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Message-ID: <CAPDyKFqxDWhPAxo56D1LCCCxNTgwfCmjLd=6_5jNiDGJx==EYg@mail.gmail.com>
Date: Tue, 11 Feb 2020 16:13:05 +0100
From: Ulf Hansson <ulf.hansson@...aro.org>
To: Veerabhadrarao Badiganti <vbadigan@...eaurora.org>
Cc: Shaik Sajida Bhanu <sbhanu@...eaurora.org>,
Adrian Hunter <adrian.hunter@...el.com>,
Rob Herring <robh+dt@...nel.org>,
Matthias Kaehlcke <mka@...omium.org>,
"linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
linux-arm-msm <linux-arm-msm@...r.kernel.org>,
DTML <devicetree@...r.kernel.org>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH V3] arm64: dts: qcom: sc7180: Add nodes for eMMC and SD card
On Tue, 11 Feb 2020 at 15:30, Veerabhadrarao Badiganti
<vbadigan@...eaurora.org> wrote:
>
> ping!
>
I think you need to ping the SoC maintainers, this isn't something
that I normally pick up via the mmc subsystem.
Kind regards
Uffe
> On 1/8/2020 8:24 PM, Shaik Sajida Bhanu wrote:
> > From: Veerabhadrarao Badiganti <vbadigan@...eaurora.org>
> >
> > Add sdhc instances for supporting eMMC and SD-card on sc7180.
> > The regulators should be in HPM state for proper functionality of
> > eMMC and SD-card. Updating corresponding regulators accordingly.
> >
> > Signed-off-by: Veerabhadrarao Badiganti <vbadigan@...eaurora.org>
> > Signed-off-by: Shaik Sajida Bhanu <sbhanu@...eaurora.org>
> > ---
> > Changes since V2:
> > - Added cmdq register space and support-cqe flag.
> > - Incorporated review comments by Matthias Kaehlcke.
> >
> > Changes since V1:
> > - Updated the regulator min, max voltages as per
> > eMMC/SD-card voltage requirements
> > - Enabled IOMMU for eMMC and SD-card.
> > - Added pull and drive strength to SD-card cd-gpio.
> > - Incorporated review comments by Matthias Kaehlcke.
> > ---
> > arch/arm64/boot/dts/qcom/sc7180-idp.dts | 47 +++++++---
> > arch/arm64/boot/dts/qcom/sc7180.dtsi | 148 ++++++++++++++++++++++++++++++++
> > 2 files changed, 183 insertions(+), 12 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/sc7180-idp.dts b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> > index 388f50a..a790d82 100644
> > --- a/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> > +++ b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> > @@ -7,6 +7,7 @@
> >
> > /dts-v1/;
> >
> > +#include <dt-bindings/gpio/gpio.h>
> > #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
> > #include "sc7180.dtsi"
> > #include "pm6150.dtsi"
> > @@ -101,9 +102,9 @@
> > };
> >
> > vreg_l12a_1p8: ldo12 {
> > - regulator-min-microvolt = <1696000>;
> > - regulator-max-microvolt = <1952000>;
> > - regulator-initial-mode = <RPMH_REGULATOR_MODE_LPM>;
> > + regulator-min-microvolt = <1800000>;
> > + regulator-max-microvolt = <1800000>;
> > + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> > };
> >
> > vreg_l13a_1p8: ldo13 {
> > @@ -143,9 +144,9 @@
> > };
> >
> > vreg_l19a_2p9: ldo19 {
> > - regulator-min-microvolt = <2696000>;
> > - regulator-max-microvolt = <3304000>;
> > - regulator-initial-mode = <RPMH_REGULATOR_MODE_LPM>;
> > + regulator-min-microvolt = <2960000>;
> > + regulator-max-microvolt = <2960000>;
> > + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> > };
> > };
> >
> > @@ -189,9 +190,9 @@
> > };
> >
> > vreg_l6c_2p9: ldo6 {
> > - regulator-min-microvolt = <2696000>;
> > - regulator-max-microvolt = <3304000>;
> > - regulator-initial-mode = <RPMH_REGULATOR_MODE_LPM>;
> > + regulator-min-microvolt = <1800000>;
> > + regulator-max-microvolt = <2950000>;
> > + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> > };
> >
> > vreg_l7c_3p0: ldo7 {
> > @@ -207,9 +208,9 @@
> > };
> >
> > vreg_l9c_2p9: ldo9 {
> > - regulator-min-microvolt = <2952000>;
> > - regulator-max-microvolt = <3304000>;
> > - regulator-initial-mode = <RPMH_REGULATOR_MODE_LPM>;
> > + regulator-min-microvolt = <2960000>;
> > + regulator-max-microvolt = <2960000>;
> > + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> > };
> >
> > vreg_l10c_3p3: ldo10 {
