2020-08-05 16:55:52

by Sebastian Reichel

Subject: [PATCHv1] ARM: dts/imx6q-bx50v3: Add IRQ support for internal switch

This adds missing interrupt support for the internal Marvell
switch, so that the kernel does not have to keep polling the
PHYs on the bit-banged MDIO bus all the time.

Signed-off-by: Sebastian Reichel <[email protected]>
---
arch/arm/boot/dts/imx6q-bx50v3.dtsi | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/imx6q-bx50v3.dtsi b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
index 1938b04199c4..1fb67cd2b2a1 100644
--- a/arch/arm/boot/dts/imx6q-bx50v3.dtsi
+++ b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
@@ -102,10 +102,15 @@ mdio0: mdio-gpio {
#address-cells = <1>;
#size-cells = <0>;

- switch@0 {
+ switch: switch@0 {
compatible = "marvell,mv88e6085"; /* 88e6240*/
reg = <0>;

+ interrupt-parent = <&gpio2>;
+ interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+
switch_ports: ports {
#address-cells = <1>;
#size-cells = <0>;
@@ -117,22 +122,32 @@ mdio {

switchphy0: switchphy@0 {
reg = <0>;
+ interrupt-parent = <&switch>;
+ interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
};

switchphy1: switchphy@1 {
reg = <1>;
+ interrupt-parent = <&switch>;
+ interrupts = <1 IRQ_TYPE_LEVEL_HIGH>;
};

switchphy2: switchphy@2 {
reg = <2>;
+ interrupt-parent = <&switch>;
+ interrupts = <2 IRQ_TYPE_LEVEL_HIGH>;
};

switchphy3: switchphy@3 {
reg = <3>;
+ interrupt-parent = <&switch>;
+ interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;
};

switchphy4: switchphy@4 {
reg = <4>;
+ interrupt-parent = <&switch>;
+ interrupts = <4 IRQ_TYPE_LEVEL_HIGH>;
};
};
};
--
2.27.0

2020-08-22 12:51:06

by Shawn Guo

Subject: Re: [PATCHv1] ARM: dts/imx6q-bx50v3: Add IRQ support for internal switch

On Wed, Aug 05, 2020 at 03:58:17PM +0200, Sebastian Reichel wrote:
> This adds missing interrupt support for the internal Marvell
> switch, so that the kernel does not have to keep polling the
> PHYs on the bit-banged MDIO bus all the time.
>
> Signed-off-by: Sebastian Reichel <[email protected]>

Changed subject prefix to 'ARM: dts: imx6q-bx50v3: ...', and applied the
patch.

Shawn