tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
pinctrl: dt-bindings: add documentation for AP806 pin controllers
Document the device tree binding for the pin controllers found on the
Armada 7K and Armada 8K SoCs.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
+47
-8
+47
-8
Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt
+47
-8
Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt
···
28
28
- compatible: must be: "marvell,ap806-clock"
29
29
- #clock-cells: must be set to 1
30
30
31
+
Pinctrl:
32
+
--------
33
+
34
+
For common binding part and usage, refer to
35
+
Documentation/devicetree/bindings/pinctrl/marvell,mvebu-pinctrl.txt.
36
+
37
+
Required properties:
38
+
- compatible must be "marvell,ap806-pinctrl",
39
+
40
+
Available mpp pins/groups and functions:
41
+
Note: brackets (x) are not part of the mpp name for marvell,function and given
42
+
only for more detailed description in this document.
43
+
44
+
name pins functions
45
+
================================================================================
46
+
mpp0 0 gpio, sdio(clk), spi0(clk)
47
+
mpp1 1 gpio, sdio(cmd), spi0(miso)
48
+
mpp2 2 gpio, sdio(d0), spi0(mosi)
49
+
mpp3 3 gpio, sdio(d1), spi0(cs0n)
50
+
mpp4 4 gpio, sdio(d2), i2c0(sda)
51
+
mpp5 5 gpio, sdio(d3), i2c0(sdk)
52
+
mpp6 6 gpio, sdio(ds)
53
+
mpp7 7 gpio, sdio(d4), uart1(rxd)
54
+
mpp8 8 gpio, sdio(d5), uart1(txd)
55
+
mpp9 9 gpio, sdio(d6), spi0(cs1n)
56
+
mpp10 10 gpio, sdio(d7)
57
+
mpp11 11 gpio, uart0(txd)
58
+
mpp12 12 gpio, sdio(pw_off), sdio(hw_rst)
59
+
mpp13 13 gpio
60
+
mpp14 14 gpio
61
+
mpp15 15 gpio
62
+
mpp16 16 gpio
63
+
mpp17 17 gpio
64
+
mpp18 18 gpio
65
+
mpp19 19 gpio, uart0(rxd), sdio(pw_off)
66
+
31
67
Example:
68
+
ap_syscon: system-controller@6f4000 {
69
+
compatible = "syscon", "simple-mfd";
70
+
reg = <0x6f4000 0x1000>;
32
71
33
-
syscon: system-controller@6f4000 {
34
-
compatible = "syscon", "simple-mfd";
35
-
reg = <0x6f4000 0x1000>;
36
-
37
-
ap_clk: clock {
38
-
compatible = "marvell,ap806-clock";
39
-
#clock-cells = <1>;
40
-
};
72
+
ap_clk: clock {
73
+
compatible = "marvell,ap806-clock";
74
+
#clock-cells = <1>;
41
75
};
76
+
77
+
ap_pinctrl: pinctrl {
78
+
compatible = "marvell,ap806-pinctrl";
79
+
};
80
+
};