linux-kernel - [PATCH] powerpc: dts: mpc8315erdb: Add GPIO controller node

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Message-Id: <20250418-mpc-gpio-v1-1-24be2365992a@posteo.net>
Date: Fri, 18 Apr 2025 20:48:14 +0200
From: J. Neuschäfer via B4 Relay <devnull+j.ne.posteo.net@...nel.org>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Madhavan Srinivasan <maddy@...ux.ibm.com>, 
 Michael Ellerman <mpe@...erman.id.au>, Nicholas Piggin <npiggin@...il.com>, 
 Christophe Leroy <christophe.leroy@...roup.eu>, 
 Naveen N Rao <naveen@...nel.org>
Cc: devicetree@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org, 
 linux-kernel@...r.kernel.org, 
 J. Neuschäfer <j.ne@...teo.net>
Subject: [PATCH] powerpc: dts: mpc8315erdb: Add GPIO controller node

From: "J. Neuschäfer" <j.ne@...teo.net>

The MPC8315E SoC and variants have a GPIO controller at IMMR + 0xc00.
This node was previously missing from the device tree.

Signed-off-by: J. Neuschäfer <j.ne@...teo.net>
---
A version of this patch was previously part of the series "powerpc:
MPC83xx cleanup and LANCOM NWAPP2 board", but I'm splitting it out to
reduce the size of that series.
---
 arch/powerpc/boot/dts/mpc8315erdb.dts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/powerpc/boot/dts/mpc8315erdb.dts b/arch/powerpc/boot/dts/mpc8315erdb.dts
index e09b37d7489d01bfd16a26e9786868f630fa0262..a89cb3139ca8c3d4f22e43838a4b7d2dd5109aa5 100644
--- a/arch/powerpc/boot/dts/mpc8315erdb.dts
+++ b/arch/powerpc/boot/dts/mpc8315erdb.dts
@@ -6,6 +6,7 @@
  */

 /dts-v1/;
+#include <dt-bindings/interrupt-controller/irq.h>

 / {
 	compatible = "fsl,mpc8315erdb";
@@ -358,6 +359,15 @@ pmc: power@b00 {
 			interrupt-parent = <&ipic>;
 			fsl,mpc8313-wakeup-timer = <&gtm1>;
 		};
+
+		gpio: gpio-controller@c00 {
+			compatible = "fsl,mpc8314-gpio";
+			reg = <0xc00 0x100>;
+			interrupts = <74 IRQ_TYPE_LEVEL_LOW>;
+			interrupt-parent = <&ipic>;
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
 	};

 	pci0: pci@...08500 {

---
base-commit: 0af2f6be1b4281385b618cb86ad946eded089ac8
change-id: 20250418-mpc-gpio-79dca9f70546

Best regards,
-- 
J. Neuschäfer <j.ne@...teo.net>