FROMLIST: scsi: ufs: ufs-qcom: Add specified gear support for multi gear scaling - #1756
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…ear scaling The UFS clock frequency and gear speed do not necessarily have a strict one-to-one correspondence on all platforms. Introduce a device tree based configuration interface that allows specifying the HS gear speed for each supported operating frequency via the "opp-level" property in the OPP table. When this property is not configured, the driver falls back to the default frequency-to-gear mapping table. Signed-off-by: Ziqi Chen <ziqi.chen@oss.qualcomm.com> Signed-off-by: Nitin Rawat <nitin.rawat@oss.qualcomm.com> Signed-off-by: Giri Prasad Goriparthi <giri.goriparthi@oss.qualcomm.com>
Assign the appropriate UFS HS gear speed levels to each OPP frequency entry in the device tree, enabling proper per-frequency gear scaling (G1 at 75MHz, G3 at 150MHz, G5 at 300MHz). Signed-off-by: Nitin Rawat <nitin.rawat@oss.qualcomm.com> Signed-off-by: Giri Prasad Goriparthi <giri.goriparthi@oss.qualcomm.com>
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This patch series adds support for configuring UFS gear speeds on a per-OPP frequency basis for Qualcomm UFS host controllers, enabling more flexible
multi-gear scaling.
[PATCH v1 1/2] scsi: ufs: ufs-qcom: Add specified gear support for multi gear scaling
The UFS clock frequency and gear speed do not necessarily have a strict one-to-one correspondence on all platforms. Introduce a device tree based
configuration interface that allows specifying the HS gear speed for each supported operating frequency via the "opp-level" property in the OPP table. When
this property is not configured, the driver falls back to the default frequency-to-gear mapping table.
[PATCH v1 2/2] arm64: dts: qcom: Set specified gear configuration for Hamoa
Assign the appropriate UFS HS gear speed levels to each OPP frequency entry in the device tree, enabling proper per-frequency gear scaling (G1 at 75MHz, G3
at 150MHz, G5 at 300MHz).
Link: https://lore.kernel.org/linux-scsi/20260829074355.946543-1-nitin.rawat@oss.qualcomm.com/