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| author | Gilad Broner <gbroner@codeaurora.org> | 2015-01-22 14:50:01 -0800 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-22 10:58:35 -0700 |
| commit | 4ad04d8bc587f53e654817caa206043f7eefb766 (patch) | |
| tree | 9411ee1162ea2a6b04173c043b622c5f8b05af85 /Documentation | |
| parent | 7ae3423485a7331debe766160c600d2ec58dffbc (diff) | |
scsi: ufs-qcom: change device reference clock control
As of HW major version 2, bit 'UFS_DEV_REF_CLK_EN' which is used to
gate/ungate the ref_clk to external UFS device, was moved into the
UFS register space to UFS_CFG1 register. This change adds support
to appropriately control the device reference clock and it also
adds the missing documentation for the device reference clock control
register address space.
Change-Id: I66a6a75dc5a1cf130b1cee90ae20f9f950edfb3a
Signed-off-by: Gilad Broner <gbroner@codeaurora.org>
[subhashj@codeaurora.org: resolved trivial merge conflicts]
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt b/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt index b43cb9883db6..93ba9b9c9f0c 100644 --- a/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt +++ b/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt @@ -11,6 +11,8 @@ Required properties: "qcom,ufshc" - interrupts : <interrupt mapping for UFS host controller IRQ> - reg : <registers mapping> + first entry should contain UFS host controller register address space (mandatory), + second entry is the device ref. clock control register map (optional). Optional properties: - phys : phandle to UFS PHY node @@ -57,7 +59,7 @@ regulators or clocks are always on. Example: ufshc@0xfc598000 { compatible = "jedec,ufs-1.1"; - reg = <0xfc598000 0x800>; + reg = <0xfc598000 0x800>, <0xfd512074 0x4>; interrupts = <0 28 0>; ufs-qcom-crypto = <&ufs_ice>; |