[PATCH 1/3] dt-bindings: spi: Document bcm2711 and bcm7211 SPI compatible
From: Florian Fainelli <f.fainelli@gmail.com>
Date: 2020-06-04 03:47:14
Also in:
linux-arm-kernel, linux-spi, lkml
Subsystem:
open firmware and flattened device tree bindings, spi subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Mark Brown, Linus Torvalds
The BCM2711 and BCM7211 chips use the BCM2835 SPI controller, but there are severl instances of those in the system and they all share the same interrupt line. Document specific compatible strings such that the driver can take appropriate actions. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> --- Documentation/devicetree/bindings/spi/brcm,bcm2835-spi.txt | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/spi/brcm,bcm2835-spi.txt b/Documentation/devicetree/bindings/spi/brcm,bcm2835-spi.txt
index f11f295c8450..3d55dd64b1be 100644
--- a/Documentation/devicetree/bindings/spi/brcm,bcm2835-spi.txt
+++ b/Documentation/devicetree/bindings/spi/brcm,bcm2835-spi.txt@@ -5,7 +5,8 @@ SPI0, and the other known as the "Universal SPI Master"; part of the auxiliary block. This binding applies to the SPI0 controller. Required properties: -- compatible: Should be "brcm,bcm2835-spi". +- compatible: Should be one of "brcm,bcm2835-spi" for BCM2835/2836/2837 or + "brcm,bcm2711-spi" for BCM2711 or "brcm,bcm7211-spi" for BCM7211. - reg: Should contain register location and length. - interrupts: Should contain interrupt. - clocks: The clock feeding the SPI controller.
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2.17.1