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Fri, 23 Oct 2026 00:29:30 -0700 (PDT) Received: from localhost.localdomain ([218.194.41.155]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ea7af6a466sm6858715ad.9.2026.10.23.00.29.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Oct 2026 00:29:29 -0700 (PDT) From: ShiTou Hong X-Google-Original-From: ShiTou Hong To: andersson@kernel.org, konradybcio@kernel.org, conor+dt@kernel.org Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, ShiTou Hong , KancyJoe Subject: [PATCH 1/6] arm64: dts: qcom: sm8250-hdk: Enable the sdhc_2 port Date: Fri, 23 Oct 2026 15:28:27 +0800 Message-ID: <20261023072832.2642647-1-dc_redstone@outlook.com> X-Mailer: git-send-email 2.47.3 X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The sm8250-hdk has an on-board SD/UFS card slot, but the SDHCI port hasn't been enabled in the dts, so we can't use it after booting. Enable the dts node of SDHCI for the on-board SD card slot. Add the pinctrl node of the SD card pins. Co-developed-by: KancyJoe Signed-off-by: ShiTou Hong --- arch/arm64/boot/dts/qcom/sm8250-hdk.dts | 39 +++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm8250-hdk.dts b/arch/arm64/boot/dts/qcom/sm8250-hdk.dts index c1c673086..a049d78f5 100644 --- a/arch/arm64/boot/dts/qcom/sm8250-hdk.dts +++ b/arch/arm64/boot/dts/qcom/sm8250-hdk.dts @@ -398,6 +398,32 @@ &qupv3_id_1 { &tlmm { gpio-reserved-ranges = <28 4>, <40 4>; + + sd_ufs_cd_pins: sd-ufs-cd-default-state { + pins = "gpio77"; + function = "gpio"; + bias-pull-up; + }; + + sdc2_default: sdc2-default-state { + cmd-pins { + pins = "sdc2_cmd"; + bias-pull-up; + drive-strength = <10>; + }; + + data-pins { + pins = "sdc2_data"; + bias-pull-up; + drive-strength = <10>; + }; + + clk-pins { + pins = "sdc2_clk"; + bias-disable; + drive-strength = <16>; + }; + }; }; &uart12 { @@ -467,3 +493,16 @@ &usb_2_dwc3 { &venus { status = "okay"; }; + +&sdhc_2 { + status = "okay"; + + cd-gpios = <&tlmm 77 GPIO_ACTIVE_LOW>; + + vmmc-supply = <&vreg_l9c_2p96>; + vqmmc-supply = <&vreg_l6c_2p96>; + + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&sdc2_default>, <&sd_ufs_cd_pins>; + pinctrl-1 = <&sdc2_sleep_state>, <&sd_ufs_cd_pins>; +}; -- 2.47.3