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Wed, 12 Jul 2023 07:44:00 -0500 Received: from DFLE111.ent.ti.com (10.64.6.32) by DFLE109.ent.ti.com (10.64.6.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Wed, 12 Jul 2023 07:43:59 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE111.ent.ti.com (10.64.6.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Wed, 12 Jul 2023 07:43:59 -0500 Received: from [172.24.227.112] (ileaxei01-snat2.itg.ti.com [10.180.69.6]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 36CChuwa070068; Wed, 12 Jul 2023 07:43:56 -0500 Message-ID: <5d2ec125-1f05-2316-1e9a-24b5d85aa4c9@ti.com> Date: Wed, 12 Jul 2023 18:13:55 +0530 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: Re: [PATCH v5 1/5] arm64: dts: ti: k3-j784s4-main: Add system controller and SERDES lane mux Content-Language: en-US To: Roger Quadros , Krzysztof Kozlowski , Nishanth Menon CC: , , , , , , , , References: <20230710101705.154119-1-j-choudhary@ti.com> <20230710101705.154119-2-j-choudhary@ti.com> <23833669-b9f7-94aa-ea42-56843842cba6@linaro.org> <20230711153144.jvofubaez5uoog5p@unmanaged> <1e3b4fa4-6de7-e7bb-f1f7-266a73d87fb0@linaro.org> From: Jayesh Choudhary In-Reply-To: X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230712_054419_202780_0C35F64D X-CRM114-Status: GOOD ( 21.98 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 12/07/23 16:51, Roger Quadros wrote: > > > On 12/07/2023 08:44, Krzysztof Kozlowski wrote: >> On 11/07/2023 17:31, Nishanth Menon wrote: >>> On 12:01-20230711, Jayesh Choudhary wrote: >>>> >>>> >>>> On 10/07/23 17:13, Krzysztof Kozlowski wrote: >>>>> On 10/07/2023 12:17, Jayesh Choudhary wrote: >>>>>> From: Siddharth Vadapalli >>>>>> >>>>>> 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 >>>>>> [j-choudhary@ti.com: Add reg property to fix dtc warning] >>>>>> Signed-off-by: Jayesh Choudhary >>>>>> --- >>>>>> arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 23 ++++++++++++++++++++++ >>>>>> 1 file changed, 23 insertions(+) >>>>>> >>>>>> diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi >>>>>> index 2ea0adae6832..68cc2fa053e7 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 >>>>>> +#include >>>>> >>>>> Why? What do you use from that binding? >>>>> >>>> >>>> Missed idle-state in the mux-controller node here for default values. >>>> I will wait for more feedback and then re-spin the series. >>> >>> btw, I am wondering if ti-serdes.h should even exist in dt-bindings - >>> are any of the macros used in the driver? or should this follow the >>> pinctrl style macros that could happily reside in arch/arm64/boot/dts/ti >>> ? >> >> I don't see any usage in drivers, which is a clear indication that it >> might not be suitable for bindings. What are these values? Look like >> some register values, which there is little sense in making a binding. >> >> Best regards, >> Krzysztof >> >> > > You are right. They are constants not used in the driver directly. > mmio-mux driver uses it to set the idle state of the mux via the > 'idle-states' property. > > I agree with Nishanth that they should be moved to arch/arm64/boot/dts/ti > Then I will do the cleanup for all platforms and then post the dependent series before spinning v6. Thanks and Warm regards, -Jayesh _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel