linux-kernel - [PATCH 04/14] arm64: dts: realtek: rtd16xx: Introduce iso and misc syscon

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Message-Id: <20191202182205.14629-5-afaerber@suse.de>
Date:   Mon,  2 Dec 2019 19:21:54 +0100
From:   Andreas Färber <afaerber@...e.de>
To:     linux-realtek-soc@...ts.infradead.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Andreas Färber <afaerber@...e.de>,
        James Tai <james.tai@...ltek.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org
Subject: [PATCH 04/14] arm64: dts: realtek: rtd16xx: Introduce iso and misc syscon

Group UART0 into an Isolation syscon mfd node.
Group UART1 and UART2 into a Miscellaneous syscon mfd node.

Cc: James Tai <james.tai@...ltek.com>
Signed-off-by: Andreas Färber <afaerber@...e.de>
---
 arch/arm64/boot/dts/realtek/rtd16xx.dtsi | 70 +++++++++++++++++++++-----------
 1 file changed, 46 insertions(+), 24 deletions(-)

diff --git a/arch/arm64/boot/dts/realtek/rtd16xx.dtsi b/arch/arm64/boot/dts/realtek/rtd16xx.dtsi
index 69cc0d941c8d..8f8f2b328cd1 100644
--- a/arch/arm64/boot/dts/realtek/rtd16xx.dtsi
+++ b/arch/arm64/boot/dts/realtek/rtd16xx.dtsi
@@ -118,34 +118,22 @@
 			#size-cells = <1>;
 			ranges = <0x0 0x98000000 0x200000>;
 
-			uart0: serial0@...0 {
-				compatible = "snps,dw-apb-uart";
-				reg = <0x7800 0x400>;
-				reg-shift = <2>;
+			iso: syscon@...0 {
+				compatible = "syscon", "simple-mfd";
+				reg = <0x7000 0x1000>;
 				reg-io-width = <4>;
-				interrupts = <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>;
-				clock-frequency = <27000000>;
-				status = "disabled";
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0x0 0x7000 0x1000>;
 			};
 
-			uart1: serial1@...00 {
-				compatible = "snps,dw-apb-uart";
-				reg = <0x1b200 0x400>;
-				reg-shift = <2>;
+			misc: syscon@...00 {
+				compatible = "syscon", "simple-mfd";
+				reg = <0x1b000 0x1000>;
 				reg-io-width = <4>;
-				interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
-				clock-frequency = <432000000>;
-				status = "disabled";
-			};
-
-			uart2: serial2@...00 {
-				compatible = "snps,dw-apb-uart";
-				reg = <0x1b400 0x400>;
-				reg-shift = <2>;
-				reg-io-width = <4>;
-				interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
-				clock-frequency = <432000000>;
-				status = "disabled";
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0x0 0x1b000 0x1000>;
 			};
 		};
 
@@ -159,3 +147,37 @@
 		};
 	};
 };
+
+&iso {
+	uart0: serial0@800 {
+		compatible = "snps,dw-apb-uart";
+		reg = <0x800 0x400>;
+		reg-shift = <2>;
+		reg-io-width = <4>;
+		interrupts = <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>;
+		clock-frequency = <27000000>;
+		status = "disabled";
+	};
+};
+
+&misc {
+	uart1: serial1@200 {
+		compatible = "snps,dw-apb-uart";
+		reg = <0x200 0x400>;
+		reg-shift = <2>;
+		reg-io-width = <4>;
+		interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
+		clock-frequency = <432000000>;
+		status = "disabled";
+	};
+
+	uart2: serial2@400 {
+		compatible = "snps,dw-apb-uart";
+		reg = <0x400 0x400>;
+		reg-shift = <2>;
+		reg-io-width = <4>;
+		interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
+		clock-frequency = <432000000>;
+		status = "disabled";
+	};
+};
-- 
2.16.4