linux-kernel - [PATCH] ARM: dts: bcm2711: Use bcm2711 compatible for sdhci

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Date:   Sun, 19 Jan 2020 20:17:40 -0800
From:   Stephen Brennan <stephen@...nnan.io>
To:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
Cc:     Stephen Brennan <stephen@...nnan.io>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org, bcm-kernel-feedback-list@...adcom.com,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ARM: dts: bcm2711: Use bcm2711 compatible for sdhci

When booting Raspberry Pi 4B using a micro SDHC UHS class 1 card, the SD
card partitions never appear in /dev.  According to the device tree
bindings for Broadcom IPROC SDHCI controller, we should use
"brcm,bcm2711-emmc2" compatible string on BCM2711. Set this compatible
string, which allows these cards to be mounted.

Signed-off-by: Stephen Brennan <stephen@...nnan.io>
---
 arch/arm/boot/dts/bcm2711.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/bcm2711.dtsi b/arch/arm/boot/dts/bcm2711.dtsi
index b64865ad5a41..48e3b0162bda 100644
--- a/arch/arm/boot/dts/bcm2711.dtsi
+++ b/arch/arm/boot/dts/bcm2711.dtsi
@@ -853,6 +853,7 @@ &mailbox {
 };
 
 &sdhci {
+	compatible = "brcm,bcm2711-emmc2";
 	interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>;
 };
 
-- 
2.24.0