Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
arm64: zynqmp: Enable AMS on SOM and other zcu10x boards
AMS is used for monitoring system. Used for measuring voltages and
especially temperatures. Origin interface is IIO but via iio-hwmon it can
be moved to hwmon framework too (done for SOM and zcu100).
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/e1e1621ac1cee7f36ef20606bb3795e130de9609.1683034376.git.michal.simek@amd.com
+79
+26
arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
+26
arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
···
76
76
default-state = "on";
77
77
};
78
78
};
79
+
80
+
ams {
81
+
compatible = "iio-hwmon";
82
+
io-channels = <&xilinx_ams 0>, <&xilinx_ams 1>, <&xilinx_ams 2>,
83
+
<&xilinx_ams 3>, <&xilinx_ams 4>, <&xilinx_ams 5>,
84
+
<&xilinx_ams 6>, <&xilinx_ams 7>, <&xilinx_ams 8>,
85
+
<&xilinx_ams 9>, <&xilinx_ams 10>, <&xilinx_ams 11>,
86
+
<&xilinx_ams 12>, <&xilinx_ams 13>, <&xilinx_ams 14>,
87
+
<&xilinx_ams 15>, <&xilinx_ams 16>, <&xilinx_ams 17>,
88
+
<&xilinx_ams 18>, <&xilinx_ams 19>, <&xilinx_ams 20>,
89
+
<&xilinx_ams 21>, <&xilinx_ams 22>, <&xilinx_ams 23>,
90
+
<&xilinx_ams 24>, <&xilinx_ams 25>, <&xilinx_ams 26>,
91
+
<&xilinx_ams 27>, <&xilinx_ams 28>, <&xilinx_ams 29>;
92
+
};
79
93
};
80
94
81
95
&modepin_gpio {
···
332
318
"", "", "", "", "", /* 160 - 164 */
333
319
"", "", "", "", "", /* 165 - 169 */
334
320
"", "", "", ""; /* 170 - 173 */
321
+
};
322
+
323
+
&xilinx_ams {
324
+
status = "okay";
325
+
};
326
+
327
+
&ams_ps {
328
+
status = "okay";
329
+
};
330
+
331
+
&ams_pl {
332
+
status = "okay";
335
333
};
336
334
337
335
&zynqmp_dpsub {
+17
arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts
+17
arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts
···
58
58
};
59
59
};
60
60
61
+
iio-hwmon {
62
+
compatible = "iio-hwmon";
63
+
io-channels = <&xilinx_ams 0>, <&xilinx_ams 1>, <&xilinx_ams 2>,
64
+
<&xilinx_ams 3>, <&xilinx_ams 4>, <&xilinx_ams 5>,
65
+
<&xilinx_ams 6>, <&xilinx_ams 7>, <&xilinx_ams 8>,
66
+
<&xilinx_ams 9>, <&xilinx_ams 10>,
67
+
<&xilinx_ams 11>, <&xilinx_ams 12>;
68
+
};
69
+
61
70
leds {
62
71
compatible = "gpio-leds";
63
72
led-ds2 {
···
580
571
};
581
572
582
573
&watchdog0 {
574
+
status = "okay";
575
+
};
576
+
577
+
&xilinx_ams {
578
+
status = "okay";
579
+
};
580
+
581
+
&ams_ps {
583
582
status = "okay";
584
583
};
585
584
+12
arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
+12
arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
+12
arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts
+12
arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts
+12
arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts
+12
arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts