[PATCH v1 05/14] arm64: dts: mediatek: mt7988: move uart0 and spi1 pins to soc dtsi

Frank Wunderlich linux at fw-web.de
Sun May 11 07:19:21 PDT 2025


From: Frank Wunderlich <frank-w at public-files.de>

In order to use uart0 or spi1 there is only 1 possible pin definition
so move them to soc dtsi to reuse them in other boards and avoiding
conflict if defined twice.

Suggested-by: Daniel Golle <daniel at makrotopia.org>
Signed-off-by: Frank Wunderlich <frank-w at public-files.de>
---
 .../dts/mediatek/mt7988a-bananapi-bpi-r4.dtsi  | 14 --------------
 arch/arm64/boot/dts/mediatek/mt7988a.dtsi      | 18 ++++++++++++++++++
 2 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dtsi b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dtsi
index 37e541a98ee1..23b267cd47ac 100644
--- a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dtsi
@@ -328,13 +328,6 @@ mux {
 		};
 	};
 
-	uart0_pins: uart0-pins {
-		mux {
-			function = "uart";
-			groups =  "uart0";
-		};
-	};
-
 	snfi_pins: snfi-pins {
 		mux {
 			function = "flash";
@@ -356,13 +349,6 @@ mux {
 		};
 	};
 
-	spi1_pins: spi1-pins {
-		mux {
-			function = "spi";
-			groups = "spi1";
-		};
-	};
-
 	spi2_pins: spi2-pins {
 		mux {
 			function = "spi";
diff --git a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
index 8c31935f4ab0..ab6fc09940b8 100644
--- a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
@@ -209,6 +209,20 @@ mux {
 						 "pcie_wake_n3_0";
 				};
 			};
+
+			spi1_pins: spi1-pins {
+				mux {
+					function = "spi";
+					groups = "spi1";
+				};
+			};
+
+			uart0_pins: uart0-pins {
+				mux {
+					function = "uart";
+					groups =  "uart0";
+				};
+			};
 		};
 
 		pwm: pwm at 10048000 {
@@ -244,6 +258,8 @@ serial0: serial at 11000000 {
 			clocks = <&topckgen CLK_TOP_UART_SEL>,
 				 <&infracfg CLK_INFRA_52M_UART0_CK>;
 			clock-names = "baud", "bus";
+			pinctrl-names = "default";
+			pinctrl-0 = <&uart0_pins>;
 			status = "disabled";
 		};
 
@@ -338,6 +354,8 @@ spi1: spi at 11008000 {
 				      "hclk";
 			#address-cells = <1>;
 			#size-cells = <0>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&spi1_pins>;
 			status = "disabled";
 		};
 
-- 
2.43.0




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