[PATCH v3 15/18] arm64: dts: ulcb-kf: enable TCA9539 on I2C4
From: Vladimir Barinov <hidden>
Date: 2017-10-06 02:44:11
Also in:
linux-renesas-soc
Subsystem:
arm/risc-v/renesas architecture, the rest · Maintainers:
Geert Uytterhoeven, Magnus Damm, Linus Torvalds
This supports TCA9539 gpio expanders on I2C4 bus on ULCB Kingfisher board Signed-off-by: Vladimir Barinov <redacted> --- Changes in version 2: - use generic node name "gpio" Changes in version 3: - changed pca9539 to tca9539 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 40885e7..1cf8466 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi@@ -70,6 +70,28 @@ }; }; +&i2c4 { + gpio_exp_76: gpio@76 { + compatible = "ti,tca9539"; + reg = <0x76>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + interrupt-parent = <&gpio7>; + interrupts = <3 IRQ_TYPE_EDGE_FALLING>; + }; + + gpio_exp_77: gpio@77 { + compatible = "ti,tca9539"; + reg = <0x77>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + interrupt-parent = <&gpio5>; + interrupts = <9 IRQ_TYPE_EDGE_FALLING>; + }; +}; + &ohci0 { status = "okay"; };
--
1.9.1