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From:   Conor Dooley <mail@conchuod.ie>
To:     David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
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Cc:     Thomas Gleixner <tglx@linutronix.de>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Conor Dooley <conor.dooley@microchip.com>,
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        linux-riscv@lists.infradead.org
Subject: [PATCH v2 15/16] riscv: dts: canaan: fix bus {ranges,reg} warnings
Date:   Mon, 27 Jun 2022 20:40:03 +0100
Message-Id: <20220627194003.2395484-16-mail@conchuod.ie>
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From: Conor Dooley <conor.dooley@microchip.com>

The k210 devicetrees warn about missing/empty reg and/or ranges
properties:
arch/riscv/boot/dts/canaan/k210.dtsi:408.22-460.5: Warning (unit_address_vs_reg): /soc/bus@52000000: node has a unit name, but no reg or ranges property
arch/riscv/boot/dts/canaan/k210.dtsi:352.22-406.5: Warning (simple_bus_reg): /soc/bus@50400000: missing or empty reg/ranges property

Add reg and ranges properties that naively cap the buses after the
allocation of their last devices.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
---
 arch/riscv/boot/dts/canaan/k210.dtsi | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/arch/riscv/boot/dts/canaan/k210.dtsi b/arch/riscv/boot/dts/canaan/k210.dtsi
index 84a7ab363d72..337ce2b879e7 100644
--- a/arch/riscv/boot/dts/canaan/k210.dtsi
+++ b/arch/riscv/boot/dts/canaan/k210.dtsi
@@ -163,7 +163,8 @@ apb0: bus@50200000 {
 			#address-cells = <1>;
 			#size-cells = <1>;
 			compatible = "simple-pm-bus";
-			ranges;
+			regs = <0x50200000 0x200000>;
+			ranges = <0x50200000 0x50200000 0x200000>;
 			clocks = <&sysclk K210_CLK_APB0>;
 
 			gpio1: gpio@50200000 {
@@ -352,7 +353,8 @@ apb1: bus@50400000 {
 			#address-cells = <1>;
 			#size-cells = <1>;
 			compatible = "simple-pm-bus";
-			ranges;
+			regs = <0x50400000 0x40100>;
+			ranges = <0x50400000 0x50400000 0x40100>;
 			clocks = <&sysclk K210_CLK_APB1>;
 
 			wdt0: watchdog@50400000 {
@@ -407,7 +409,8 @@ apb2: bus@52000000 {
 			#address-cells = <1>;
 			#size-cells = <1>;
 			compatible = "simple-pm-bus";
-			ranges;
+			regs = <0x52000000 0x2000200>;
+			ranges = <0x52000000 0x52000000 0x2000200>;
 			clocks = <&sysclk K210_CLK_APB2>;
 
 			spi0: spi@52000000 {
-- 
2.36.1