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.
As a practical matter, the gpio-pcf857x driver doesn't match this
string, so these device trees currently don't work.
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
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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