[PATCH 1/2] dt-bindings: hwlock: Update OMAP HwSpinlock binding for AM64x SoCs
From: Suman Anna <hidden>
Date: 2021-01-25 23:58:52
Also in:
linux-arm-kernel, linux-omap, linux-remoteproc
Subsystem:
hardware spinlock core, open firmware and flattened device tree bindings, the rest · Maintainers:
Bjorn Andersson, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Update the existing OMAP HwSpinlock binding to include the info for AM64x SoCs. There are some minor IP integration differences between the AM64x SoCs and the previous AM65x and J721E SoC families. A new example is also added showcasing the difference in the IP's presence on the interconnect. Signed-off-by: Suman Anna <redacted> --- .../bindings/hwlock/ti,omap-hwspinlock.yaml | 26 +++++++++++++++++++ 1 file changed, 26 insertions(+)
diff --git a/Documentation/devicetree/bindings/hwlock/ti,omap-hwspinlock.yaml b/Documentation/devicetree/bindings/hwlock/ti,omap-hwspinlock.yaml
index ac35491a6f65..ac146c0d628f 100644
--- a/Documentation/devicetree/bindings/hwlock/ti,omap-hwspinlock.yaml
+++ b/Documentation/devicetree/bindings/hwlock/ti,omap-hwspinlock.yaml@@ -14,6 +14,7 @@ properties: enum: - ti,omap4-hwspinlock # for OMAP44xx, OMAP54xx, AM33xx, AM43xx, DRA7xx SoCs - ti,am654-hwspinlock # for K3 AM65x, J721E and J7200 SoCs + - ti,am64-hwspinlock # for K3 AM64x SoCs reg: maxItems: 1
@@ -74,3 +75,28 @@ examples: }; }; }; + + - | + / { + /* K3 AM64x SoCs */ + model = "Texas Instruments K3 AM642 SoC"; + compatible = "ti,am642-evm", "ti,am642"; + #address-cells = <2>; + #size-cells = <2>; + + bus@f4000 { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <2>; + ranges = <0x00 0x000f4000 0x00 0x000f4000 0x00 0x000002d0>, /* PINCTRL */ + <0x00 0x01000000 0x00 0x01000000 0x00 0x02330400>, /* First peripheral window */ + <0x00 0x0f000000 0x00 0x0f000000 0x00 0x00c44200>, /* Second peripheral window */ + <0x00 0x20000000 0x00 0x20000000 0x00 0x0a008000>; /* Third peripheral window */ + + spinlock@2a000000 { + compatible = "ti,am64-hwspinlock"; + reg = <0x00 0x2a000000 0x00 0x1000>; + #hwlock-cells = <1>; + }; + }; + };
--
2.29.2