From 93f66edd440fb5c5c97cb211d8560479520f01af Mon Sep 17 00:00:00 2001 From: Baolin Wang Date: Thu, 18 May 2017 10:49:19 +0800 Subject: [PATCH] DT: hwspinlock: Add binding documentation for Spreadtrum hwspinlock This patch adds the binding documentation for Spreadtrum hardware spinlock device. Acked-by: Rob Herring Signed-off-by: Baolin Wang Signed-off-by: Bjorn Andersson --- .../bindings/hwlock/sprd-hwspinlock.txt | 23 +++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwlock/sprd-hwspinlock.txt diff --git a/Documentation/devicetree/bindings/hwlock/sprd-hwspinlock.txt b/Documentation/devicetree/bindings/hwlock/sprd-hwspinlock.txt new file mode 100644 index 000000000000..581db9d941ba --- /dev/null +++ b/Documentation/devicetree/bindings/hwlock/sprd-hwspinlock.txt @@ -0,0 +1,23 @@ +SPRD Hardware Spinlock Device Binding +------------------------------------- + +Required properties : +- compatible : should be "sprd,hwspinlock-r3p0". +- reg : the register address of hwspinlock. +- #hwlock-cells : hwlock users only use the hwlock id to represent a specific + hwlock, so the number of cells should be <1> here. +- clock-names : Must contain "enable". +- clocks : Must contain a phandle entry for the clock in clock-names, see the + common clock bindings. + +Please look at the generic hwlock binding for usage information for consumers, +"Documentation/devicetree/bindings/hwlock/hwlock.txt" + +Example of hwlock provider: + hwspinlock@40500000 { + compatible = "sprd,hwspinlock-r3p0"; + reg = <0 0x40500000 0 0x1000>; + #hwlock-cells = <1>; + clock-names = "enable"; + clocks = <&clk_aon_apb_gates0 22>; + }; -- 2.20.1