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From:   =?UTF-8?q?Andreas=20F=C3=A4rber?= <afaerber@suse.de>
To:     linux-realtek-soc@lists.infradead.org
Cc:     linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        =?UTF-8?q?Andreas=20F=C3=A4rber?= <afaerber@suse.de>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>, devicetree@vger.kernel.org
Subject: [PATCH v2 3/9] arm64: dts: realtek: rtd129x: Introduce r-bus
Date:   Mon,  2 Dec 2019 11:29:04 +0100
Message-Id: <20191202102910.26916-4-afaerber@suse.de>
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Model Realtek's register bus in DT.

Signed-off-by: Andreas Färber <afaerber@suse.de>
---
 v1 -> v2:
 * Fixed r-bus size from 0x100000 to 0x200000 (James)
 * Renamed node from r-bus to bus (Rob)
 
 arch/arm64/boot/dts/realtek/rtd129x.dtsi | 136 ++++++++++++++++---------------
 1 file changed, 72 insertions(+), 64 deletions(-)

diff --git a/arch/arm64/boot/dts/realtek/rtd129x.dtsi b/arch/arm64/boot/dts/realtek/rtd129x.dtsi
index 8d80cca945bc..5e755dda7abb 100644
--- a/arch/arm64/boot/dts/realtek/rtd129x.dtsi
+++ b/arch/arm64/boot/dts/realtek/rtd129x.dtsi
@@ -55,70 +55,78 @@
 		/* Exclude up to 2 GiB of RAM */
 		ranges = <0x80000000 0x80000000 0x80000000>;
 
-		reset1: reset-controller@98000000 {
-			compatible = "snps,dw-low-reset";
-			reg = <0x98000000 0x4>;
-			#reset-cells = <1>;
-		};
-
-		reset2: reset-controller@98000004 {
-			compatible = "snps,dw-low-reset";
-			reg = <0x98000004 0x4>;
-			#reset-cells = <1>;
-		};
-
-		reset3: reset-controller@98000008 {
-			compatible = "snps,dw-low-reset";
-			reg = <0x98000008 0x4>;
-			#reset-cells = <1>;
-		};
-
-		reset4: reset-controller@98000050 {
-			compatible = "snps,dw-low-reset";
-			reg = <0x98000050 0x4>;
-			#reset-cells = <1>;
-		};
-
-		iso_reset: reset-controller@98007088 {
-			compatible = "snps,dw-low-reset";
-			reg = <0x98007088 0x4>;
-			#reset-cells = <1>;
-		};
-
-		wdt: watchdog@98007680 {
-			compatible = "realtek,rtd1295-watchdog";
-			reg = <0x98007680 0x100>;
-			clocks = <&osc27M>;
-		};
-
-		uart0: serial@98007800 {
-			compatible = "snps,dw-apb-uart";
-			reg = <0x98007800 0x400>;
-			reg-shift = <2>;
-			reg-io-width = <4>;
-			clock-frequency = <27000000>;
-			resets = <&iso_reset RTD1295_ISO_RSTN_UR0>;
-			status = "disabled";
-		};
-
-		uart1: serial@9801b200 {
-			compatible = "snps,dw-apb-uart";
-			reg = <0x9801b200 0x100>;
-			reg-shift = <2>;
-			reg-io-width = <4>;
-			clock-frequency = <432000000>;
-			resets = <&reset2 RTD1295_RSTN_UR1>;
-			status = "disabled";
-		};
-
-		uart2: serial@9801b400 {
-			compatible = "snps,dw-apb-uart";
-			reg = <0x9801b400 0x100>;
-			reg-shift = <2>;
-			reg-io-width = <4>;
-			clock-frequency = <432000000>;
-			resets = <&reset2 RTD1295_RSTN_UR2>;
-			status = "disabled";
+		rbus: bus@98000000 {
+			compatible = "simple-bus";
+			reg = <0x98000000 0x200000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0x0 0x98000000 0x200000>;
+
+			reset1: reset-controller@0 {
+				compatible = "snps,dw-low-reset";
+				reg = <0x0 0x4>;
+				#reset-cells = <1>;
+			};
+
+			reset2: reset-controller@4 {
+				compatible = "snps,dw-low-reset";
+				reg = <0x4 0x4>;
+				#reset-cells = <1>;
+			};
+
+			reset3: reset-controller@8 {
+				compatible = "snps,dw-low-reset";
+				reg = <0x8 0x4>;
+				#reset-cells = <1>;
+			};
+
+			reset4: reset-controller@50 {
+				compatible = "snps,dw-low-reset";
+				reg = <0x50 0x4>;
+				#reset-cells = <1>;
+			};
+
+			iso_reset: reset-controller@7088 {
+				compatible = "snps,dw-low-reset";
+				reg = <0x7088 0x4>;
+				#reset-cells = <1>;
+			};
+
+			wdt: watchdog@7680 {
+				compatible = "realtek,rtd1295-watchdog";
+				reg = <0x7680 0x100>;
+				clocks = <&osc27M>;
+			};
+
+			uart0: serial@7800 {
+				compatible = "snps,dw-apb-uart";
+				reg = <0x7800 0x400>;
+				reg-shift = <2>;
+				reg-io-width = <4>;
+				clock-frequency = <27000000>;
+				resets = <&iso_reset RTD1295_ISO_RSTN_UR0>;
+				status = "disabled";
+			};
+
+			uart1: serial@1b200 {
+				compatible = "snps,dw-apb-uart";
+				reg = <0x1b200 0x100>;
+				reg-shift = <2>;
+				reg-io-width = <4>;
+				clock-frequency = <432000000>;
+				resets = <&reset2 RTD1295_RSTN_UR1>;
+				status = "disabled";
+			};
+
+			uart2: serial@1b400 {
+				compatible = "snps,dw-apb-uart";
+				reg = <0x1b400 0x100>;
+				reg-shift = <2>;
+				reg-io-width = <4>;
+				clock-frequency = <432000000>;
+				resets = <&reset2 RTD1295_RSTN_UR2>;
+				status = "disabled";
+			};
 		};
 
 		gic: interrupt-controller@ff011000 {
-- 
2.16.4