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-rw-r--r--Documentation/devicetree/bindings/clock/renesas,r9a06g032-sysctrl.txt46
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diff --git a/Documentation/devicetree/bindings/clock/renesas,r9a06g032-sysctrl.txt b/Documentation/devicetree/bindings/clock/renesas,r9a06g032-sysctrl.txt
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-* Renesas R9A06G032 SYSCTRL
-
-Required Properties:
-
- - compatible: Must be:
- - "renesas,r9a06g032-sysctrl"
- - reg: Base address and length of the SYSCTRL IO block.
- - #clock-cells: Must be 1
- - clocks: References to the parent clocks:
- - external 40mhz crystal.
- - external (optional) 32.768khz
- - external (optional) jtag input
- - external (optional) RGMII_REFCLK
- - clock-names: Must be:
- clock-names = "mclk", "rtc", "jtag", "rgmii_ref_ext";
- - #power-domain-cells: Must be 0
-
-Examples
---------
-
- - SYSCTRL node:
-
- sysctrl: system-controller@4000c000 {
- compatible = "renesas,r9a06g032-sysctrl";
- reg = <0x4000c000 0x1000>;
- #clock-cells = <1>;
-
- clocks = <&ext_mclk>, <&ext_rtc_clk>,
- <&ext_jtag_clk>, <&ext_rgmii_ref>;
- clock-names = "mclk", "rtc", "jtag", "rgmii_ref_ext";
- #power-domain-cells = <0>;
- };
-
- - Other nodes can use the clocks provided by SYSCTRL as in:
-
- #include <dt-bindings/clock/r9a06g032-sysctrl.h>
- uart0: serial@40060000 {
- compatible = "snps,dw-apb-uart";
- reg = <0x40060000 0x400>;
- interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
- reg-shift = <2>;
- reg-io-width = <4>;
- clocks = <&sysctrl R9A06G032_CLK_UART0>, <&sysctrl R9A06G032_HCLK_UART0>;
- clock-names = "baudclk", "apb_pclk";
- power-domains = <&sysctrl>;
- };