From f9e784dcb63f56157f7d12abdab584cc393515b1 Mon Sep 17 00:00:00 2001 From: Wilken Gottwalt Date: Sun, 14 Mar 2021 10:30:49 +0100 Subject: dt-bindings: hwlock: add sun6i_hwspinlock Adds documentation on how to use the sun6i_hwspinlock driver for sun6i compatible series SoCs. Reviewed-by: Samuel Holland Acked-by: Maxime Ripard Signed-off-by: Wilken Gottwalt Link: https://lore.kernel.org/r/b7a1f5532e0ae474473858055fd9bbabff9e1449.1615713499.git.wilken.gottwalt@posteo.net Signed-off-by: Bjorn Andersson --- .../hwlock/allwinner,sun6i-a31-hwspinlock.yaml | 45 ++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwlock/allwinner,sun6i-a31-hwspinlock.yaml (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/hwlock/allwinner,sun6i-a31-hwspinlock.yaml b/Documentation/devicetree/bindings/hwlock/allwinner,sun6i-a31-hwspinlock.yaml new file mode 100644 index 000000000000..733c3d01e56c --- /dev/null +++ b/Documentation/devicetree/bindings/hwlock/allwinner,sun6i-a31-hwspinlock.yaml @@ -0,0 +1,45 @@ +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwlock/allwinner,sun6i-hwspinlock.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SUN6I hardware spinlock driver for Allwinner sun6i compatible SoCs + +maintainers: + - Wilken Gottwalt + +description: + The hardware unit provides semaphores between the ARM cores and the embedded + companion core on the SoC. + +properties: + compatible: + const: allwinner,sun6i-a31-hwspinlock + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - resets + +additionalProperties: false + +examples: + - | + hwlock@1c18000 { + compatible = "allwinner,sun6i-a31-hwspinlock"; + reg = <0x01c18000 0x1000>; + clocks = <&ccu CLK_BUS_SPINLOCK>; + resets = <&ccu RST_BUS_SPINLOCK>; + }; +... -- cgit v1.2.3 From 234462bc7f2303afce4b61125d2107ecd7611bff Mon Sep 17 00:00:00 2001 From: Suman Anna Date: Thu, 3 Jun 2021 09:42:16 -0500 Subject: dt-bindings: hwlock: sun6i: Fix various warnings in binding The allwinner,sun6i-a31-hwspinlock.yaml binding has a mismatched $id and fails to compile the example due to undefined args specifier values for clocks and resets. Fix both of these issues. Acked-by: Rob Herring Fixes: f9e784dcb63f ("dt-bindings: hwlock: add sun6i_hwspinlock") Signed-off-by: Suman Anna Link: https://lore.kernel.org/r/20210603144216.10327-1-s-anna@ti.com Signed-off-by: Bjorn Andersson --- .../devicetree/bindings/hwlock/allwinner,sun6i-a31-hwspinlock.yaml | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/hwlock/allwinner,sun6i-a31-hwspinlock.yaml b/Documentation/devicetree/bindings/hwlock/allwinner,sun6i-a31-hwspinlock.yaml index 733c3d01e56c..10e5a53e447b 100644 --- a/Documentation/devicetree/bindings/hwlock/allwinner,sun6i-a31-hwspinlock.yaml +++ b/Documentation/devicetree/bindings/hwlock/allwinner,sun6i-a31-hwspinlock.yaml @@ -1,7 +1,7 @@ # SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause) %YAML 1.2 --- -$id: http://devicetree.org/schemas/hwlock/allwinner,sun6i-hwspinlock.yaml# +$id: http://devicetree.org/schemas/hwlock/allwinner,sun6i-a31-hwspinlock.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: SUN6I hardware spinlock driver for Allwinner sun6i compatible SoCs @@ -36,6 +36,9 @@ additionalProperties: false examples: - | + #include + #include + hwlock@1c18000 { compatible = "allwinner,sun6i-a31-hwspinlock"; reg = <0x01c18000 0x1000>; -- cgit v1.2.3