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de3387654b
This commit adds support for different iterations of ESPRESSObin.
The added variants are:
ESPRESSObin with soldered eMMC,
ESPRESSObin V7, compared to V5 some passive elements changed and ethernet
ports labels positions have been reversed,
ESPRESSObin V7 with soldered eMMC.
Please refer to:
584d7c5 ("mvebu: new subtarget cortex A53")
for instruction how to boot OpenWrt image placed on SD card. It is
advised for owners of V5 and previous with bootloader based on U-Boot
2015.01, to upgrade the latest version available at:
http://espressobin.net/tech-spec.
Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
50 lines
1.4 KiB
Diff
50 lines
1.4 KiB
Diff
From 43ebc7c1b3ed8198b9acf3019eca16e722f7331c Mon Sep 17 00:00:00 2001
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From: Ding Tao <miyatsu@qq.com>
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Date: Fri, 26 Oct 2018 11:50:28 +0000
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Subject: [PATCH] arm64: dts: marvell: armada-37xx: Enable emmc on espressobin
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The ESPRESSObin board has a emmc interface available on U11: declare it
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and let the bootloader enable it if the emmc is present.
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[gregory.clement@bootlin.com: disable the emmc by default]
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Signed-off-by: Ding Tao <miyatsu@qq.com>
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Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
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---
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.../dts/marvell/armada-3720-espressobin.dts | 22 +++++++++++++++++++
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1 file changed, 22 insertions(+)
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--- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
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+++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
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@@ -93,9 +93,31 @@
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cd-gpios = <&gpionb 3 GPIO_ACTIVE_LOW>;
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marvell,pad-type = "sd";
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vqmmc-supply = <&vcc_sd_reg1>;
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+
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&sdio_pins>;
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status = "okay";
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};
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+/* U11 */
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+&sdhci0 {
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+ non-removable;
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+ bus-width = <8>;
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+ mmc-ddr-1_8v;
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+ mmc-hs400-1_8v;
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+ marvell,xenon-emmc;
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+ marvell,xenon-tun-count = <9>;
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+ marvell,pad-type = "fixed-1-8v";
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+
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&mmc_pins>;
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+/*
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+ * This eMMC is not populated on all boards, so disable it by
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+ * default and let the bootloader enable it, if it is present
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+ */
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+ status = "disabled";
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+};
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+
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&spi0 {
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status = "okay";
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