linux-kernel - [PATCH 5.15 142/177] riscv: dts: unleashed: Add gpio card detect to mmc-spi-slot

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Date:   Mon, 20 Dec 2021 15:34:52 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Bin Meng <bin.meng@...driver.com>,
        Palmer Dabbelt <palmer@...osinc.com>
Subject: [PATCH 5.15 142/177] riscv: dts: unleashed: Add gpio card detect to mmc-spi-slot

From: Bin Meng <bin.meng@...driver.com>

commit 6331b8765cd0634a4e4cdcc1a6f1a74196616b94 upstream.

Per HiFive Unleashed schematics, the card detect signal of the
micro SD card is connected to gpio pin #11, which should be
reflected in the DT via the <gpios> property, as described in
Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt.

[1] https://sifive.cdn.prismic.io/sifive/c52a8e32-05ce-4aaf-95c8-7bf8453f8698_hifive-unleashed-a00-schematics-1.pdf

Signed-off-by: Bin Meng <bin.meng@...driver.com>
Fixes: d573b5558abb ("riscv: dts: add initial board data for the SiFive HiFive Unmatched")
Cc: stable@...r.kernel.org
Signed-off-by: Palmer Dabbelt <palmer@...osinc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts |    1 +
 1 file changed, 1 insertion(+)

--- a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
+++ b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
@@ -80,6 +80,7 @@
 		spi-max-frequency = <20000000>;
 		voltage-ranges = <3300 3300>;
 		disable-wp;
+		gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
 	};
 };