diff mbox

[v2,15/18] arm64: dts: ulcb-kf: enable PCA9539 on I2C4

Message ID 1505398766-4813-1-git-send-email-vladimir.barinov@cogentembedded.com (mailing list archive)
State Superseded
Delegated to: Simon Horman
Headers show

Commit Message

Vladimir Barinov Sept. 14, 2017, 2:19 p.m. UTC
This supports PCA9539 gpio expanders on I2C4 bus on ULCB Kingfisher board

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
---
Changes in version 2:
- use generic node name "gpio"

 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

Comments

Geert Uytterhoeven Sept. 20, 2017, 1:46 p.m. UTC | #1
On Thu, Sep 14, 2017 at 4:19 PM, Vladimir Barinov
<vladimir.barinov@cogentembedded.com> wrote:
> This supports PCA9539 gpio expanders on I2C4 bus on ULCB Kingfisher board
>
> Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

> --- 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 = "nxp,pca9539";

Same comment about the compatible values as for [14/18].

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
diff mbox

Patch

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 = "nxp,pca9539";
+		reg = <0x76>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-controller;
+		interrupt-parent = <&gpio7>;
+		interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
+	};
+
+	gpio_exp_77: gpio@77 {
+		compatible = "nxp,pca9539";
+		reg = <0x77>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-controller;
+		interrupt-parent = <&gpio5>;
+		interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
+	};
+};
+
 &ohci0 {
 	status = "okay";
 };