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From: Sumit Garg <sumit.garg@kernel.org>
To: Tom Rini <trini@konsulko.com>
Cc: Abhilash V <abhilash.v@oss.qualcomm.com>,
	ilias.apalodimas@linaro.org, aswin.murugan@oss.qualcomm.com,
	casey.connolly@linaro.org, neil.armstrong@linaro.org,
	sumit.garg@kernel.org, lukma@nabladev.com, peng.fan@nxp.com,
	jh80.chung@samsung.com, tanmay.kathpalia@altera.com,
	sjg@chromium.org, Michael.Srba@seznam.cz,
	varadarajan.narayanan@oss.qualcomm.com, nikroks@mainlining.org,
	balaji.selvanathan@oss.qualcomm.com, nathbappai@gmail.com,
	jbx6244@gmail.com, u-boot@lists.u-boot-project.org,
	u-boot-qcom@groups.io
Subject: Re: [PATCH v5 05/13] arm: dts: shikra: retain QUP SPL dependencies
Date: Fri, 30 Oct 2026 11:46:48 +0530	[thread overview]
Message-ID: <auQ2UDmehpUEDvLF@sumit-xelite> (raw)
In-Reply-To: <20261029165138.GE2976463@bill-the-cat>

Hey Abhilash, Aswin, Balaji, Varda,

Just wanted to reiterate the general OF_UPSTREAM DT guideline below.

On Thu, 29 Oct 2026 at 10:51:38 -0600, Tom Rini wrote:
>On Thu, Oct 29, 2026 at 03:57:38AM -0700, Abhilash V wrote:
>
>> Retain QUP, console, pinctrl, clock, power-domain, RPM,
>> and MMC dependencies in the SPL device tree so the firmware
>> loader can use the boot medium once probed in SPL.
>>
>> Signed-off-by: Abhilash V <abhilash.v@oss.qualcomm.com>
>> ---
>>  arch/arm/dts/shikra-cqs-evk-u-boot.dtsi | 44 +++++++++++++++++++++++++
>>  1 file changed, 44 insertions(+)
>>
>> diff --git a/arch/arm/dts/shikra-cqs-evk-u-boot.dtsi b/arch/arm/dts/shikra-cqs-evk-u-boot.dtsi
>> index e807b91ef1f..c79c63ad732 100644
>> --- a/arch/arm/dts/shikra-cqs-evk-u-boot.dtsi
>> +++ b/arch/arm/dts/shikra-cqs-evk-u-boot.dtsi
>> @@ -20,3 +20,47 @@
>>  &usb_qmpphy {
>>  	status = "okay";
>>  };
>> +
>> +/*
>> + * Keep SPL console and QUP dependencies.
>> + */
>> +&gcc {
>> +	bootph-all;
>> +};
>> +
>> +&tlmm {
>> +	bootph-all;
>> +};
>> +
>> +&qup_uart0_default {
>> +	bootph-all;
>> +};
>> +
>> +&sdc1_state_on {
>> +	bootph-all;
>> +};
>> +
>> +&sdc1_state_off {
>> +	bootph-all;
>> +};
>> +
>> +&sdhc_1 {
>> +	bootph-all;
>> +};
>> +
>> +&qupv3_0 {
>> +	bootph-all;
>> +};
>> +
>> +&uart0 {
>> +	bootph-all;
>> +};
>> +
>> +/* Retain the RPM clock and power-domain providers for boot consumers. */
>> +&rpmcc {
>> +	bootph-all;
>> +};
>> +
>> +&rpmpd {
>> +	bootph-all;
>> +};
>
>Why aren't you upstreaming these?

+1

Please don't push any DT overrides in U-Boot without any upstream path
to get rid of DT overrides in future. Always provide a link to upstream
kernel DT posting whenever any exception is needed to add DT overrides
in U-Boot. This applies to all the patch-sets adding DT overrides
especially in case of U-Boot SPL support series.

bootph-all is well upstream kernel DT accepted approach, so first go for
kernel DT updates always.

-Sumit

  reply	other threads:[~2026-10-30  6:17 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-29 10:57 [PATCH v5 00/13] qcom: shikra: add eMMC SPL boot support Abhilash V
2026-10-29 10:57 ` [PATCH v5 01/13] arm: qcom: add common QCLIB SPL extension helpers Abhilash V
2026-10-29 16:47   ` Tom Rini
2026-10-29 10:57 ` [PATCH v5 02/13] pinctrl: qcom: add Shikra SPL pinctrl option Abhilash V
2026-10-29 10:57 ` [PATCH v5 03/13] board: qualcomm: shikra: add SPL board support Abhilash V
2026-10-29 16:50   ` Tom Rini
2026-10-29 10:57 ` [PATCH v5 04/13] clk: qcom: add configurable FSM-voted PLL helper Abhilash V
2026-10-29 10:57 ` [PATCH v5 05/13] arm: dts: shikra: retain QUP SPL dependencies Abhilash V
2026-10-29 16:51   ` Tom Rini
2026-10-30  6:16     ` Sumit Garg [this message]
2026-10-29 10:57 ` [PATCH v5 06/13] clk: qcom: configure Shikra GPLL6 for SDCC1 Abhilash V
2026-10-29 10:57 ` [PATCH v5 07/13] clk: qcom: enable Shikra QUP wrapper clocks Abhilash V
2026-10-29 10:57 ` [PATCH v5 08/13] mmc: msm_sdhci: make tuning callbacks optional Abhilash V
2026-10-29 10:57 ` [PATCH v5 09/13] arm: qcom: enable MMU and cache setup for Shikra SPL Abhilash V
2026-10-29 17:14   ` Tom Rini
2026-10-29 10:57 ` [PATCH v5 10/13] board: qualcomm: shikra: prepare QUP firmware in SPL Abhilash V
2026-10-29 10:57 ` [PATCH v5 11/13] board: qualcomm: shikra: embed XBL-sec in SPL ELF Abhilash V
2026-10-29 16:55   ` Tom Rini
2026-10-29 10:57 ` [PATCH v5 12/13] arm: dts: shikra: retain SPL dependencies in IQS overlay Abhilash V
2026-10-29 10:57 ` [PATCH v5 13/13] clk: qcom: build only selected clock drivers in SPL Abhilash V
2026-10-29 17:21   ` Tom Rini

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