The compatible "fsl,qoriq-gpio" is used by gpio driver: drivers/gpio/gpio-mpc8xxx.c to implement general gpio functionalities. The chip-specific compatible "fsl,ls2080a-gpio" may be used to fix potential gpio IP block errata or other chip-specific gpio issues. Signed-off-by: Liu Gang <Gang.Liu@xxxxxxx> --- arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi index 9d746c6..24b4330 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi @@ -342,7 +342,7 @@ }; gpio0: gpio@2300000 { - compatible = "fsl,qoriq-gpio"; + compatible = "fsl,ls2080a-gpio", "fsl,qoriq-gpio"; reg = <0x0 0x2300000 0x0 0x10000>; interrupts = <0 36 0x4>; /* Level high type */ gpio-controller; @@ -353,7 +353,7 @@ }; gpio1: gpio@2310000 { - compatible = "fsl,qoriq-gpio"; + compatible = "fsl,ls2080a-gpio", "fsl,qoriq-gpio"; reg = <0x0 0x2310000 0x0 0x10000>; interrupts = <0 36 0x4>; /* Level high type */ gpio-controller; @@ -364,7 +364,7 @@ }; gpio2: gpio@2320000 { - compatible = "fsl,qoriq-gpio"; + compatible = "fsl,ls2080a-gpio", "fsl,qoriq-gpio"; reg = <0x0 0x2320000 0x0 0x10000>; interrupts = <0 37 0x4>; /* Level high type */ gpio-controller; @@ -375,7 +375,7 @@ }; gpio3: gpio@2330000 { - compatible = "fsl,qoriq-gpio"; + compatible = "fsl,ls2080a-gpio", "fsl,qoriq-gpio"; reg = <0x0 0x2330000 0x0 0x10000>; interrupts = <0 37 0x4>; /* Level high type */ gpio-controller; -- 2.1.0.27.g96db324 -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html