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Add spi-max-frequency properties to all spigen nodes. This is a required

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property for spi devices, although in the spigen case it's expected that
the speed will be overridden at runtime via the ioctl interface.  A very
conservative 500khz speed is used (I've never seen a spi device that
couldn't run at 1mhz).
This commit is contained in:
Ian Lepore 2018-06-23 22:55:22 +00:00
parent db36566345
commit 95e390b666
2 changed files with 4 additions and 0 deletions
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2
sys/dts/arm/overlays/spigen-rpi-b.dtso
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@ -13,11 +13,13 @@
spigen0: spigen0 {
compatible = "freebsd,spigen";
reg = <0>;
spi-max-frequency = <500000>; /* Req'd property, override with spi(8) */
status = "okay";
};
spigen1: spigen1 {
compatible = "freebsd,spigen";
reg = <1>;
spi-max-frequency = <500000>; /* Req'd property, override with spi(8) */
status = "okay";
};
};

2
sys/dts/arm/overlays/spigen-rpi2.dtso
View File

@ -17,11 +17,13 @@
spigen1: spigen1 {
compatible = "freebsd,spigen";
reg = <1>;
spi-max-frequency = <500000>; /* Req'd property, override with spi(8) */
status = "okay";
};
spigen2: spigen2 {
compatible = "freebsd,spigen";
reg = <2>;
spi-max-frequency = <500000>; /* Req'd property, override with spi(8) */
status = "okay";
};
};