From: Christophe Kerello <christophe.kerello@st.com>
To: Marcin Sloniewski <marcin.sloniewski@gmail.com>,
<linux-arm-kernel@lists.infradead.org>
Cc: Rob Herring <robh@kernel.org>,
Stephan Gerhold <stephan@gerhold.net>,
Manivannan Sadhasivam <mani@kernel.org>,
Heiko Stuebner <heiko.stuebner@theobroma-systems.com>,
Linus Walleij <linus.walleij@linaro.org>,
<linux-kernel@vger.kernel.org>, Lubomir Rintel <lkundrak@v3.sk>,
Mark Brown <broonie@kernel.org>, allen <allen.chen@ite.com.tw>,
Sam Ravnborg <sam@ravnborg.org>,
<linux-stm32@st-md-mailman.stormreply.com>,
<devicetree@vger.kernel.org>
Subject: Re: [Linux-stm32] [PATCH v3 3/3] ARM: dts: stm32: add initial support for stm32mp157-odyssey board
Date: Wed, 22 Jul 2020 14:09:51 +0200 [thread overview]
Message-ID: <73077407-e008-1ae2-266d-1045a73620ba@st.com> (raw)
In-Reply-To: <20200721185317.208722-3-marcin.sloniewski@gmail.com>
Hello Marcin,
On 7/21/20 8:53 PM, Marcin Sloniewski wrote:
> +&sdmmc2 {
> + pinctrl-names = "default", "opendrain", "sleep";
> + pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_a>;
> + pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_pins_a>;
> + pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_a>;
> + non-removable;
> + no-sd;
> + no-sdio;
> + st,neg-edge;
> + bus-width = <4>;
> + vmmc-supply = <&v3v3>;
> + vqmmc-supply = <&v3v3>;
> + mmc-ddr-3_3v;
> + status = "okay";
> +};
Based on the pins muxed, 8 data lines are configured, but the bus width
is set to 4. What is the reason of not setting this property to 8?
Regards,
Christophe Kerello.
next prev parent reply other threads:[~2020-07-22 12:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-21 18:53 [PATCH v3 1/3] dt-bindings: vendor-prefixes: add Seeed Studio Marcin Sloniewski
2020-07-21 18:53 ` [PATCH v3 2/3] dt-bindings: arm: stm32: document Odyssey compatible Marcin Sloniewski
2020-07-21 18:53 ` [PATCH v3 3/3] ARM: dts: stm32: add initial support for stm32mp157-odyssey board Marcin Sloniewski
2020-07-22 6:39 ` Ahmad Fatoum
2020-07-23 19:43 ` Marcin Słoniewski
2020-07-24 9:16 ` Ahmad Fatoum
2020-07-24 14:09 ` Marcin Słoniewski
2020-07-22 12:09 ` Christophe Kerello [this message]
2020-07-23 18:47 ` [Linux-stm32] " Marcin Słoniewski
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