Thread (14 messages) 14 messages, 4 authors, 2019-08-22

Re: [PATCH v2 3/6] arm64: dts: fsl: Add device tree for S32V234-EVB

From: Stefan-gabriel Mirea <hidden>
Date: 2019-08-20 16:38:51
Also in: linux-devicetree, linux-doc, linux-serial, lkml

Hello Shawn,

Thank you for your suggestions!

On 8/19/2019 11:58 AM, Shawn Guo wrote:
On Fri, Aug 09, 2019 at 11:29:12AM +0000, Stefan-gabriel Mirea wrote:
quoted
 .../boot/dts/freescale/fsl-s32v234-evb.dts    |  24 ++++
The 'fsl-' prefix can be saved here, so that we can distinguish three
families by starting string: imx??? for i.MX, fsl-??? for LayerScape,
and s32??? for S32.
All right, I will remove the prefixes.
quoted
+     model = "Freescale S32V234";
The 'model' is usually used in board level DTS to describe the board.
I will delete the 'model' property from fsl-s32v234.dtsi and add a
suitable one in fsl-s32v234-evb.dts.
quoted
+             };
Please have a newline between nodes.
quoted
+             cpu1: cpu@1 {
I've got it.
quoted
+                             interrupts = <0 59 1>;
Please use GIC_SPI and IRQ_TYPE_xxx defines to make it more readable.
I will use GIC_SPI/GIC_PPI and IRQ_TYPE_xxx/GIC_CPU_MASK_xxx where
applicable.
quoted
+
+     timer {
+             compatible = "arm,armv8-timer";
+             interrupts = <1 13 0xf08>,
+                          <1 14 0xf08>,
+                          <1 11 0xf08>,
+                          <1 10 0xf08>;
+             /* clock-frequency might be modified by u-boot, depending on the
+              * chip version.
+              */
+             clock-frequency = <10000000>;
+     };
+
+     gic: interrupt-controller@7d001000 {
+             compatible = "arm,cortex-a15-gic", "arm,cortex-a9-gic";
+             #interrupt-cells = <3>;
+             #address-cells = <0>;
+             interrupt-controller;
+             reg = <0 0x7d001000 0 0x1000>,
+                   <0 0x7d002000 0 0x2000>,
+                   <0 0x7d004000 0 0x2000>,
+                   <0 0x7d006000 0 0x2000>;
+             interrupts = <1 9 0xf04>;
+     };
We usually put these core platform devices prior to 'soc' node.
Sure, I will move the 'timer' and 'interrupt-controller' nodes right
before 'soc'.

Regards,
Stefan

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