From: Tomaz Solc <tomaz.solc@tablix.org>
To: barebox@lists.infradead.org
Cc: Tomaz Solc <tomaz.solc@tablix.org>
Subject: [PATCH 1/7] ARM: rpi: switch emmc from sdhost to sdhci
Date: Thu, 14 Feb 2019 14:24:23 +0100 [thread overview]
Message-ID: <20190214132429.7463-2-tomaz.solc@tablix.org> (raw)
In-Reply-To: <20190214132429.7463-1-tomaz.solc@tablix.org>
BCM2837 has two mmc interfaces: sdhost and sdhci. On Raspberry Pi 3, sdhost is
normally used for SD card/MMC flash and sdhci for the wireless interface.
Barebox currently only has a driver for sdhci, so we disable the sdhost
interface and remap the pins so that the sdhci has access to the SD card/MMC
flash.
---
arch/arm/dts/bcm2837-rpi-3.dts | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/arm/dts/bcm2837-rpi-3.dts b/arch/arm/dts/bcm2837-rpi-3.dts
index 194b41c23..51883613c 100644
--- a/arch/arm/dts/bcm2837-rpi-3.dts
+++ b/arch/arm/dts/bcm2837-rpi-3.dts
@@ -9,3 +9,12 @@
reg = <0x0 0x0>;
};
};
+
+&sdhci {
+ pinctrl-0 = <&emmc_gpio48>;
+ /delete-node/ wifi@1;
+};
+
+&sdhost {
+ status = "disabled";
+};
--
2.11.0
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next prev parent reply other threads:[~2019-02-14 13:25 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-14 13:24 [PATCH 0/7] Fixing MMC access on Raspberry Pi CM3 Tomaz Solc
2019-02-14 13:24 ` Tomaz Solc [this message]
2019-02-14 13:24 ` [PATCH 2/7] Kconfig: add pin controllers submenu Tomaz Solc
2019-02-14 13:24 ` [PATCH 3/7] pinctrl: bcm2835: move existing code from gpio Tomaz Solc
2019-02-14 13:24 ` [PATCH 4/7] pinctrl: bcm2835: register the pin controller Tomaz Solc
2019-02-14 13:24 ` [PATCH 5/7] mci: move after pinctrl in link order Tomaz Solc
2019-02-14 23:34 ` Andrey Smirnov
2019-02-18 8:42 ` Sascha Hauer
2019-02-18 9:54 ` Tomaž Šolc
2019-02-14 13:24 ` [PATCH 6/7] mci: bcm2835: parse other device tree properties Tomaz Solc
2019-02-14 13:24 ` [PATCH 7/7] ARM: rpi: Add device tree for Compute Module 3 Tomaz Solc
2019-02-14 14:15 ` Roland Hieber
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