From: Yuantian Tang andy.tang@nxp.com
[ Upstream commit 7eb3894b2fac978f811684e3ccb3cb0ad7820bef ]
The I2C multiplexer used on ls1028aqds is PCA9547, not PCA9847. If the wrong compatible was used, this chip will not be able to be probed correctly and hence fail to work.
Signed-off-by: Yuantian Tang andy.tang@nxp.com Acked-by: Li Yang leoyang.li@nxp.com Fixes: 8897f3255c9c ("arm64: dts: Add support for NXP LS1028A SoC") Signed-off-by: Shawn Guo shawnguo@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts index de6ef39f3118a..fce9343dc017a 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts @@ -99,7 +99,7 @@ status = "okay";
i2c-mux@77 { - compatible = "nxp,pca9847"; + compatible = "nxp,pca9547"; reg = <0x77>; #address-cells = <1>; #size-cells = <0>;