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From: Conor Dooley <conor@kernel.org>
To: Drew Fustini <dfustini@baylibre.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Jisheng Zhang <jszhang@kernel.org>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Guo Ren <guoren@kernel.org>, Fu Wei <wefu@redhat.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Robert Nelson <robertcnelson@beagleboard.org>,
	Jason Kridner <jkridner@beagleboard.org>,
	Xi Ruoyao <xry111@xry111.site>, Han Gao <gaohan@iscas.ac.cn>,
	Icenowy Zheng <uwu@icenowy.me>,
	linux-mmc@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org
Subject: Re: [PATCH 1/6] dt-bindings: mmc: sdhci-of-dwcmhsc: Add T-Head TH1520 support
Date: Fri, 22 Sep 2023 10:57:36 +0100	[thread overview]
Message-ID: <20230922-parish-ice-a22e93dc3027@spud> (raw)
In-Reply-To: <20230921-th1520-mmc-v1-1-49f76c274fb3@baylibre.com>

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Hey Drew,

On Thu, Sep 21, 2023 at 06:49:48PM -0700, Drew Fustini wrote:
> Add compatible value for the T-Head TH1520 dwcmshc controller and add
> thead,phy-pull-up property.
> 
> Signed-off-by: Drew Fustini <dfustini@baylibre.com>
> ---
>  Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml b/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml
> index a43eb837f8da..46b768d46712 100644
> --- a/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml
> +++ b/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml
> @@ -19,6 +19,7 @@ properties:
>        - rockchip,rk3568-dwcmshc
>        - rockchip,rk3588-dwcmshc
>        - snps,dwcmshc-sdhci
> +      - thead,th1520-dwcmshc
>  
>    reg:
>      maxItems: 1
> @@ -60,6 +61,9 @@ properties:
>      description: Specify the number of delay for tx sampling.
>      $ref: /schemas/types.yaml#/definitions/uint8
>  
> +  thead,phy-pull-up:
> +    description: Enable weak pull-up on PHY pads
> +    type: boolean

Why is the weak pull-up required? How would the dts author know if they
need to use this property?

Thanks,
Conor.

>  
>  required:
>    - compatible
> 
> -- 
> 2.34.1
> 

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  reply	other threads:[~2023-09-22  9:57 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-22  1:49 [PATCH 0/6] RISC-V: Add eMMC support for TH1520 boards Drew Fustini
2023-09-22  1:49 ` [PATCH 1/6] dt-bindings: mmc: sdhci-of-dwcmhsc: Add T-Head TH1520 support Drew Fustini
2023-09-22  9:57   ` Conor Dooley [this message]
2023-09-22 15:18     ` Drew Fustini
2023-09-23  8:10       ` Guo Ren
2023-09-24 21:04         ` Drew Fustini
2023-09-22  1:49 ` [PATCH 2/6] mmc: sdhci: add __sdhci_execute_tuning() to header Drew Fustini
2023-09-25 10:21   ` Adrian Hunter
2023-09-25 10:23     ` Xi Ruoyao
2023-09-25 10:31       ` Adrian Hunter
2023-09-25 14:41     ` Drew Fustini
2023-09-22  1:49 ` [PATCH 3/6] mmc: sdhci-of-dwcmshc: Add support for T-Head TH1520 Drew Fustini
2023-09-25 10:35   ` Adrian Hunter
2023-09-25 14:43     ` Drew Fustini
2023-10-04 16:19   ` Jisheng Zhang
2023-10-04 19:12     ` Drew Fustini
2023-09-22  1:49 ` [PATCH 4/6] riscv: dts: thead: Add TH1520 mmc controller and sdhci clock Drew Fustini
2023-09-22  1:49 ` [PATCH 5/6] riscv: dts: thead: Enable BeagleV Ahead eMMC controller Drew Fustini
2023-09-22  1:49 ` [PATCH 6/6] riscv: dts: thead: Enable LicheePi 4A " Drew Fustini
2023-09-22 11:41 ` [PATCH 0/6] RISC-V: Add eMMC support for TH1520 boards Xi Ruoyao
2023-09-22 16:23   ` Drew Fustini
2023-09-23 16:33     ` Xi Ruoyao
2023-09-23  0:11   ` Icenowy Zheng
2023-09-22 19:08 ` Robert Nelson
2023-09-22 22:48   ` Robert Nelson
2023-10-03  4:37     ` Drew Fustini
2023-10-04 11:30       ` Jisheng Zhang
2023-10-04 13:02         ` Lad, Prabhakar
2023-10-04 13:49           ` Robin Murphy
2023-10-04 14:02             ` Icenowy Zheng
2023-10-04 14:18               ` Robin Murphy
2023-10-04 14:46                 ` Icenowy Zheng
2023-10-04 14:58                 ` Icenowy Zheng
2023-10-04 16:03                 ` Lad, Prabhakar
2023-10-04 17:16                   ` Lad, Prabhakar
2023-10-04 18:49                     ` Samuel Holland
2023-10-04 19:38                       ` Robin Murphy
2023-10-04 20:47                         ` Lad, Prabhakar
2023-10-05  6:57                     ` Christoph Hellwig
2023-10-04 14:06             ` Jisheng Zhang
2023-10-04 15:27               ` Geert Uytterhoeven

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