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authorKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>2022-09-20 17:04:12 +0200
committerBjorn Andersson <andersson@kernel.org>2022-10-17 17:11:17 -0500
commitc29f446108e10bb791220ffbba54d82722d60d45 (patch)
tree9182c3a1cd157679dac6b41630ce72ab9e03784c /Documentation/devicetree
parenthwspinlock: qcom: add support for MMIO on older SoCs (diff)
downloadlinux-dev-c29f446108e10bb791220ffbba54d82722d60d45.tar.xz
linux-dev-c29f446108e10bb791220ffbba54d82722d60d45.zip
dt-bindings: hwlock: qcom-hwspinlock: add syscon to MSM8974
The TCSR_MUTEX region contains two set of registers: mutex and halt. Add syscon, so the TCSR mutex device (hwspinlock) can use MMIO based method and in the same time share regmap with other devices for the halt regs. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-by: Rob Herring <robh@kernel.org> Tested-by: Luca Weiss <luca@z3ntu.xyz> # fairphone-fp2 Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20220920150414.637634-2-krzysztof.kozlowski@linaro.org
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r--Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml6
1 files changed, 5 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml b/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml
index 1a3adf75934b..ee2726149cf3 100644
--- a/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml
+++ b/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml
@@ -24,9 +24,13 @@ properties:
- qcom,apq8084-tcsr-mutex
- qcom,ipq6018-tcsr-mutex
- qcom,msm8226-tcsr-mutex
- - qcom,msm8974-tcsr-mutex
- qcom,msm8994-tcsr-mutex
- const: qcom,tcsr-mutex
+ - items:
+ - enum:
+ - qcom,msm8974-tcsr-mutex
+ - const: qcom,tcsr-mutex
+ - const: syscon
reg:
maxItems: 1