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mvebu: backport ClearFog SPI enablement

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Backport Device Tree change first added in kernel 4.19 to enable the SPI
device on ClearFog devices by default. This is tested and working in
snapshot builds with kernel 5.4+, include the change in future 19.07
patch releases.

Signed-off-by: Joel Johnson <mrjoel@lixil.net>
This commit is contained in:
Joel Johnson 2020-03-27 11:31:37 -06:00 committed by Hauke Mehrtens
parent 0232f57e1a
commit d8e0b015e8
1 changed files with 50 additions and 0 deletions
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50
target/linux/mvebu/patches-4.14/529-armada388-clearfog-enable-spi-flash.patch Normal file
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@ -0,0 +1,50 @@
From bb683d7ad9d53442586cfdd0a79a6d6c1fec344e Mon Sep 17 00:00:00 2001
From: Baruch Siach <baruch@tkos.co.il>
Date: Thu, 28 Jun 2018 10:13:35 +0300
Subject: [PATCH] ARM: dts: armada388-clearfog: enable spi flash
The SolidRun Armada 388 SOM has the SPI flash populated by default
unless the customer explicitly asks otherwise. Enable support by
default.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
---
arch/arm/boot/dts/armada-388-clearfog.dts | 2 +-
arch/arm/boot/dts/armada-388-clearfog.dtsi | 2 +-
arch/arm/boot/dts/armada-38x-solidrun-microsom.dtsi | 1 -
3 files changed, 2 insertions(+), 3 deletions(-)
--- a/arch/arm/boot/dts/armada-388-clearfog.dts
+++ b/arch/arm/boot/dts/armada-388-clearfog.dts
@@ -284,7 +284,7 @@
&spi1 {
/*
* Add SPI CS pins for clearfog:
- * CS0: W25Q32 (not populated on uSOM)
+ * CS0: W25Q32
* CS1:
* CS2: mikrobus
*/
--- a/arch/arm/boot/dts/armada-388-clearfog.dtsi
+++ b/arch/arm/boot/dts/armada-388-clearfog.dtsi
@@ -265,7 +265,7 @@
&spi1 {
/*
* Add SPI CS pins for clearfog:
- * CS0: W25Q32 (not populated on uSOM)
+ * CS0: W25Q32
* CS1: PIC microcontroller (Pro models)
* CS2: mikrobus
*/
--- a/arch/arm/boot/dts/armada-38x-solidrun-microsom.dtsi
+++ b/arch/arm/boot/dts/armada-38x-solidrun-microsom.dtsi
@@ -135,7 +135,6 @@
compatible = "w25q32", "jedec,spi-nor";
reg = <0>; /* Chip select 0 */
spi-max-frequency = <3000000>;
- status = "disabled";
};
};