| Message ID | 20200513005441.1102586-3-bjorn.andersson@linaro.org (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | hwspinlock: qcom: Allow dropping the intermediate TCSR mutex syscon | expand |
On 12-05-20, 17:54, Bjorn Andersson wrote: > In all modern Qualcomm platforms the mutex region of the TCSR is forked > off into its own block, all with a offset of 0 and stride of 4096. > Update the binding to allow the hardware block to be described directly > on the mmio bus, in addition to allowing the existing syscon based > definition. Reviewed-by: Vinod Koul <vkoul@kernel.org>
diff --git a/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml b/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml index 71e63b52edd5..88f975837588 100644 --- a/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml +++ b/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml @@ -19,6 +19,9 @@ properties: - qcom,sfpb-mutex - qcom,tcsr-mutex + reg: + maxItems: 1 + '#hwlock-cells': const: 1 @@ -31,7 +34,12 @@ properties: required: - compatible - '#hwlock-cells' - - syscon + +oneOf: + - required: + - reg + - required: + - syscon additionalProperties: false @@ -46,6 +54,12 @@ examples: compatible = "qcom,tcsr-mutex"; syscon = <&tcsr_mutex_block 0 0x80>; + #hwlock-cells = <1>; + }; + - | + tcsr_mutex: hwlock@1f40000 { + compatible = "qcom,tcsr-mutex"; + reg = <0x01f40000 0x40000>; #hwlock-cells = <1>; }; ...
In all modern Qualcomm platforms the mutex region of the TCSR is forked off into its own block, all with a offset of 0 and stride of 4096. Update the binding to allow the hardware block to be described directly on the mmio bus, in addition to allowing the existing syscon based definition. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> --- .../bindings/hwlock/qcom-hwspinlock.yaml | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-)