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RPI kernel 4.19 support

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Ycarus 2019-04-22 17:10:09 +02:00
parent e79d4c1771
commit e253715ce5
432 changed files with 335303 additions and 0 deletions
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root/target/linux/brcm2708/patches-4.19/0386-overlays-Fix-multiple-instantiation-of-sc16is7xx.patch Normal file
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@ -0,0 +1,66 @@
From 14a7ba8b3ee9b28fe112e8bb6f69fa1d48f5819e Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Fri, 22 Mar 2019 16:44:47 +0000
Subject: [PATCH 386/432] overlays: Fix multiple-instantiation of sc16is7xx*
The registration of the fixed clocks uses the node name as the clock
name, causing a clash if two clock nodes have the same name, regardless
of the path to the node. Fix the issue by overwriting the clock node
names using the value of the "addr" parameter, providing a crude
disambiguation. (A bit of string pasting to form "sc16is752_clk_<addr>"
would have been nice, but that is outside the abilities of the overlay
parameter mechanism.)
Also give the sc16is750-i2c overlay the xtal parameter for symmetry.
See: https://www.raspberrypi.org/forums/viewtopic.php?f=107&t=235650
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
arch/arm/boot/dts/overlays/README | 1 +
arch/arm/boot/dts/overlays/sc16is750-i2c-overlay.dts | 3 ++-
arch/arm/boot/dts/overlays/sc16is752-i2c-overlay.dts | 2 +-
3 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
index 3b7ec47ecf39..74362f95f173 100644
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -1725,6 +1725,7 @@ Info: Overlay for the NXP SC16IS750 UART with I2C Interface
Load: dtoverlay=sc16is750-i2c,<param>=<val>
Params: int_pin GPIO used for IRQ (default 24)
addr Address (default 0x48)
+ xtal On-board crystal frequency (default 14745600)
Name: sc16is752-i2c
diff --git a/arch/arm/boot/dts/overlays/sc16is750-i2c-overlay.dts b/arch/arm/boot/dts/overlays/sc16is750-i2c-overlay.dts
index 339d0d17c01f..8c5d008a3425 100644
--- a/arch/arm/boot/dts/overlays/sc16is750-i2c-overlay.dts
+++ b/arch/arm/boot/dts/overlays/sc16is750-i2c-overlay.dts
@@ -31,7 +31,8 @@
__overrides__ {
int_pin = <&sc16is750>,"interrupts:0";
- addr = <&sc16is750>,"reg:0";
+ addr = <&sc16is750>,"reg:0",<&sc16is750_clk>,"name";
+ xtal = <&sc16is750>,"clock-frequency:0";
};
};
diff --git a/arch/arm/boot/dts/overlays/sc16is752-i2c-overlay.dts b/arch/arm/boot/dts/overlays/sc16is752-i2c-overlay.dts
index e43e81d5a28f..355eaac656c8 100644
--- a/arch/arm/boot/dts/overlays/sc16is752-i2c-overlay.dts
+++ b/arch/arm/boot/dts/overlays/sc16is752-i2c-overlay.dts
@@ -34,7 +34,7 @@
__overrides__ {
int_pin = <&sc16is752>,"interrupts:0";
- addr = <&sc16is752>,"reg:0";
+ addr = <&sc16is752>,"reg:0",<&sc16is752_clk>,"name";
xtal = <&sc16is752>,"clock-frequency:0";
};
};
--
2.19.1