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Diffstat (limited to 'doc/device-tree-bindings/mfd/canaan,k210-sysctl.txt')
-rw-r--r-- | doc/device-tree-bindings/mfd/canaan,k210-sysctl.txt | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/mfd/canaan,k210-sysctl.txt b/doc/device-tree-bindings/mfd/canaan,k210-sysctl.txt new file mode 100644 index 00000000000..e48b164fc09 --- /dev/null +++ b/doc/device-tree-bindings/mfd/canaan,k210-sysctl.txt @@ -0,0 +1,33 @@ +Kendryte K210 Sysctl + +This binding describes the K210 sysctl device, which contains many miscellaneous +registers controlling system functionality. This node is a register map and can +be reference by other bindings which need a phandle to the K210 sysctl regmap. + +Required properties: +- compatible: should be + "canaan,k210-sysctl", "syscon", "simple-mfd" +- reg: address and length of the sysctl registers +- reg-io-width: must be <4> + +Clock sub-node + +This node is a binding for the clock tree driver + +Required properties: +- compatible: should be "canaan,k210-clk" +- clocks: phandle to the "in0" external oscillator +- #clock-cells: must be <1> + +Example: +sysctl: syscon@50440000 { + compatible = "canaan,k210-sysctl", "syscon", "simple-mfd"; + reg = <0x50440000 0x100>; + reg-io-width = <4>; + + sysclk: clock-controller { + compatible = "canaan,k210-clk"; + clocks = <&in0>; + #clock-cells = <1>; + }; +}; |