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Date: Tue, 22 Jun 2021 13:17:53 -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, okukatla@...eaurora.org, djakov@...nel.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
Subject: Re: [PATCH V4] arm64: dts: qcom: sc7280: Add nodes for eMMC and SD card
Quoting Shaik Sajida Bhanu (2021-06-16 02:23:01)
> diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dts b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> index 3900cfc..0f63cac 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> @@ -11,6 +11,7 @@
> #include <dt-bindings/iio/qcom,spmi-adc7-pmr735b.h>
> #include <dt-bindings/iio/qcom,spmi-adc7-pm8350.h>
> #include <dt-bindings/iio/qcom,spmi-adc7-pmk8350.h>
> +#include <dt-bindings/gpio/gpio.h>
The letter g comes before i, please move this higher in the list.
> #include "sc7280.dtsi"
> #include "pm7325.dtsi"
> #include "pmr735a.dtsi"
> @@ -272,6 +273,34 @@
> status = "okay";
> };
>
> +&sdhc_1 {
> + status = "okay";
> +
> + pinctrl-names = "default", "sleep";
> + pinctrl-0 = <&sdc1_on>;
> + pinctrl-1 = <&sdc1_off>;
> +
> + non-removable;
> + no-sd;
> + no-sdio;
> +
> + vmmc-supply = <&vreg_l7b_2p9>;
> + vqmmc-supply = <&vreg_l19b_1p8>;
> +};
> +
> +&sdhc_2 {
> + status = "okay";
> +
> + pinctrl-names = "default", "sleep";
> + 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>;
> +};
> +
> &uart5 {
> status = "okay";
> };
> @@ -291,3 +320,55 @@
> bias-pull-up;
> };
> };
> +
> +&tlmm {
> + sdc1_on: sdc1-on {
> + clk {
> + pins = "sdc1_clk";
Can the pins property at least be moved into sc7280.dtsi? Then this can
add bias and drive strength overrides in the board file?
> + bias-disable;
> + drive-strength = <16>;
> + };
> +
> + cmd {
> + pins = "sdc1_cmd";
> + bias-pull-up;
> + drive-strength = <10>;
> + };
> +
> + data {
> + pins = "sdc1_data";
> + bias-pull-up;
> + drive-strength = <10>;
> + };
> +
> + rclk {
> + pins = "sdc1_rclk";
> + bias-pull-down;
> + };
> + };
> +
> + sdc2_on: sdc2-on {
> + clk {
> + pins = "sdc2_clk";
> + bias-disable;
> + drive-strength = <16>;
> + };
> +
> + cmd {
> + pins = "sdc2_cmd";
> + bias-pull-up;
> + drive-strength = <10>;
> + };
> +
> + data {
> + pins = "sdc2_data";
> + bias-pull-up;
> + drive-strength = <10>;
> + };
> +
> + sd-cd {
> + pins = "gpio91";
> + bias-pull-up;
> + };
> + };
> +};
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index d600bca..16d8e17 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -974,6 +1033,51 @@
> };
> };
>
> + sdhc_2: sdhci@...4000 {
> + compatible = "qcom,sc7280-sdhci", "qcom,sdhci-msm-v5";
> + status = "disabled";
> +
> + reg = <0 0x08804000 0 0x1000>;
> +
> + 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>;
> + 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>;
> +
> + qcom,dll-config = <0x0007642c>;
> +
> + sdhc2_opp_table: sdhc2-opp-table {
Any reason the node shouldn't be called opp-table?
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