280.dtsi
>
> / {
> model = "Qualcomm Technologies, Inc. sc7280 IDP platform";
> @@ -242,6 +243,30 @@
> status = "okay";
> };
>
> +&sdhc_1 {
> + status = "okay";
> +
> + pinctrl-names = "default", "sleep";
> + pinctrl-0 = <&sdc1_on>;
> + pinctrl-1 = <&sdc1_off>;
> +
> + vmmc-supply = <&vreg_l7b_2p9>;
> + vqmmc-supply = <&vreg_l19b_1p8>;
> +};
> +
> +&sdhc_2 {
> + status = "okay";
> +
> + pinctrl-names = "default","sleep";
Please add a space after the comma ^
> + pinctrl-0 = <&sdc2_on>;
> + pinctrl-1 = <&sdc2_off>;
> +
> + vmmc-supply = <&vreg_l9c_2p9>;
> + vqmmc-supply = <&vreg_l6c_2p9>;
> +
> + cd-gpios = <&tlmm 91 GPIO_ACTIVE_LOW>;
> +};
> +
> /* PINCTRL - additions to nodes defined in sc7280.dtsi */
>
> &qup_uart5_default {
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index 8f6b569..69eb064 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -20,6 +20,11 @@
>
> chosen { };
>
> + aliases {
> + mmc1 = &sdhc_1;
> + mmc2 = &sdhc_2;
> + };
> +
> clocks {
> xo_board: xo-board {
> compatible = "fixed-clock";
> @@ -305,6 +310,64 @@
> #power-domain-cells = <1>;
> };
>
> + sdhc_1: sdhci@...000 {
> + compatible = "qcom,sdhci-msm-v5";
> + reg = <0 0x7c4000 0 0x1000>,
Please add leading zeroes to the physical address, i.e. 0x007c4000
> + <0 0x7c5000 0 0x1000>;
> + reg-names = "hc", "cqhci";
> +
> + iommus = <&apps_smmu 0xC0 0x0>;
Lowercase hex please.
> + interrupts = <GIC_SPI 652 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 656 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "hc_irq", "pwr_irq";
> +
> + clocks = <&gcc GCC_SDCC1_APPS_CLK>,
> + <&gcc GCC_SDCC1_AHB_CLK>,
> + <&rpmhcc RPMH_CXO_CLK>;
> + clock-names = "core", "iface", "xo";
> + interconnects = <&aggre1_noc MASTER_SDCC_1 0 &mc_virt SLAVE_EBI1 0>,
> + <&gem_noc MASTER_APPSS_PROC 0 &cnoc2 SLAVE_SDCC_1 0>;
> + interconnect-names = "sdhc-ddr","cpu-sdhc";
> + power-domains = <&rpmhpd SC7280_CX>;
> + operating-points-v2 = <&sdhc1_opp_table>;
> +
> + bus-width = <8>;
> + non-removable;
> + supports-cqe;
> + no-sd;
> + no-sdio;
> +
> + max-frequency = <192000000>;
Is this necessary?
> +
> + qcom,dll-config = <0x0007642c>;
> + qcom,ddr-config = <0x80040868>;
> +
> + mmc-ddr-1_8v;
> + mmc-hs200-1_8v;
> + mmc-hs400-1_8v;
> + mmc-hs400-enhanced-strobe;
> +
> + status = "disabled";
Can this be near the compatible string?
> +
> + sdhc1_opp_table: sdhc1-opp-table {
> + compatible = "operating-points-v2";
> +
> + opp-100000000 {
> + opp-hz = /bits/ 64 <100000000>;
> + required-opps = <&rpmhpd_opp_low_svs>;
> + opp-peak-kBps = <1200000 76000>;
> + opp-avg-kBps = <1200000 50000>;
> + };
> +
> + opp-384000000 {
> + opp-hz = /bits/ 64 <384000000>;
> + required-opps = <&rpmhpd_opp_nom>;
> + opp-peak-kBps = <5400000 1600000>;
> + opp-avg-kBps = <6000000 300000>;
> + };
> + };
> + };
> +
> qupv3_id_0: geniqup@...000 {
> compatible = "qcom,geni-se-qup";
> reg = <0 0x009c0000 0 0x2000>;
> @@ -328,6 +391,54 @@
> };
> };
>
> + sdhc_2: sdhci@...4000 {
> + compatible = "qcom,sdhci-msm-v5";
> + reg = <0 0x08804000 0 0x1000>;
This has leading zeroes, great!
> +
> + iommus = <&apps_smmu 0x100 0x0>;
> + interrupts = <GIC_SPI 207 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 223 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "hc_irq", "pwr_irq";
> +
> + clocks = <&gcc GCC_SDCC2_APPS_CLK>,
> + <&gcc GCC_SDCC2_AHB_CLK>,
> + <&rpmhcc RPMH_CXO_CLK>;
Is this aligned properly?
> + clock-names = "core", "iface", "xo";
> + interconnects = <&aggre1_noc MASTER_SDCC_2 0 &mc_virt SLAVE_EBI1 0>,
> + <&gem_noc MASTER_APPSS_PROC 0 &cnoc2 SLAVE_SDCC_2 0>;
> + interconnect-names = "sdhc-ddr","cpu-sdhc";
> + power-domains = <&rpmhpd SC7280_CX>;
> + operating-points-v2 = <&sdhc2_opp_table>;
> +
> + bus-width = <4>;
> +
> + no-mmc;
> + no-sdio;
> +
> + max-frequency = <202000000>;
Is this necessary?
> +
> + qcom,dll-config = <0x0007642c>;
> +
> + status = "disabled";
Move up near compatible?
> +
> + sdhc2_opp_table: sdhc2-opp-table {
> + compatible = "operating-points-v2";
> +
> + opp-100000000 {
> + opp-hz =/bits/ 64 <100000000>;
> + required-opps = <&rpmhpd_opp_low_svs>;
> + opp-peak-kBps = <1200000 76000>;
> + opp-avg-kBps = <1200000 50000>;
> + };
> + opp-202000000 {
> + opp-hz = /bits/ 64 <202000000>;
> + required-opps = <&rpmhpd_opp_nom>;
> + opp-peak-kBps = <3500000 1200000>;
> + opp-avg-kBps = <5000000 100000>;
> + };
> + };
> + };
> +
> pdc: interrupt-controller@...0000 {
> compatible = "qcom,sc7280-pdc", "qcom,pdc";
> reg = <0 0x0b220000 0 0x30000>;
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