Thread (28 messages) 28 messages, 5 authors, 2017-04-24

Re: [PATCH v4 04/18] dt-bindings: syscon: Add DT bindings documentation for Allwinner syscon

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From: Corentin Labbe <hidden>
Date: 2017-04-20 06:51:16
Also in: linux-arm-kernel, linux-devicetree, lkml

On Thu, Apr 20, 2017 at 12:38:50AM +0100, André Przywara wrote:
On 12/04/17 12:13, Corentin Labbe wrote:
quoted
This patch adds documentation for Device-Tree bindings for the
syscon present in allwinner devices.

Signed-off-by: Corentin Labbe <redacted>
---
 .../devicetree/bindings/misc/allwinner,syscon.txt     | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/misc/allwinner,syscon.txt
diff --git a/Documentation/devicetree/bindings/misc/allwinner,syscon.txt b/Documentation/devicetree/bindings/misc/allwinner,syscon.txt
new file mode 100644
index 0000000..c056c5b
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/allwinner,syscon.txt
@@ -0,0 +1,19 @@
+* Allwinner sun8i system controller
+
+This file describes the bindings for the system controller present in
+Allwinner SoC H3, A83T and A64.
+The principal function of this syscon is to control EMAC PHY choice and
+config.
+
+Required properties for the system controller:
+- reg: address and length of the register for the device.
+- compatible: should be "syscon" and one of the following string:
+		"allwinner,sun8i-h3-system-controller"
+		"allwinner,sun8i-a64-system-controller"
While sun8i might make some sense technically, all 64-bit sunxi
compatible strings use the sun50i prefix to follow the Allwinner naming.
So this should read:
		"allwinner,sun50i-a64-system-controller"

Also I am wondering if we should add a compatible string for the H5
(support for that SoC is in -next already):
		"allwinner,sun50i-h5-system-controller"

Cheers,
Andre.
I agree with sun50i-a64-system-controller, the sun8i-a64 is a copy/paste error.
I will add sun50i-h5-system-controller since all xxx-system-controller are just hypothetic compatible.

Thanks
Regards

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