* [PATCH v2 15/18] arm64: dts: ulcb-kf: enable PCA9539 on I2C4
@ 2017-09-14 14:19 Vladimir Barinov
2017-09-20 13:46 ` Geert Uytterhoeven
0 siblings, 1 reply; 2+ messages in thread
From: Vladimir Barinov @ 2017-09-14 14:19 UTC (permalink / raw)
To: Simon Horman, Magnus Damm, Rob Herring, Mark Rutland,
Catalin Marinas, Will Deacon
Cc: devicetree, linux-renesas-soc, Vladimir Barinov
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(+)
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";
};
--
1.9.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2 15/18] arm64: dts: ulcb-kf: enable PCA9539 on I2C4
2017-09-14 14:19 [PATCH v2 15/18] arm64: dts: ulcb-kf: enable PCA9539 on I2C4 Vladimir Barinov
@ 2017-09-20 13:46 ` Geert Uytterhoeven
0 siblings, 0 replies; 2+ messages in thread
From: Geert Uytterhoeven @ 2017-09-20 13:46 UTC (permalink / raw)
To: Vladimir Barinov
Cc: Simon Horman, Magnus Damm, Rob Herring, Mark Rutland,
Catalin Marinas, Will Deacon, devicetree@vger.kernel.org,
Linux-Renesas
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
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