[PATCH V4 1/2] arm64: dts: qcom: Add SD Card support for Shikra SoC
Monish Chunara <[email protected]> Tue, 4 Aug 2026 17:50:53 +0530
| Newsgroups | org.kernel.vger.linux-mmc,org.infradead.lists.linux-phy,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
Add support for SD card on Shikra SoC and enable the required pinctrl configurations. Reviewed-by: Konrad Dybcio <[email protected]> Signed-off-by: Monish Chunara <[email protected]> --- arch/arm64/boot/dts/qcom/shikra.dtsi | 97 ++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/shikra.dtsi b/arch/arm64/boot/dts/qcom/shikra.dtsi index 80e8045282d8..1c56b43887e4 100644 --- a/arch/arm64/boot/dts/qcom/shikra.dtsi +++ b/arch/arm64/boot/dts/qcom/shikra.dtsi @@ -404,6 +404,53 @@ rclk-pins { bias-bus-hold; }; }; + + sdc2_default: sdc2-default-state { + clk-pins { + pins = "sdc2_clk"; + drive-strength = <14>; + bias-disable; + }; + + cmd-pins { + pins = "sdc2_cmd"; + drive-strength = <14>; + bias-pull-up; + }; + + data-pins { + pins = "sdc2_data"; + drive-strength = <14>; + bias-pull-up; + }; + }; + + sdc2_sleep: sdc2-sleep-state { + clk-pins { + pins = "sdc2_clk"; + drive-strength = <2>; + bias-disable; + }; + + cmd-pins { + pins = "sdc2_cmd"; + drive-strength = <2>; + bias-pull-up; + }; + + data-pins { + pins = "sdc2_data"; + drive-strength = <2>; + bias-pull-up; + }; + }; + + sdc2_card_det_n: sd-card-det-n-state { + pins = "gpio89"; + function = "gpio"; + drive-strength = <2>; + bias-pull-up; + }; }; mem_noc: interconnect@d00000 { @@ -604,6 +651,56 @@ opp-384000000 { }; }; + sdhc_2: mmc@4784000 { + compatible = "qcom,shikra-sdhci", "qcom,sdhci-msm-v5"; + reg = <0x0 0x04784000 0x0 0x1000>; + + interrupts = <GIC_SPI 350 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 353 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "hc_irq", + "pwr_irq"; + + bus-width = <4>; + + clocks = <&gcc GCC_SDCC2_AHB_CLK>, + <&gcc GCC_SDCC2_APPS_CLK>, + <&rpmcc RPM_SMD_XO_CLK_SRC>; + clock-names = "iface", + "core", + "xo"; + + qcom,dll-config = <0x0007442c>; + qcom,ddr-config = <0x80040868>; + + iommus = <&apps_smmu 0x0a0 0x0>; + + interconnects = <&system_noc MASTER_SDCC_2 RPM_ALWAYS_TAG + &mc_virt SLAVE_EBI_CH0 RPM_ALWAYS_TAG>, + <&mem_noc MASTER_AMPSS_M0 RPM_ACTIVE_TAG + &config_noc SLAVE_SDCC_2 RPM_ACTIVE_TAG>; + interconnect-names = "sdhc-ddr", + "cpu-sdhc"; + + power-domains = <&rpmpd RPMPD_VDDCX>; + operating-points-v2 = <&sdhc2_opp_table>; + + status = "disabled"; + + sdhc2_opp_table: opp-table-2 { + compatible = "operating-points-v2"; + + opp-100000000 { + opp-hz = /bits/ 64 <100000000>; + required-opps = <&rpmpd_opp_low_svs>; + }; + + opp-202000000 { + opp-hz = /bits/ 64 <202000000>; + required-opps = <&rpmpd_opp_svs_plus>; + }; + }; + }; + qupv3_0: geniqup@4ac0000 { compatible = "qcom,geni-se-qup"; reg = <0x0 0x04ac0000 0x0 0x2000>; -- 2.34.1