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Groups > linux.kernel > #1256444 > unrolled thread

[PATCH] ARM: dts: uniphier: add system-bus-controller nodes

Started byMasahiro Yamada <yamada.masahiro@socionext.com>
First post2015-10-27 04:30 +0100
Last post2015-10-31 03:10 +0100
Articles 2 — 2 participants

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  [PATCH] ARM: dts: uniphier: add system-bus-controller nodes Masahiro Yamada <yamada.masahiro@socionext.com> - 2015-10-27 04:30 +0100
    Re: [PATCH] ARM: dts: uniphier: add system-bus-controller nodes Olof Johansson <olof@lixom.net> - 2015-10-31 03:10 +0100

#1256444 — [PATCH] ARM: dts: uniphier: add system-bus-controller nodes

FromMasahiro Yamada <yamada.masahiro@socionext.com>
Date2015-10-27 04:30 +0100
Subject[PATCH] ARM: dts: uniphier: add system-bus-controller nodes
Message-ID<qo37r-8tR-9@gated-at.bofh.it>
The System Bus Controller block has two register regions,
but having only the second one in a separate node was not nice.

Replace it with a new node with two register regions in it.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

 arch/arm/boot/dts/uniphier-ph1-ld4.dtsi     | 7 +++----
 arch/arm/boot/dts/uniphier-ph1-pro4.dtsi    | 7 +++----
 arch/arm/boot/dts/uniphier-ph1-pro5.dtsi    | 7 +++----
 arch/arm/boot/dts/uniphier-ph1-sld3.dtsi    | 7 +++----
 arch/arm/boot/dts/uniphier-ph1-sld8.dtsi    | 7 +++----
 arch/arm/boot/dts/uniphier-proxstream2.dtsi | 7 +++----
 6 files changed, 18 insertions(+), 24 deletions(-)

diff --git a/arch/arm/boot/dts/uniphier-ph1-ld4.dtsi b/arch/arm/boot/dts/uniphier-ph1-ld4.dtsi
index ae13469..af49381 100644
--- a/arch/arm/boot/dts/uniphier-ph1-ld4.dtsi
+++ b/arch/arm/boot/dts/uniphier-ph1-ld4.dtsi
@@ -200,10 +200,9 @@
 			clock-frequency = <100000>;
 		};
 
-		system-bus-controller-misc@59800000 {
-			compatible = "socionext,uniphier-system-bus-controller-misc",
-				     "syscon";
-			reg = <0x59800000 0x2000>;
+		system-bus-controller@58c00000 {
+			compatible = "socionext,uniphier-system-bus-controller";
+			reg = <0x58c00000 0x400>, <0x59800000 0x2000>;
 		};
 
 		usb0: usb@5a800100 {
diff --git a/arch/arm/boot/dts/uniphier-ph1-pro4.dtsi b/arch/arm/boot/dts/uniphier-ph1-pro4.dtsi
index 85377b2..254642f 100644
--- a/arch/arm/boot/dts/uniphier-ph1-pro4.dtsi
+++ b/arch/arm/boot/dts/uniphier-ph1-pro4.dtsi
@@ -232,10 +232,9 @@
 			clock-frequency = <400000>;
 		};
 
-		system-bus-controller-misc@59800000 {
-			compatible = "socionext,uniphier-system-bus-controller-misc",
-				     "syscon";
-			reg = <0x59800000 0x2000>;
+		system-bus-controller@58c00000 {
+			compatible = "socionext,uniphier-system-bus-controller";
+			reg = <0x58c00000 0x400>, <0x59800000 0x2000>;
 		};
 
 		usb2: usb@5a800100 {
diff --git a/arch/arm/boot/dts/uniphier-ph1-pro5.dtsi b/arch/arm/boot/dts/uniphier-ph1-pro5.dtsi
index 96da01e..11eb762 100644
--- a/arch/arm/boot/dts/uniphier-ph1-pro5.dtsi
+++ b/arch/arm/boot/dts/uniphier-ph1-pro5.dtsi
@@ -241,10 +241,9 @@
 			clock-frequency = <400000>;
 		};
 
