linux-kernel - [PATCH v2 07/12] ARM: dts: STi: Add fake reg for restart, powerdown and picophy/softreset

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Date:   Mon, 12 Feb 2018 15:43:05 +0100
From:   <patrice.chotard@...com>
To:     <robh+dt@...nel.org>, <mark.rutland@....com>,
        <linux@...linux.org.uk>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
CC:     <patrice.chotard@...com>
Subject: [PATCH v2 07/12] ARM: dts: STi: Add fake reg for restart, powerdown and picophy/softreset

From: Patrice Chotard <patrice.chotard@...com>

Add fake reg property for restart, powerdown, picophyreset
and softreset.
This allows to fix the following warning when compiling
dtb with W=1 option:

arch/arm/boot/dts/stih407-b2120.dtb: Warning (simple_bus_reg):
Node /soc/restart missing or empty reg/ranges property
arch/arm/boot/dts/stih407-b2120.dtb: Warning (simple_bus_reg):
Node /soc/powerdown-controller missing or empty reg/ranges property
arch/arm/boot/dts/stih407-b2120.dtb: Warning (simple_bus_reg):
Node /soc/softreset-controller missing or empty reg/ranges property
arch/arm/boot/dts/stih407-b2120.dtb: Warning (simple_bus_reg):
Node /soc/picophyreset-controller missing or empty reg/ranges property

arch/arm/boot/dts/stih410-b2120.dtb: Warning (simple_bus_reg):
Node /soc/restart missing or empty reg/ranges property
arch/arm/boot/dts/stih410-b2120.dtb: Warning (simple_bus_reg):
Node /soc/powerdown-controller missing or empty reg/ranges property
arch/arm/boot/dts/stih410-b2120.dtb: Warning (simple_bus_reg):
Node /soc/softreset-controller missing or empty reg/ranges property
arch/arm/boot/dts/stih410-b2120.dtb: Warning (simple_bus_reg):
Node /soc/picophyreset-controller missing or empty reg/ranges property

arch/arm/boot/dts/stih410-b2260.dtb: Warning (simple_bus_reg):
Node /soc/restart missing or empty reg/ranges property
arch/arm/boot/dts/stih410-b2260.dtb: Warning (simple_bus_reg):
Node /soc/powerdown-controller missing or empty reg/ranges property
arch/arm/boot/dts/stih410-b2260.dtb: Warning (simple_bus_reg):
Node /soc/softreset-controller missing or empty reg/ranges property
arch/arm/boot/dts/stih410-b2260.dtb: Warning (simple_bus_reg):
Node /soc/picophyreset-controller missing or empty reg/ranges property

arch/arm/boot/dts/stih418-b2199.dtb: Warning (simple_bus_reg):
Node /soc/restart missing or empty reg/ranges property
arch/arm/boot/dts/stih418-b2199.dtb: Warning (simple_bus_reg):
Node /soc/powerdown-controller missing or empty reg/ranges property
arch/arm/boot/dts/stih418-b2199.dtb: Warning (simple_bus_reg):
Node /soc/softreset-controller missing or empty reg/ranges property
arch/arm/boot/dts/stih418-b2199.dtb: Warning (simple_bus_reg):
Node /soc/picophyreset-controller missing or empty reg/ranges property

Signed-off-by: Patrice Chotard <patrice.chotard@...com>
---

v2: _ add a fake reg property to node without reg property

 arch/arm/boot/dts/stih407-family.dtsi | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/arch/arm/boot/dts/stih407-family.dtsi b/arch/arm/boot/dts/stih407-family.dtsi
index 5a0bad07da9e..00a3838236d1 100644
--- a/arch/arm/boot/dts/stih407-family.dtsi
+++ b/arch/arm/boot/dts/stih407-family.dtsi
@@ -125,24 +125,28 @@
 		ranges;
 		compatible = "simple-bus";
 
-		restart {
+		restart: restart-controller@0 {
 			compatible = "st,stih407-restart";
+			reg = <0 0>;
 			st,syscfg = <&syscfg_sbc_reg>;
 			status = "okay";
 		};
 
-		powerdown: powerdown-controller {
+		powerdown: powerdown-controller@0 {
 			compatible = "st,stih407-powerdown";
+			reg = <0 0>;
 			#reset-cells = <1>;
 		};
 
-		softreset: softreset-controller {
+		softreset: softreset-controller@0 {
 			compatible = "st,stih407-softreset";
+			reg = <0 0>;
 			#reset-cells = <1>;
 		};
 
-		picophyreset: picophyreset-controller {
+		picophyreset: picophyreset-controller@0 {
 			compatible = "st,stih407-picophyreset";
+			reg = <0 0>;
 			#reset-cells = <1>;
 		};
 
-- 
1.9.1