Hi David,
On 20/03/2026 17:29, David Heidelberg via B4 Relay wrote:
> From: Casey Connolly <[email protected]>
>
> The SHIFT6mq features an sdcard slot, add it.
>
> Signed-off-by: Casey Connolly <[email protected]>
> Signed-off-by: David Heidelberg <[email protected]>
> ---
> arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts | 43
> +++++++++++++++++++++++
> 1 file changed, 43 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts
> b/arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts
> index 51b041f91d3e2..1f21da310b762 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts
> @@ -600,6 +600,23 @@ &qupv3_id_1 {
> status = "okay";
> };
>
> +&sdhc_2 {
> + status = "okay";
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&sdc2_default_state &sdc2_card_det_n>;
> +
> + vmmc-supply = <&vreg_l21a_2p95>;
> + vqmmc-supply = <&vreg_l13a_2p95>;
> +
> + bus-width = <4>;
> + /* card detection is broken, but because the battery must be removed
> + * to insert the card, we use this rather than the broken-cd property
> + * which would just waste CPU cycles polling.
> + */
> + non-removable;
> +};
> +
> &slpi_pas {
> firmware-name = "qcom/sdm845/SHIFT/axolotl/slpi.mbn";
>
> @@ -609,6 +626,32 @@ &slpi_pas {
> &tlmm {
> gpio-reserved-ranges = <0 4>, <81 4>;
>
> + sdc2_default_state: sdc2-default-state {
> + clk-pins {
> + pins = "sdc2_clk";
> + bias-disable;
> + drive-strength = <16>;
> + };
> +
> + cmd-pins {
> + pins = "sdc2_cmd";
> + bias-pull-up;
> + drive-strength = <10>;
> + };
> +
> + data-pins {
> + pins = "sdc2_data";
> + bias-pull-up;
> + drive-strength = <10>;
> + };
> + };
> +
> + sdc2_card_det_n: sd-card-det-n-state {
> + pins = "gpio126";
> + function = "gpio";
> + bias-pull-up;
This can probably be bias-disable I guess, not that it likely matters in
practise.
> + };
> +
> sde_dsi_active: sde-dsi-active-state {
> pins = "gpio6", "gpio11";
> function = "gpio";
>
--
// Casey (she/her)
