linux-kernel - Re: [PATCH v2 1/5] arm64: dts: ti: k3-j784s4-main: Add system controller and SERDES lane mux

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Message-ID: <c41fe817-6ce2-e3dd-3380-d04f3319f7eb@ti.com>
Date:   Mon, 17 Apr 2023 13:05:47 +0530
From:   Jayesh Choudhary <j-choudhary@...com>
To:     Vignesh Raghavendra <vigneshr@...com>, <nm@...com>, <afd@...com>
CC:     <s-vadapalli@...com>, <kristo@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/5] arm64: dts: ti: k3-j784s4-main: Add system
 controller and SERDES lane mux

Hi Vignesh,

On 17/04/23 10:07, Vignesh Raghavendra wrote:
> Hi Jayesh
> 
> On 14/04/23 20:45, Jayesh Choudhary wrote:
>> From: Siddharth Vadapalli <s-vadapalli@...com>
>>
>> The system controller node manages the CTRL_MMR0 region.
>> Add serdes_ln_ctrl node which is used for controlling the SERDES lane mux.
>>
>> Signed-off-by: Siddharth Vadapalli <s-vadapalli@...com>
>> Signed-off-by: Jayesh Choudhary <j-choudhary@...com>
>> ---
>>   arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 22 ++++++++++++++++++++++
>>   1 file changed, 22 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
>> index e9169eb358c1..344f4ffa0b82 100644
>> --- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
>> +++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
>> @@ -5,6 +5,9 @@
>>    * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
>>    */
>>   
>> +#include <dt-bindings/mux/mux.h>
>> +#include <dt-bindings/mux/ti-serdes.h>
>> +
>>   &cbass_main {
>>   	msmc_ram: sram@...00000 {
>>   		compatible = "mmio-sram";
>> @@ -26,6 +29,25 @@ l3cache-sram@...000 {
>>   		};
>>   	};
>>   
>> +	scm_conf: scm-conf@...000 {
> 
> generic node name please: "syscon@"

Okay.

> 
>> +		compatible = "ti,j721e-system-controller", "syscon", "simple-mfd";
>> +		reg = <0x00 0x00100000 0x00 0x1c000>;
>> +		#address-cells = <1>;
>> +		#size-cells = <1>;
>> +		ranges = <0x00 0x00 0x00100000 0x1c000>;
>> +
>> +		serdes_ln_ctrl: mux-controller@...0 {
> 
> Either add reg property or replace @ with -

Will use '-'.

> 
> Run make with W=12 to catch such errors.

Okay. Will do.

Thanks.

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