[PATCH v2] ARM: dts: dra7xx: Fix compatible string for PCF8575 chip

[Ben Hutchings <ben.hutchings-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>]

The binding definition for the PCF857x GPIO expanders doesn't mention
a "ti,pcf8575" compatible string.  This is apparently because TI is
only a second source - there is no functional difference between
PCF8575 chips manufactured by TI and NXP, and the same board might be
populated with either depending on availability.

This is not a problem in practice because the I2C core uses
of_modalias_node() before matching drivers and this strips the
manufacturer name.

Signed-off-by: Ben Hutchings <ben.hutchings-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>
---
v2: Correct the claim that this is a practical problem.

 arch/arm/boot/dts/dra7-evm.dts  | 2 +-
 arch/arm/boot/dts/dra72-evm.dts | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts
index cfc24e52244e..3907c9d2c12e 100644
--- a/arch/arm/boot/dts/dra7-evm.dts
+++ b/arch/arm/boot/dts/dra7-evm.dts
@@ -539,7 +539,7 @@
 	};
 
 	pcf_gpio_21: gpio@21 {
-		compatible = "ti,pcf8575";
+		compatible = "nxp,pcf8575";
 		reg = <0x21>;
 		lines-initial-states = <0x1408>;
 		gpio-controller;
diff --git a/arch/arm/boot/dts/dra72-evm.dts b/arch/arm/boot/dts/dra72-evm.dts
index 00b12002c07c..7ec42bda3afb 100644
--- a/arch/arm/boot/dts/dra72-evm.dts
+++ b/arch/arm/boot/dts/dra72-evm.dts
@@ -422,7 +422,7 @@
 	};
 
 	pcf_gpio_21: gpio@21 {
-		compatible = "ti,pcf8575";
+		compatible = "nxp,pcf8575";
 		reg = <0x21>;
 		lines-initial-states = <0x1408>;
 		gpio-controller;



-- 
Ben Hutchings
Software Developer, Codethink Ltd.


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