Re: [PATCH 3/4] arm64: dts: qcom: sm8450-hdk: add SDHCI for microSD

From: Konrad Dybcio
Date: Wed Oct 26 2022 - 16:12:51 EST



On 26/10/2022 22:03, Krzysztof Kozlowski wrote:
The HDK8450 has microSD card slot.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---

Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx>


Konrad

arch/arm64/boot/dts/qcom/sm8450-hdk.dts | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8450-hdk.dts b/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
index 3ccbdd2ed734..f4a5f1a8e573 100644
--- a/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
+++ b/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
@@ -426,6 +426,18 @@ &remoteproc_slpi {
firmware-name = "qcom/sm8450/slpi.mbn";
};
+&sdhc_2 {
+ cd-gpios = <&tlmm 92 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&sdc2_default_state &sdc2_card_det_n>;
+ pinctrl-1 = <&sdc2_sleep_state &sdc2_card_det_n>;
+ vmmc-supply = <&vreg_l9c_2p96>;
+ vqmmc-supply = <&vreg_l6c_1p8>;
+ no-sdio;
+ no-mmc;
+ status = "okay";
+};
+
&tlmm {
gpio-reserved-ranges = <28 4>, <36 4>;
@@ -461,6 +473,13 @@ pinconf {
bias-pull-down;
};
};
+
+ sdc2_card_det_n: sd-card-det-n-state {
+ pins = "gpio92";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
};
&uart7 {