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4224b52c3a
- random-bcm2708 and spi-bcm2708 have been removed. - sound-soc-bcm2708-i2s has been upstreamed as sound-soc-bcm2835-i2s. Let's keep linux 4.1 for a while, since linux 4.4 appears to have some issues with multicast traffic on RPi ethernet: https://gist.github.com/Noltari/5b1cfdecce5ed4bc08fd Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> SVN-Revision: 48266
43 lines
1.3 KiB
Diff
43 lines
1.3 KiB
Diff
From 2b72fe5d7c71e77e5fd0b5c81aa14177843a59a8 Mon Sep 17 00:00:00 2001
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From: Andrew Litt <ajlitt@splunge.net>
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Date: Mon, 11 Jan 2016 07:55:54 +0000
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Subject: [PATCH 126/127] SDIO-overlay: add bus_width parameter
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Allow setting of the SDIO bus width capability of the bcm2835-mmc
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host. This is helpful when only a 1 bit wide bus is connected
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between host and device but both host and device advertise 4 bit
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mode.
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---
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arch/arm/boot/dts/overlays/README | 2 ++
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arch/arm/boot/dts/overlays/sdio-overlay.dts | 2 ++
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2 files changed, 4 insertions(+)
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -634,6 +634,8 @@ Params: overclock_50 Clock (
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poll_once Disable SDIO-device polling every second
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(default on: polling once at boot-time)
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+ bus_width Set the SDIO host bus width (default 4 bits)
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+
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Name: sdtweak
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Info: Tunes the bcm2835-sdhost SD/MMC driver
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--- a/arch/arm/boot/dts/overlays/sdio-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/sdio-overlay.dts
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@@ -11,6 +11,7 @@
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pinctrl-names = "default";
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pinctrl-0 = <&sdio_pins>;
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non-removable;
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+ bus-width = <4>;
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status = "okay";
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};
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};
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@@ -28,5 +29,6 @@
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__overrides__ {
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poll_once = <&sdio_mmc>,"non-removable?";
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+ bus_width = <&sdio_mmc>,"bus-width:0";
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};
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};
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