1 * Xtal Clock bindings for Marvell Armada 37xx SoCs
2
3 Marvell Armada 37xx SoCs allow to determine the xtal clock frequencies by
4 reading the gpio latch register.
5
6 This node must be a subnode of the node exposing the register address
7 of the GPIO block where the gpio latch is located.
8 See Documentation/devicetree/bindings/pinctrl/marvell,armada-37xx-pinctrl.txt
9
10 Required properties:
11 - compatible : shall be one of the following:
12 "marvell,armada-3700-xtal-clock"
13 - #clock-cells : from common clock binding; shall be set to 0
14
15 Optional properties:
16 - clock-output-names : from common clock binding; allows overwrite default clock
17 output names ("xtal")
18
19 Example:
20 pinctrl_nb: pinctrl-nb@13800 {
21 compatible = "armada3710-nb-pinctrl", "syscon", "simple-mfd";
22 reg = <0x13800 0x100>, <0x13C00 0x20>;
23
24 xtalclk: xtal-clk {
25 compatible = "marvell,armada-3700-xtal-clock";
26 clock-output-names = "xtal";
27 #clock-cells = <0>;
28 };
29 };
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