-		system-bus-controller-misc@59800000 {
-			compatible = "socionext,uniphier-system-bus-controller-misc",
-				     "syscon";
-			reg = <0x59800000 0x2000>;
+		system-bus-controller@58c00000 {
+			compatible = "socionext,uniphier-system-bus-controller";
+			reg = <0x58c00000 0x400>, <0x59800000 0x2000>;
 		};
 
 		pinctrl: pinctrl@5f801000 {
diff --git a/arch/arm/boot/dts/uniphier-ph1-sld3.dtsi b/arch/arm/boot/dts/uniphier-ph1-sld3.dtsi
index 945b37f..691a17d 100644
--- a/arch/arm/boot/dts/uniphier-ph1-sld3.dtsi
+++ b/arch/arm/boot/dts/uniphier-ph1-sld3.dtsi
@@ -216,10 +216,9 @@
 			clock-frequency = <400000>;
 		};
 
-		system-bus-controller-misc@59800000 {
-			compatible = "socionext,uniphier-system-bus-controller-misc",
-				     "syscon";
-			reg = <0x59800000 0x2000>;
+		system-bus-controller@58c00000 {
+			compatible = "socionext,uniphier-system-bus-controller";
+			reg = <0x58c00000 0x400>, <0x59800000 0x2000>;
 		};
 
 		usb0: usb@5a800100 {
diff --git a/arch/arm/boot/dts/uniphier-ph1-sld8.dtsi b/arch/arm/boot/dts/uniphier-ph1-sld8.dtsi
index c98428c..e88559b 100644
--- a/arch/arm/boot/dts/uniphier-ph1-sld8.dtsi
+++ b/arch/arm/boot/dts/uniphier-ph1-sld8.dtsi
@@ -200,10 +200,9 @@
 			clock-frequency = <100000>;
 		};
 
-		system-bus-controller-misc@59800000 {
-			compatible = "socionext,uniphier-system-bus-controller-misc",
-				     "syscon";
-			reg = <0x59800000 0x2000>;
+		system-bus-controller@58c00000 {
+			compatible = "socionext,uniphier-system-bus-controller";
+			reg = <0x58c00000 0x400>, <0x59800000 0x2000>;
 		};
 
 		usb0: usb@5a800100 {
diff --git a/arch/arm/boot/dts/uniphier-proxstream2.dtsi b/arch/arm/boot/dts/uniphier-proxstream2.dtsi
index ad5fb39..259f1a9 100644
--- a/arch/arm/boot/dts/uniphier-proxstream2.dtsi
+++ b/arch/arm/boot/dts/uniphier-proxstream2.dtsi
@@ -251,10 +251,9 @@
 			clock-frequency = <400000>;
 		};
 
-		system-bus-controller-misc@59800000 {
-			compatible = "socionext,uniphier-system-bus-controller-misc",
-				     "syscon";
-			reg = <0x59800000 0x2000>;
+		system-bus-controller@58c00000 {
+			compatible = "socionext,uniphier-system-bus-controller";
+			reg = <0x58c00000 0x400>, <0x59800000 0x2000>;
 		};
 
 		pinctrl: pinctrl@5f801000 {
-- 
1.9.1

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#1259898

FromOlof Johansson <olof@lixom.net>
Date2015-10-31 03:10 +0100
Message-ID<qptMd-5iJ-3@gated-at.bofh.it>
In reply to#1256444
On Tue, Oct 27, 2015 at 12:21:05PM +0900, Masahiro Yamada wrote:
> The System Bus Controller block has two register regions,
> but having only the second one in a separate node was not nice.
> 
> Replace it with a new node with two register regions in it.
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Applied even though it's very late.

Based on the contents in the DT, the chips seem to share several identical
blocks at the same addresses. It could be worth trying to consolidate some
of the DT contents in a shared dtsi that contains these blocks.


-Olof
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