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Update RPI3 patches

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Ycarus 2018-05-02 16:32:48 +02:00
parent 5c7ceb849b
commit 973f444a48
22 changed files with 3365 additions and 0 deletions
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45
root/target/linux/brcm2708/patches-4.14/0309-BCM270X_DT-Add-sdio_overclock-parameter.patch Normal file
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@ -0,0 +1,45 @@
From 2d71f6ea0843af1e218113ac8309b3966fcffc27 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Tue, 24 Apr 2018 14:28:33 +0100
Subject: [PATCH 309/321] BCM270X_DT: Add sdio_overclock parameter
The Arasan MMC interface is used on some RPis to drive the SDIO
link to the WiFi controller. The downstream bcm2835-mmc driver,
like the bcm2835-sdhost driver, can be over- (or under-) clocked.
Add a common parameter - sdio_overclock - to all DTBs to control it.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
arch/arm/boot/dts/bcm2708-rpi.dtsi | 1 +
arch/arm/boot/dts/overlays/README | 3 +++
2 files changed, 4 insertions(+)
diff --git a/arch/arm/boot/dts/bcm2708-rpi.dtsi b/arch/arm/boot/dts/bcm2708-rpi.dtsi
index d105d4e208f2..fe2694a1cbdc 100644
--- a/arch/arm/boot/dts/bcm2708-rpi.dtsi
+++ b/arch/arm/boot/dts/bcm2708-rpi.dtsi
@@ -115,6 +115,7 @@
sd_force_pio = <&sdhost>,"brcm,force-pio?";
sd_pio_limit = <&sdhost>,"brcm,pio-limit:0";
sd_debug = <&sdhost>,"brcm,debug";
+ sdio_overclock = <&mmc>,"brcm,overclock-50:0";
axiperf = <&axiperf>,"status";
};
};
diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
index ca6995142322..81e61c0d6bc2 100644
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -139,6 +139,9 @@ Params:
sd_debug Enable debug output from SD driver (default off)
+ sdio_overclock Clock (in MHz) to use when the MMC framework
+ requests 50MHz for the SDIO/WiFi interface.
+
tx_lpi_timer Set the delay in microseconds between going idle
and entering the low power state (default 600).
Requires EEE to be enabled - see "eee".
--
2.16.1