I am looking at enabling support for W25Q32DW SPI chip on a Tegra
platform. I found that the m25p80 driver already supports the chip, so
enabling it through devicetree is simple:
+ spi@7000da00 {
+ status = "okay";
+ spi-flash@0 {
+ compatible = "winbond,w25q32dw";
+ reg = <0>;
+ spi-max-frequency = <20000000>;
+ };
+ };
However, it seems on our platform, we need to ensure a regulator is on
to be able to access the SPI chip. I was wondering if there is already
some binding defined for such a supply. I looked at the binding doc for
m25p80 and didn't see anything obvious, nor did I find anything else
obvious while looking.
Is there some mechanism for defining this dependency?
Thanks,
Rhyland
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