linux-kernel - [PATCH] ARM: dts: lan966x: Enable sgpio on pcb8291

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Date:   Wed, 19 Oct 2022 09:51:54 +0200
From:   Horatiu Vultur <horatiu.vultur@...rochip.com>
To:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <claudiu.beznea@...rochip.com>, <nicolas.ferre@...rochip.com>,
        <UNGLinuxDriver@...rochip.com>,
        Horatiu Vultur <horatiu.vultur@...rochip.com>
Subject: [PATCH] ARM: dts: lan966x: Enable sgpio on pcb8291

Enable sgpio node on pcb8291 as this is needed to be able to control
the LEDs on this board. Otherwise the LEDs support on the board will
not be available.
On the other board pcb8309 the sgpio is already enabled because it
needed to access the SFP ports.

Signed-off-by: Horatiu Vultur <horatiu.vultur@...rochip.com>
---
 arch/arm/boot/dts/lan966x-pcb8291.dts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/lan966x-pcb8291.dts b/arch/arm/boot/dts/lan966x-pcb8291.dts
index f4f054cdf2a87..3a3d76af86122 100644
--- a/arch/arm/boot/dts/lan966x-pcb8291.dts
+++ b/arch/arm/boot/dts/lan966x-pcb8291.dts
@@ -69,6 +69,12 @@ can0_b_pins:  can0-b-pins {
 		pins = "GPIO_35", "GPIO_36";
 		function = "can0_b";
 	};
+
+	sgpio_a_pins: sgpio-a-pins {
+		/* SCK, D0, D1, LD */
+		pins = "GPIO_32", "GPIO_33", "GPIO_34", "GPIO_35";
+		function = "sgpio_a";
+	};
 };
 
 &can0 {
@@ -118,6 +124,20 @@ &serdes {
 	status = "okay";
 };
 
+&sgpio {
+	pinctrl-0 = <&sgpio_a_pins>;
+	pinctrl-names = "default";
+	microchip,sgpio-port-ranges = <0 3>, <8 11>;
+	status = "okay";
+
+	gpio@0 {
+		ngpios = <64>;
+	};
+	gpio@1 {
+		ngpios = <64>;
+	};
+};
+
 &switch {
 	status = "okay";
 };
-- 
2.38.0