1 * Palmas 32KHz clocks * 1 * Palmas 32KHz clocks *
2 2
3 Palmas device has two clock output pins for 32 3 Palmas device has two clock output pins for 32KHz, KG and KG_AUDIO.
4 4
5 This binding uses the common clock binding ./c 5 This binding uses the common clock binding ./clock-bindings.txt.
6 6
7 Required properties: 7 Required properties:
8 - compatible : "ti,palmas-clk32kg" for clk32k 8 - compatible : "ti,palmas-clk32kg" for clk32kg clock
9 "ti,palmas-clk32kgaudio" for c 9 "ti,palmas-clk32kgaudio" for clk32kgaudio clock
10 - #clock-cells : shall be set to 0. 10 - #clock-cells : shall be set to 0.
11 11
12 Optional property: 12 Optional property:
13 - ti,external-sleep-control: The external enab 13 - ti,external-sleep-control: The external enable input pins controlled the
14 enable/disable of clocks. The externa 14 enable/disable of clocks. The external enable input pins ENABLE1,
15 ENABLE2 and NSLEEP. The valid values f 15 ENABLE2 and NSLEEP. The valid values for the external pins are:
16 PALMAS_EXT_CONTROL_PIN_ENABLE1 16 PALMAS_EXT_CONTROL_PIN_ENABLE1 for ENABLE1 pin
17 PALMAS_EXT_CONTROL_PIN_ENABLE2 17 PALMAS_EXT_CONTROL_PIN_ENABLE2 for ENABLE2 pin
18 PALMAS_EXT_CONTROL_PIN_NSLEEP 18 PALMAS_EXT_CONTROL_PIN_NSLEEP for NSLEEP pin
19 Option 0 or missing this property mean 19 Option 0 or missing this property means the clock is enabled/disabled
20 via register access and these pins do 20 via register access and these pins do not have any control.
21 The macros of external control pins fo 21 The macros of external control pins for DTS is defined at
22 dt-bindings/mfd/palmas.h 22 dt-bindings/mfd/palmas.h
23 23
24 Example: 24 Example:
25 #include <dt-bindings/mfd/palmas.h> 25 #include <dt-bindings/mfd/palmas.h>
26 ... 26 ...
27 palmas: tps65913@58 { 27 palmas: tps65913@58 {
28 ... 28 ...
29 clk32kg: palmas_clk32k@0 { 29 clk32kg: palmas_clk32k@0 {
30 compatible = "ti,palma 30 compatible = "ti,palmas-clk32kg";
31 #clock-cells = <0>; 31 #clock-cells = <0>;
32 ti,external-sleep-cont 32 ti,external-sleep-control = <PALMAS_EXT_CONTROL_PIN_NSLEEP>;
33 }; 33 };
34 ... 34 ...
35 }; 35 };
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