linux-kernel - [PATCH AUTOSEL 4.19 004/219] arm64: dts: marvell: armada-37xx: Enable emmc on espressobin

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Message-Id: <20191122052741.32499-4-sashal@kernel.org>
Date:   Fri, 22 Nov 2019 00:24:06 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Ding Tao <miyatsu@...com>,
        Gregory CLEMENT <gregory.clement@...tlin.com>,
        Sasha Levin <sashal@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org
Subject: [PATCH AUTOSEL 4.19 004/219] arm64: dts: marvell: armada-37xx: Enable emmc on espressobin

From: Ding Tao <miyatsu@...com>

[ Upstream commit 43ebc7c1b3ed8198b9acf3019eca16e722f7331c ]

The ESPRESSObin board has a emmc interface available on U11: declare it
and let the bootloader enable it if the emmc is present.

[gregory.clement@...tlin.com: disable the emmc by default]
Signed-off-by: Ding Tao <miyatsu@...com>
Signed-off-by: Gregory CLEMENT <gregory.clement@...tlin.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 .../dts/marvell/armada-3720-espressobin.dts   | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
index 3ab25ad402b90..846003bb480cd 100644
--- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
+++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
@@ -60,9 +60,31 @@
 	cd-gpios = <&gpionb 3 GPIO_ACTIVE_LOW>;
 	marvell,pad-type = "sd";
 	vqmmc-supply = <&vcc_sd_reg1>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdio_pins>;
 	status = "okay";
 };
 
+/* U11 */
+&sdhci0 {
+	non-removable;
+	bus-width = <8>;
+	mmc-ddr-1_8v;
+	mmc-hs400-1_8v;
+	marvell,xenon-emmc;
+	marvell,xenon-tun-count = <9>;
+	marvell,pad-type = "fixed-1-8v";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc_pins>;
+/*
+ * This eMMC is not populated on all boards, so disable it by
+ * default and let the bootloader enable it, if it is present
+ */
+	status = "disabled";
+};
+
 &spi0 {
 	status = "okay";
 
-- 
2.20.1