openwrtv3/target/linux/bcm53xx/patches-4.4/037-0001-ARM-BCM5301X-Add-DT-entry-for-SPI-controller-and-NOR.patch
Rafał Miłecki a180f90518 bcm53xx: backport BCM5301X patches for SRAB
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
2016-06-20 23:07:31 +02:00

58 lines
1.4 KiB
Diff

From 1b47b98acce2db0da632d056821420b33205b8b2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Tue, 19 Apr 2016 08:56:46 +0200
Subject: [PATCH] ARM: BCM5301X: Add DT entry for SPI controller and NOR flash
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Controller is present on every BCM4708* board but only few devices have
serial flash attached so mark it as disabled by default.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
--- a/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts
+++ b/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts
@@ -59,3 +59,7 @@
&uart0 {
status = "okay";
};
+
+&spi_nor {
+ status = "okay";
+};
--- a/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
+++ b/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
@@ -122,3 +122,7 @@
&uart0 {
status = "okay";
};
+
+&spi_nor {
+ status = "okay";
+};
--- a/arch/arm/boot/dts/bcm5301x.dtsi
+++ b/arch/arm/boot/dts/bcm5301x.dtsi
@@ -225,6 +225,20 @@
#address-cells = <1>;
#size-cells = <1>;
};
+
+ spi@29000 {
+ reg = <0x00029000 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ spi_nor: spi-nor@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <20000000>;
+ linux,part-probe = "ofpart", "bcm47xxpart";
+ status = "disabled";
+ };
+ };
};
lcpll0: lcpll0@1800c100 {