Re: [PATCH v4 06/14] MIPS: jz4740: DTS: Add nodes for ingenic pinctrl and gpio drivers

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Hi,

Le 2017-04-03 11:57, Sergei Shtylyov a écrit :
Hello!

On 4/2/2017 11:42 PM, Paul Cercueil wrote:

For a description of the pinctrl devicetree node, please read
Documentation/devicetree/bindings/pinctrl/ingenic,pinctrl.txt

For a description of the gpio devicetree nodes, please read
Documentation/devicetree/bindings/gpio/ingenic,gpio.txt

Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
[...]

diff --git a/arch/mips/boot/dts/ingenic/jz4740.dtsi b/arch/mips/boot/dts/ingenic/jz4740.dtsi
index 3e1587f1f77a..9c23c877fc34 100644
--- a/arch/mips/boot/dts/ingenic/jz4740.dtsi
+++ b/arch/mips/boot/dts/ingenic/jz4740.dtsi
@@ -55,6 +55,67 @@
 		clock-names = "rtc";
 	};

+	pinctrl: ingenic-pinctrl@10010000 {

   The node name should be generic, so please rename it to something
like "pin-controller@..."

OK.

+		compatible = "ingenic,jz4740-pinctrl";
+		reg = <0x10010000 0x400>;
+
+		gpa: gpio-controller@0 {

   The name should be just "gpio@0", according to ePAPR and its
successor spec. Although, using the <unit-address> without the "reg"
prop isn't allowed either...

ePAPR says: "If the node has no reg property, the unit-address may be
omitted if the node name alone differentiates the node from other nodes at
the same level in the tree."

I could use 'gpio@bank-a', it is allowed by the spec. Or do you prefer 'gpio@0'?

MBR, Sergei

I'll wait from some feedback on the other patches then send a v5.

Thanks,
-Paul
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