From: "Jernej Škrabec" <jernej.skrabec@gmail.com>
To: linux-spi@vger.kernel.org, Maksim Kiselev <bigunclemax@gmail.com>
Cc: Maksim Kiselev <bigunclemax@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>, Chen-Yu Tsai <wens@csie.org>,
Samuel Holland <samuel@sholland.org>,
Mark Brown <broonie@kernel.org>,
Cristian Ciocaltea <cristian.ciocaltea@collabora.com>,
devicetree@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1 3/3] riscv: dts: allwinner: d1: Add QSPI pins node for pinmux PC port
Date: Mon, 31 Jul 2023 00:30:39 +0200 [thread overview]
Message-ID: <10311404.nUPlyArG6x@jernej-laptop> (raw)
In-Reply-To: <20230624131632.2972546-4-bigunclemax@gmail.com>
Dne sobota, 24. junij 2023 ob 15:16:24 CEST je Maksim Kiselev napisal(a):
> Add pinmux node that describes pins on PC port which required for
> QSPI mode.
>
> Signed-off-by: Maksim Kiselev <bigunclemax@gmail.com>
> ---
> arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
> b/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi index
> 1bb1e5cae602..9f754dd03d85 100644
> --- a/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
> +++ b/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
> @@ -131,6 +131,13 @@ uart3_pb_pins: uart3-pb-pins {
> pins = "PB6", "PB7";
> function = "uart3";
> };
> +
> + /omit-if-no-ref/
> + qspi0_pc_pins: qspi0-pc-pins {
> + pins = "PC2", "PC3", "PC4", "PC5",
"PC6",
> + "PC7";
> + function = "spi0";
> + };
Sorry for late review, but it seems I'm missing something. D1 manual says
those are pins for ordinary SPI, with HOLD and WP signals. Can they be
repurposed for quad SPI?
Best regards,
Jernej
> };
>
> ccu: clock-controller@2001000 {
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next prev parent reply other threads:[~2023-07-30 22:31 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-24 13:16 [PATCH v1 0/3] Allwinner R329/D1/R528/T113s Dual/Quad SPI modes support Maksim Kiselev
2023-06-24 13:16 ` [PATCH v1 1/3] spi: sun6i: add quirk for dual and quad " Maksim Kiselev
2023-06-25 16:56 ` Markus Elfring
2023-06-24 13:16 ` [PATCH v1 2/3] spi: sun6i: add dual and quad SPI modes support for R329/D1/R528/T113s Maksim Kiselev
2023-06-24 13:16 ` [PATCH v1 3/3] riscv: dts: allwinner: d1: Add QSPI pins node for pinmux PC port Maksim Kiselev
2023-07-30 22:30 ` Jernej Škrabec [this message]
2023-07-31 15:22 ` Maxim Kiselev
2023-08-02 19:50 ` Jernej Škrabec
2023-07-12 11:47 ` (subset) [PATCH v1 0/3] Allwinner R329/D1/R528/T113s Dual/Quad SPI modes support Mark Brown
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