linux-kernel - [PATCH 3/5] ARM: dts: microchip: sam9x60: Remove additional compatible string from GPIO node

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Date: Mon, 24 Jun 2024 15:34:29 +0530
From: Manikandan Muralidharan <manikandan.m@...rochip.com>
To: <linus.walleij@...aro.org>, <brgl@...ev.pl>, <robh@...nel.org>,
	<krzk+dt@...nel.org>, <conor+dt@...nel.org>, <nicolas.ferre@...rochip.com>,
	<alexandre.belloni@...tlin.com>, <claudiu.beznea@...on.dev>, <arnd@...db.de>,
	<durai.manickamkr@...rochip.com>, <linux-gpio@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
CC: <Hari.PrasathGE@...rochip.com>, <Balamanikandan.Gunasundar@...rochip.com>,
	<Durai.ManickamKR@...rochip.com>, <Nayabbasha.Sayed@...rochip.com>,
	<Dharma.B@...rochip.com>, <Varshini.Rajendran@...rochip.com>,
	<Balakrishnan.S@...rochip.com>, <Charan.Pedumuru@...rochip.com>, "Manikandan
 Muralidharan" <manikandan.m@...rochip.com>
Subject: [PATCH 3/5] ARM: dts: microchip: sam9x60: Remove additional compatible string from GPIO node

The driver data specific to each pinctrl GPIO bank compatible nodes are not
the same and declaring additional compatible string as fallback has no
specific purpose, hence, removing the "atmel,at91sam9x5-gpio" compatible from
sam9x60 SoC DT.

Note: The at91 pinctrl driver uses "atmel,at91rm9200-gpio" compatible string
to find the number of active GPIO banks and identify the pinmux nodes.It
should used as a constant across all DT for GPIO node banks that uses PIO3
based pinctrl driver

Signed-off-by: Manikandan Muralidharan <manikandan.m@...rochip.com>
---
 arch/arm/boot/dts/microchip/sam9x60.dtsi | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm/boot/dts/microchip/sam9x60.dtsi b/arch/arm/boot/dts/microchip/sam9x60.dtsi
index 797855e78058..db2ddff872d2 100644
--- a/arch/arm/boot/dts/microchip/sam9x60.dtsi
+++ b/arch/arm/boot/dts/microchip/sam9x60.dtsi
@@ -1236,7 +1236,7 @@ pinctrl: pinctrl@...ff400 {
 						 >;
 
 				pioA: gpio@...ff400 {
-					compatible = "microchip,sam9x60-gpio", "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
+					compatible = "microchip,sam9x60-gpio", "atmel,at91rm9200-gpio";
 					reg = <0xfffff400 0x200>;
 					interrupts = <2 IRQ_TYPE_LEVEL_HIGH 1>;
 					#gpio-cells = <2>;
@@ -1247,7 +1247,7 @@ pioA: gpio@...ff400 {
 				};
 
 				pioB: gpio@...ff600 {
-					compatible = "microchip,sam9x60-gpio", "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
+					compatible = "microchip,sam9x60-gpio", "atmel,at91rm9200-gpio";
 					reg = <0xfffff600 0x200>;
 					interrupts = <3 IRQ_TYPE_LEVEL_HIGH 1>;
 					#gpio-cells = <2>;
@@ -1259,7 +1259,7 @@ pioB: gpio@...ff600 {
 				};
 
 				pioC: gpio@...ff800 {
-					compatible = "microchip,sam9x60-gpio", "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
+					compatible = "microchip,sam9x60-gpio", "atmel,at91rm9200-gpio";
 					reg = <0xfffff800 0x200>;
 					interrupts = <4 IRQ_TYPE_LEVEL_HIGH 1>;
 					#gpio-cells = <2>;
@@ -1270,7 +1270,7 @@ pioC: gpio@...ff800 {
 				};
 
 				pioD: gpio@...ffa00 {
-					compatible = "microchip,sam9x60-gpio", "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
+					compatible = "microchip,sam9x60-gpio", "atmel,at91rm9200-gpio";
 					reg = <0xfffffa00 0x200>;
 					interrupts = <44 IRQ_TYPE_LEVEL_HIGH 1>;
 					#gpio-cells = <2>;
-- 
2.25.1