OMAP Control Module bindings
Control Module contains miscellaneous features under it based on SoC type.
Pincontrol is one common feature, and it has a specialized support
described in [1 ]. Typically some clock nodes are also under control module.
Syscon is used to share register level access to drivers external to
control module driver itself.
See [2 ] for documentation about clock/clockdomain nodes.
[1 ] Documentation/devicetree/bindings/pinctrl/pinctrl-single.yaml
[2 ] Documentation/devicetree/bindings/clock/ti/*
Required properties:
- compatible: Must be one of:
"ti,am3-scm"
"ti,am4-scm"
"ti,dm814-scrm"
"ti,dm816-scrm"
"ti,omap2-scm"
"ti,omap3-scm"
"ti,omap4-scm-core"
"ti,omap4-scm-padconf-core"
"ti,omap4-scm-wkup"
"ti,omap4-scm-padconf-wkup"
"ti,omap5-scm-core"
"ti,omap5-scm-padconf-core"
"ti,omap5-scm-wkup-pad-conf"
"ti,dra7-scm-core"
- reg: Contains Control Module register address range
(base address and length)
Optional properties:
- clocks: clocks for this module
- clockdomains: clockdomains for this module
Examples:
scm: scm@2000 {
compatible = "ti,omap3-scm", "simple-bus";
reg = <0 x2000 0 x2000>;
#address-cells = <1 >;
#size-cells = <1 >;
ranges = <0 0 x2000 0 x2000>;
omap3_pmx_core: pinmux@30 {
compatible = "ti,omap3-padconf",
"pinctrl-single";
reg = <0 x30 0 x230>;
#address-cells = <1 >;
#size-cells = <0 >;
#interrupt-cells = <1 >;
interrupt-controller;
pinctrl-single,register-width = <16 >;
pinctrl-single,function-mask = <0 xff1f>;
};
scm_conf: scm_conf@270 {
compatible = "syscon";
reg = <0 x270 0 x330>;
#address-cells = <1 >;
#size-cells = <1 >;
scm_clocks: clocks {
#address-cells = <1 >;
#size-cells = <0 >;
};
};
scm_clockdomains: clockdomains {
};
}
&scm_clocks {
mcbsp5_mux_fck: mcbsp5_mux_fck {
#clock-cells = <0 >;
compatible = "ti,composite-mux-clock";
clocks = <&core_96m_fck>, <&mcbsp_clks>;
ti,bit-shift = <4 >;
reg = <0 x02d8>;
};
};
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