xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/soc/amlogic/clk-measure.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunAmlogic Internal Clock Measurer
2*4882a593Smuzhiyun===============================
3*4882a593Smuzhiyun
4*4882a593SmuzhiyunThe Amlogic SoCs contains an IP to measure the internal clocks.
5*4882a593SmuzhiyunThe precision is multiple of MHz, useful to debug the clock states.
6*4882a593Smuzhiyun
7*4882a593SmuzhiyunRequired properties:
8*4882a593Smuzhiyun- compatible: Shall contain one of the following :
9*4882a593Smuzhiyun			"amlogic,meson-gx-clk-measure" for GX SoCs
10*4882a593Smuzhiyun			"amlogic,meson8-clk-measure" for Meson8 SoCs
11*4882a593Smuzhiyun			"amlogic,meson8b-clk-measure" for Meson8b SoCs
12*4882a593Smuzhiyun			"amlogic,meson-axg-clk-measure" for AXG SoCs
13*4882a593Smuzhiyun			"amlogic,meson-g12a-clk-measure" for G12a SoCs
14*4882a593Smuzhiyun			"amlogic,meson-sm1-clk-measure" for SM1 SoCs
15*4882a593Smuzhiyun- reg: base address and size of the Clock Measurer register space.
16*4882a593Smuzhiyun
17*4882a593SmuzhiyunExample:
18*4882a593Smuzhiyun	clock-measure@8758 {
19*4882a593Smuzhiyun		compatible = "amlogic,meson-gx-clk-measure";
20*4882a593Smuzhiyun		reg = <0x0 0x8758 0x0 0x10>;
21*4882a593Smuzhiyun	};
22