Kernel-4.18.0-80.el8_sp810

SP810 System Controller

Required properties:

• compatible: standard compatible string for a Primecell peripheral,

    see Documentation/devicetree/bindings/arm/primecell.txt
    for more details
    should be: "arm,sp810", "arm,primecell"
  

• reg: standard registers property, physical address and size

    of the control registers
  

• clock-names: from the common clock bindings, for more details see

    Documentation/devicetree/bindings/clock/clock-bindings.txt;
    should be: "refclk", "timclk", "apb_pclk"
  

• clocks: from the common clock bindings, phandle and clock

    specifier pairs for the entries of clock-names property
  

• #clock-cells: from the common clock bindings;

    should be: <1>
  

• clock-output-names: from the common clock bindings;

    should be: "timerclken0", "timerclken1", "timerclken2", "timerclken3"
  

• assigned-clocks: from the common clock binding;

    should be: clock specifier for each output clock of this
    provider node
  

• assigned-clock-parents: from the common clock binding;

    should be: phandle of input clock listed in clocks
    property with the highest frequency
  

Example:
v2m_sysctl: sysctl@20000 {
compatible = “arm,sp810”, “arm,primecell”;
reg = <0x020000 0x1000>;
clocks = <&v2m_refclk32khz>, <&v2m_refclk1mhz>, <&smbclk>;
clock-names = “refclk”, “timclk”, “apb_pclk”;
#clock-cells = <1>;
clock-output-names = “timerclken0”, “timerclken1”, “timerclken2”, “timerclken3”;
assigned-clocks = <&v2m_sysctl 0>, <&v2m_sysctl 1>, <&v2m_sysctl 3>, <&v2m_sysctl 3>;
assigned-clock-parents = <&v2m_refclk1mhz>, <&v2m_refclk1mhz>, <&v2m_refclk1mhz>, <&v2m_refclk1mhz>;

};