> > @@ -254,6 +255,28 @@
> > status = "okay";
> > };
> >
> > +&sdhc_1 {
> > + status = "okay";
> > +
> > + pinctrl-names = "default", "sleep";
> > + pinctrl-0 = <&sdc1_on>;
> > + pinctrl-1 = <&sdc1_off>;
> > + vmmc-supply = <&vreg_l19a_2p9>;
> > + vqmmc-supply = <&vreg_l12a_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 69 GPIO_ACTIVE_LOW>;
> > +};
> > +
> > &uart3 {
> > status = "okay";
> > };
> > diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> > index 3676bfd..525bc02 100644
> > --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> > @@ -226,6 +226,33 @@
> > };
> > };
> >
> > + sdhc_1: sdhci@...000 {
> > + compatible = "qcom,sc7180-sdhci", "qcom,sdhci-msm-v5";
> > + reg = <0 0x7c4000 0 0x1000>,
> > + <0 0x07c5000 0 0x1000>;
> > + reg-names = "hc_mem", "cqhci_mem";
> > +
> > + iommus = <&apps_smmu 0x60 0x0>;
> > + interrupts = <GIC_SPI 641 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 644 IRQ_TYPE_LEVEL_HIGH>;
> > + interrupt-names = "hc_irq", "pwr_irq";
> > +
> > + clocks = <&gcc GCC_SDCC1_APPS_CLK>,
> > + <&gcc GCC_SDCC1_AHB_CLK>;
> > + clock-names = "core", "iface";
> > +
> > + bus-width = <8>;
> > + non-removable;
> > + supports-cqe;
> > +
> > + mmc-ddr-1_8v;
> > + mmc-hs200-1_8v;
> > + mmc-hs400-1_8v;
> > + mmc-hs400-enhanced-strobe;
> > +
> > + status = "disabled";
> > + };
> > +
> > qupv3_id_0: geniqup@...000 {
> > compatible = "qcom,geni-se-qup";
> > reg = <0 0x008c0000 0 0x6000>;
> > @@ -929,6 +956,127 @@
> > function = "qup15";
> > };
> > };
> > +
> > + sdc1_on: sdc1-on {
> > + pinconf-clk {
> > + pins = "sdc1_clk";
> > + bias-disable;
> > + drive-strength = <16>;
> > + };
> > +
> > + pinconf-cmd {
> > + pins = "sdc1_cmd";
> > + bias-pull-up;
> > + drive-strength = <10>;
> > + };
> > +
> > + pinconf-data {
> > + pins = "sdc1_data";
> > + bias-pull-up;
> > + drive-strength = <10>;
> > + };
> > +
> > + pinconf-rclk {
> > + pins = "sdc1_rclk";
> > + bias-pull-down;
> > + };
> > + };
> > +
> > + sdc1_off: sdc1-off {
> > + pinconf-clk {
> > + pins = "sdc1_clk";
> > + bias-disable;
> > + drive-strength = <2>;
> > + };
> > +
> > + pinconf-cmd {
> > + pins = "sdc1_cmd";
> > + bias-pull-up;
> > + drive-strength = <2>;
> > + };
> > +
> > + pinconf-data {
> > + pins = "sdc1_data";
> > + bias-pull-up;
> > + drive-strength = <2>;
> > + };
> > +
> > + pinconf-rclk {
> > + pins = "sdc1_rclk";
> > + bias-pull-down;
> > + };
> > + };
> > +
> > + sdc2_on: sdc2-on {
> > + pinconf-clk {
> > + pins = "sdc2_clk";
> > + bias-disable;
> > + drive-strength = <16>;
> > + };
> > +
> > + pinconf-cmd {
> > + pins = "sdc2_cmd";
> > + bias-pull-up;
> > + drive-strength = <10>;
> > + };
> > +
> > + pinconf-data {
> > + pins = "sdc2_data";
> > + bias-pull-up;
> > + drive-strength = <10>;
> > + };
> > +
> > + pinconf-sd-cd {
> > + pins = "gpio69";
> > + bias-pull-up;
> > + drive-strength = <2>;
> > + };
> > + };
> > +
> > + sdc2_off: sdc2-off {
> > + pinconf-clk {
> > + pins = "sdc2_clk";
> > + bias-disable;
> > + drive-strength = <2>;
> > + };
> > +
> > + pinconf-cmd {
> > + pins = "sdc2_cmd";
> > + bias-pull-up;
> > + drive-strength = <2>;
> > + };
> > +
> > + pinconf-data {
> > + pins = "sdc2_data";
> > + bias-pull-up;
> > + drive-strength = <2>;
> > + };
> > +
> > + pinconf-sd-cd {
> > + pins = "gpio69";
> > + bias-disable;
> > + drive-strength = <2>;
> > + };
> > + };
> > + };
> > +
> > + sdhc_2: sdhci@...4000 {
> > + compatible = "qcom,sc7180-sdhci", "qcom,sdhci-msm-v5";
> > + reg = <0 0x08804000 0 0x1000>;
> > + reg-names = "hc_mem";
> > +
> > + iommus = <&apps_smmu 0x80 0>;
> > + interrupts = <GIC_SPI 204 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 222 IRQ_TYPE_LEVEL_HIGH>;
> > + interrupt-names = "hc_irq", "pwr_irq";
> > +
> > + clocks = <&gcc GCC_SDCC2_APPS_CLK>,
> > + <&gcc GCC_SDCC2_AHB_CLK>;
> > + clock-names = "core", "iface";
> > +
> > + bus-width = <4>;
> > +
> > + status = "disabled";
> > };
> >
> > qspi: spi@...c000 {
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