tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1UniPhier clock controller
2
3
4System clock
5------------
6
7Required properties:
8- compatible: should be one of the following:
9 "socionext,uniphier-ld4-clock" - for LD4 SoC.
10 "socionext,uniphier-pro4-clock" - for Pro4 SoC.
11 "socionext,uniphier-sld8-clock" - for sLD8 SoC.
12 "socionext,uniphier-pro5-clock" - for Pro5 SoC.
13 "socionext,uniphier-pxs2-clock" - for PXs2/LD6b SoC.
14 "socionext,uniphier-ld11-clock" - for LD11 SoC.
15 "socionext,uniphier-ld20-clock" - for LD20 SoC.
16 "socionext,uniphier-pxs3-clock" - for PXs3 SoC
17- #clock-cells: should be 1.
18
19Example:
20
21 sysctrl@61840000 {
22 compatible = "socionext,uniphier-sysctrl",
23 "simple-mfd", "syscon";
24 reg = <0x61840000 0x4000>;
25
26 clock {
27 compatible = "socionext,uniphier-ld11-clock";
28 #clock-cells = <1>;
29 };
30
31 other nodes ...
32 };
33
34Provided clocks:
35
36 8: ST DMAC
3712: GIO (Giga bit stream I/O)
3814: USB3 ch0 host
3915: USB3 ch1 host
4016: USB3 ch0 PHY0
4117: USB3 ch0 PHY1
4220: USB3 ch1 PHY0
4321: USB3 ch1 PHY1
44
45
46Media I/O (MIO) clock, SD clock
47-------------------------------
48
49Required properties:
50- compatible: should be one of the following:
51 "socionext,uniphier-ld4-mio-clock" - for LD4 SoC.
52 "socionext,uniphier-pro4-mio-clock" - for Pro4 SoC.
53 "socionext,uniphier-sld8-mio-clock" - for sLD8 SoC.
54 "socionext,uniphier-pro5-sd-clock" - for Pro5 SoC.
55 "socionext,uniphier-pxs2-sd-clock" - for PXs2/LD6b SoC.
56 "socionext,uniphier-ld11-mio-clock" - for LD11 SoC.
57 "socionext,uniphier-ld20-sd-clock" - for LD20 SoC.
58 "socionext,uniphier-pxs3-sd-clock" - for PXs3 SoC
59- #clock-cells: should be 1.
60
61Example:
62
63 mioctrl@59810000 {
64 compatible = "socionext,uniphier-mioctrl",
65 "simple-mfd", "syscon";
66 reg = <0x59810000 0x800>;
67
68 clock {
69 compatible = "socionext,uniphier-ld11-mio-clock";
70 #clock-cells = <1>;
71 };
72
73 other nodes ...
74 };
75
76Provided clocks:
77
78 0: SD ch0 host
79 1: eMMC host
80 2: SD ch1 host
81 7: MIO DMAC
82 8: USB2 ch0 host
83 9: USB2 ch1 host
8410: USB2 ch2 host
8512: USB2 ch0 PHY
8613: USB2 ch1 PHY
8714: USB2 ch2 PHY
88
89
90Peripheral clock
91----------------
92
93Required properties:
94- compatible: should be one of the following:
95 "socionext,uniphier-ld4-peri-clock" - for LD4 SoC.
96 "socionext,uniphier-pro4-peri-clock" - for Pro4 SoC.
97 "socionext,uniphier-sld8-peri-clock" - for sLD8 SoC.
98 "socionext,uniphier-pro5-peri-clock" - for Pro5 SoC.
99 "socionext,uniphier-pxs2-peri-clock" - for PXs2/LD6b SoC.
100 "socionext,uniphier-ld11-peri-clock" - for LD11 SoC.
101 "socionext,uniphier-ld20-peri-clock" - for LD20 SoC.
102 "socionext,uniphier-pxs3-peri-clock" - for PXs3 SoC
103- #clock-cells: should be 1.
104
105Example:
106
107 perictrl@59820000 {
108 compatible = "socionext,uniphier-perictrl",
109 "simple-mfd", "syscon";
110 reg = <0x59820000 0x200>;
111
112 clock {
113 compatible = "socionext,uniphier-ld11-peri-clock";
114 #clock-cells = <1>;
115 };
116
117 other nodes ...
118 };
119
120Provided clocks:
121
122 0: UART ch0
123 1: UART ch1
124 2: UART ch2
125 3: UART ch3
126 4: I2C ch0
127 5: I2C ch1
128 6: I2C ch2
129 7: I2C ch3
130 8: I2C ch4
131 9: I2C ch5
13210: I2C ch6