openwrt/target/linux/bcm27xx/patches-6.1/950-0703-ARM-dts-bcm2711-Add-extra-serial-aliases.patch

From dfc14f5786f1613f398422c7567c7e0cdd60f021 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Fri, 24 Feb 2023 14:53:48 +0000
Subject: [PATCH] ARM: dts: bcm2711: Add extra serial aliases

With UART numbering from DT aliases re-enabled, add aliases for the
additional BCM2711 UARTs. Also use the opportunity to remove some
DTS duplication.

See: https://forums.raspberrypi.com/viewtopic.php?t=347868

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
---
 arch/arm/boot/dts/bcm2711-rpi-4-b.dts  | 19 ------------------
 arch/arm/boot/dts/bcm2711-rpi-400.dts  | 19 ------------------
 arch/arm/boot/dts/bcm2711-rpi-cm4.dts  | 19 ------------------
 arch/arm/boot/dts/bcm2711-rpi-cm4s.dts | 15 +++-----------
 arch/arm/boot/dts/bcm2711-rpi-ds.dtsi  | 27 ++++++++++++++++++++++++++
 5 files changed, 30 insertions(+), 69 deletions(-)

--- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
+++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
@@ -268,25 +268,6 @@
 		bootargs = "coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_headphones=0";
 	};
 
-	aliases {
-		serial0 = &uart1;
-		serial1 = &uart0;
-		mmc0 = &emmc2;
-		mmc1 = &mmcnr;
-		mmc2 = &sdhost;
-		i2c3 = &i2c3;
-		i2c4 = &i2c4;
-		i2c5 = &i2c5;
-		i2c6 = &i2c6;
-		i2c20 = &ddc0;
-		i2c21 = &ddc1;
-		spi3 = &spi3;
-		spi4 = &spi4;
-		spi5 = &spi5;
-		spi6 = &spi6;
-		/delete-property/ intc;
-	};
-
 	/delete-node/ wifi-pwrseq;
 };
 
--- a/arch/arm/boot/dts/bcm2711-rpi-400.dts
+++ b/arch/arm/boot/dts/bcm2711-rpi-400.dts
@@ -268,25 +268,6 @@
 		bootargs = "coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_headphones=0";
 	};
 
-	aliases {
-		serial0 = &uart1;
-		serial1 = &uart0;
-		mmc0 = &emmc2;
-		mmc1 = &mmcnr;
-		mmc2 = &sdhost;
-		i2c3 = &i2c3;
-		i2c4 = &i2c4;
-		i2c5 = &i2c5;
-		i2c6 = &i2c6;
-		i2c20 = &ddc0;
-		i2c21 = &ddc1;
-		spi3 = &spi3;
-		spi4 = &spi4;
-		spi5 = &spi5;
-		spi6 = &spi6;
-		/delete-property/ intc;
-	};
-
 	/delete-node/ wifi-pwrseq;
 };
 
--- a/arch/arm/boot/dts/bcm2711-rpi-cm4.dts
+++ b/arch/arm/boot/dts/bcm2711-rpi-cm4.dts
@@ -277,25 +277,6 @@
 		bootargs = "coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_headphones=0";
 	};
 
-	aliases {
-		serial0 = &uart1;
-		serial1 = &uart0;
-		mmc0 = &emmc2;
-		mmc1 = &mmcnr;
-		mmc2 = &sdhost;
-		i2c3 = &i2c3;
-		i2c4 = &i2c4;
-		i2c5 = &i2c5;
-		i2c6 = &i2c6;
-		i2c20 = &ddc0;
-		i2c21 = &ddc1;
-		spi3 = &spi3;
-		spi4 = &spi4;
-		spi5 = &spi5;
-		spi6 = &spi6;
-		/delete-property/ intc;
-	};
-
 	/delete-node/ wifi-pwrseq;
 };
 
--- a/arch/arm/boot/dts/bcm2711-rpi-cm4s.dts
+++ b/arch/arm/boot/dts/bcm2711-rpi-cm4s.dts
@@ -163,18 +163,9 @@
 
 	aliases {
 		serial0 = &uart0;
-		mmc0 = &emmc2;
-		mmc1 = &mmcnr;
-		mmc2 = &sdhost;
-		i2c3 = &i2c3;
-		i2c4 = &i2c4;
-		i2c5 = &i2c5;
-		i2c6 = &i2c6;
-		spi3 = &spi3;
-		spi4 = &spi4;
-		spi5 = &spi5;
-		spi6 = &spi6;
-		/delete-property/ intc;
+		serial1 = &uart1;
+		/delete-property/ i2c20;
+		/delete-property/ i2c21;
 	};
 
 	/delete-node/ wifi-pwrseq;
--- a/arch/arm/boot/dts/bcm2711-rpi-ds.dtsi
+++ b/arch/arm/boot/dts/bcm2711-rpi-ds.dtsi
@@ -26,6 +26,33 @@
 	chosen {
 		/delete-property/ stdout-path;
 	};
+
+	aliases {
+		uart2 = &uart2;
+		uart3 = &uart3;
+		uart4 = &uart4;
+		uart5 = &uart5;
+		serial0 = &uart1;
+		serial1 = &uart0;
+		serial2 = &uart2;
+		serial3 = &uart3;
+		serial4 = &uart4;
+		serial5 = &uart5;
+		mmc0 = &emmc2;
+		mmc1 = &mmcnr;
+		mmc2 = &sdhost;
+		i2c3 = &i2c3;
+		i2c4 = &i2c4;
+		i2c5 = &i2c5;
+		i2c6 = &i2c6;
+		i2c20 = &ddc0;
+		i2c21 = &ddc1;
+		spi3 = &spi3;
+		spi4 = &spi4;
+		spi5 = &spi5;
+		spi6 = &spi6;
+		/delete-property/ intc;
+	};
 };
 
 &vc4 {