Re: [PATCH V4 0/4] arm64: dts: qcom: Add SD card support for Glymur

[Pankaj Patil <pankaj.patil@oss.qualcomm.com>]

On 7/22/2026 7:53 PM, Monish Chunara wrote:
> From: Monish Chunara <monish.chunara@oss.qualcomm.com>
> 
> Respected Maintainers,
> 
> This is v4 of the series to add SD card support for Glymur.
> 
> This series adds SD card support for the Qualcomm Glymur SoC and the
> Glymur CRD (Customer Reference Design) platform. The changes include
> updating voltage regulators to meet SD card requirements, documenting
> the new compatible string in device tree bindings, and enabling the SDHC
> controller at both the SoC and board levels.
> 

Tested-by: Pankaj Patil <pankaj.patil@oss.qualcomm.com>

> Changes in v4:
> - Propagate Reviewed-by tags (Konrad, Dmitry)
> - Update the commit message for dt-bindings change (Krzysztof)
> - Move the common nodes for SD card enablement to glymur-crd.dtsi to be 
>   leveraged by Mahua CRD platform. No functional changes made.
> - Link to v3: https://lore.kernel.org/all/20260706141346.4180348-1-mchunara@oss.qualcomm.com
> 
> Changes in v3:
> - Collect Reviewed-by tags (Konrad, Dmitry)
> - Update the commit message for dt-bindings change to reflect the
>   purpose for the update (Krzysztof)
> - Link to v2: https://lore.kernel.org/all/20260702094056.3755467-1-mchunara@oss.qualcomm.com
> 
> Changes in v2:
> - Rectified the iommu sid mask notation to hexadecimal format
> - Updated the power-domain corner for 202 MHz frequency as per the clocks plan
> - Added the BCR reset capability for hardware reset as required during the init
>   sequence
> - Reorganized the DT nodes as per the DT coding standards
> - Link to v1: https://lore.kernel.org/all/20260610111508.3941207-1-mchunara@oss.qualcomm.com
> 
> Summary of changes:
> 
> Patch 1: Updates the voltage ranges for vreg_l2b_e0 and vreg_l9b_e0 on
> the Glymur CRD. Specifically, it reduces the minimum voltage for the
> VDDIO supply (l2b) to 1.8V to support high-speed SD card modes and
> increases the VDD supply (l9b) for stability.
> 
> Patch 2: Documents the Glymur-specific SDHCI compatible string
> (qcom,glymur-sdhci) in the sdhci-msm bindings, using qcom,sdhci-msm-v5
> as the fallback.
> 
> Patch 3: Adds the SDHCI (sdhc_2) node and required pinctrl
> configurations to the base Glymur SoC device tree.
> 
> Patch 4: Enables the SD card slot on the Glymur CRD by configuring the
> regulators and GPIO-based card detection.
> 
> Testing: Verified on Glymur CRD hardware.
> 
> Signed-off-by: Monish Chunara <monish.chunara@oss.qualcomm.com>
> 
> Kamal Wadhwa (1):
>   arm64: dts: qcom: glymur-crd: Update VREG l2b_e0 and l9b_e0 voltage
>     for SD-card
> 
> Monish Chunara (3):
>   dt-bindings: mmc: sdhci-msm: Document the Glymur compatible
>   arm64: dts: qcom: Add SD Card support for Glymur SoC
>   arm64: dts: qcom: Enable SD card for Glymur CRD
> 
>  .../bindings/mmc/qcom,sdhci-msm.yaml          |  1 +
>  arch/arm64/boot/dts/qcom/glymur-crd.dtsi      | 33 ++++++-
>  arch/arm64/boot/dts/qcom/glymur.dtsi          | 91 +++++++++++++++++++
>  3 files changed, 120 insertions(+), 5 deletions(-)
>