linux-kernel - [PATCH v4 5/8] ARM: dts: rtd1195: Introduce r-bus

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Date:   Sat, 23 Nov 2019 21:37:56 +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>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org
Subject: [PATCH v4 5/8] ARM: dts: rtd1195: Introduce r-bus

Model Realtek's register bus in DT.

Signed-off-by: Andreas Färber <afaerber@...e.de>
---
 v3 -> v4: Unchanged
 
 v3: from RTD1395 v1
 * Fixed r-bus size from 0x100000 to 0x70000 in reg and ranges (James)
 * Renamed bus node from r-bus to bus (Rob)
 
 arch/arm/boot/dts/rtd1195.dtsi | 52 ++++++++++++++++++++++++------------------
 1 file changed, 30 insertions(+), 22 deletions(-)

diff --git a/arch/arm/boot/dts/rtd1195.dtsi b/arch/arm/boot/dts/rtd1195.dtsi
index 0d7c2be750f6..a8f7b9caacba 100644
--- a/arch/arm/boot/dts/rtd1195.dtsi
+++ b/arch/arm/boot/dts/rtd1195.dtsi
@@ -93,28 +93,36 @@
 			 <0x18100000 0x18100000 0x01000000>,
 			 <0x80000000 0x80000000 0x80000000>;
 
-		wdt: watchdog@...07680 {
-			compatible = "realtek,rtd1295-watchdog";
-			reg = <0x18007680 0x100>;
-			clocks = <&osc27M>;
-		};
-
-		uart0: serial@...07800 {
-			compatible = "snps,dw-apb-uart";
-			reg = <0x18007800 0x400>;
-			reg-shift = <2>;
-			reg-io-width = <4>;
-			clock-frequency = <27000000>;
-			status = "disabled";
-		};
-
-		uart1: serial@...1b200 {
-			compatible = "snps,dw-apb-uart";
-			reg = <0x1801b200 0x100>;
-			reg-shift = <2>;
-			reg-io-width = <4>;
-			clock-frequency = <27000000>;
-			status = "disabled";
+		rbus: bus@...00000 {
+			compatible = "simple-bus";
+			reg = <0x18000000 0x70000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0x0 0x18000000 0x70000>;
+
+			wdt: watchdog@...0 {
+				compatible = "realtek,rtd1295-watchdog";
+				reg = <0x7680 0x100>;
+				clocks = <&osc27M>;
+			};
+
+			uart0: serial@...0 {
+				compatible = "snps,dw-apb-uart";
+				reg = <0x7800 0x400>;
+				reg-shift = <2>;
+				reg-io-width = <4>;
+				clock-frequency = <27000000>;
+				status = "disabled";
+			};
+
+			uart1: serial@...00 {
+				compatible = "snps,dw-apb-uart";
+				reg = <0x1b200 0x100>;
+				reg-shift = <2>;
+				reg-io-width = <4>;
+				clock-frequency = <27000000>;
+				status = "disabled";
+			};
 		};
 
 		gic: interrupt-controller@...11000 {
-- 
2.16.4