Re: [PATCH 5/7] ARM: meson: dts: add basic Meson/Meson6/Meson6-atv1200 DTSI/DTS
From: Carlo Caione <hidden>
Date: 2014-08-19 16:16:52
Also in:
linux-arm-kernel, linux-serial
On Mon, Aug 18, 2014 at 05:17:44PM +0100, Mark Rutland wrote:
On Sun, Aug 17, 2014 at 11:49:52AM +0100, Carlo Caione wrote:
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+ soc@c8100000 {What's the unit-address for? This node doesn't have a reg or compatible.
I used it to indicate the starting address of the memory mapped region.
quoted
+ compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + uart_AO: serial@c81004c0 { + compatible = "amlogic,meson-uart"; + reg = <0xc81004c0 0x14>; + interrupts = <0 90 1>; + clocks = <&clk81>; + status = "disabled"; + }; + + uart_A: serial@c81084c0 { + compatible = "amlogic,meson-uart"; + reg = <0xc81084c0 0x14>; + interrupts = <0 90 1>; + clocks = <&clk81>; + status = "disabled"; + }; + + uart_B: serial@c81084dc { + compatible = "amlogic,meson-uart"; + reg = <0xc81084dc 0x14>; + interrupts = <0 90 1>; + clocks = <&clk81>; + status = "disabled"; + }; + + uart_C: serial@c8108700 { + compatible = "amlogic,meson-uart"; + reg = <0xc8108700 0x14>; + interrupts = <0 90 1>; + clocks = <&clk81>; + status = "disabled";I guess these are disabled because they aren't always wired up?
Yes <cut>
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+ clocks { + #address-cells = <1>; + + clk81: clk@0 { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <200000000>; + }; + };There is really no need to put clocks in a container. Just put them under the root, and drop the unit-address.
I'll do, thanks. -- Carlo Caione