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-rw-r--r--target/linux/brcm2708/patches-4.19/950-0734-overlays-Add-w5500-overlay.patch113
1 files changed, 113 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0734-overlays-Add-w5500-overlay.patch b/target/linux/brcm2708/patches-4.19/950-0734-overlays-Add-w5500-overlay.patch
new file mode 100644
index 0000000000..2641a5b0b1
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0734-overlays-Add-w5500-overlay.patch
@@ -0,0 +1,113 @@
+From cb9a896a799393b3cb5947bef3c95eb5ffb44776 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Thu, 10 Oct 2019 09:08:47 +0100
+Subject: [PATCH] overlays: Add w5500 overlay
+
+Add an overlay to configure the Wiznet W5500 Ethernet controller on
+SPI0. The 'cs' parameter chooses the Chip Select (default 0).
+
+See: https://github.com/raspberrypi/linux/issues/3276
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.org>
+---
+ arch/arm/boot/dts/overlays/Makefile | 1 +
+ arch/arm/boot/dts/overlays/README | 10 ++++
+ arch/arm/boot/dts/overlays/w5500-overlay.dts | 63 ++++++++++++++++++++
+ 3 files changed, 74 insertions(+)
+ create mode 100644 arch/arm/boot/dts/overlays/w5500-overlay.dts
+
+--- a/arch/arm/boot/dts/overlays/Makefile
++++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -183,6 +183,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
+ vga666.dtbo \
+ w1-gpio.dtbo \
+ w1-gpio-pullup.dtbo \
++ w5500.dtbo \
+ wittypi.dtbo
+
+ targets += dtbs dtbs_install
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -2538,6 +2538,16 @@ Params: gpiopin GPIO for
+ pullup Now enabled by default (ignored)
+
+
++Name: w5500
++Info: Overlay for the Wiznet W5500 Ethernet Controller on SPI0
++Load: dtoverlay=w5500,<param>=<val>
++Params: int_pin GPIO used for INT (default 25)
++
++ speed SPI bus speed (default 30000000)
++
++ cs SPI bus Chip Select (default 0)
++
++
+ Name: wittypi
+ Info: Configures the wittypi RTC module.
+ Load: dtoverlay=wittypi,<param>=<val>
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/w5500-overlay.dts
+@@ -0,0 +1,63 @@
++// Overlay for the Wiznet w5500 Ethernet Controller
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2835";
++
++ fragment@0 {
++ target = <&spidev0>;
++ __overlay__ {
++ status = "disabled";
++ };
++ };
++
++ fragment@1 {
++ target = <&spidev1>;
++ __dormant__ {
++ status = "disabled";
++ };
++ };
++
++ fragment@2 {
++ target = <&spi0>;
++ __overlay__ {
++ /* needed to avoid dtc warning */
++ #address-cells = <1>;
++ #size-cells = <0>;
++
++ status = "okay";
++
++ eth1: w5500@0{
++ compatible = "wiznet,w5500";
++ reg = <0>; /* CE0 */
++ pinctrl-names = "default";
++ pinctrl-0 = <&eth1_pins>;
++ interrupt-parent = <&gpio>;
++ interrupts = <25 0x8>;
++ spi-max-frequency = <30000000>;
++// local-mac-address = [aa bb cc dd ee ff];
++ status = "okay";
++ };
++ };
++ };
++
++ fragment@3 {
++ target = <&gpio>;
++ __overlay__ {
++ eth1_pins: eth1_pins {
++ brcm,pins = <25>;
++ brcm,function = <0>; /* in */
++ brcm,pull = <0>; /* none */
++ };
++ };
++ };
++
++ __overrides__ {
++ int_pin = <&eth1>, "interrupts:0",
++ <&eth1_pins>, "brcm,pins:0";
++ speed = <&eth1>, "spi-max-frequency:0";
++ cs = <&eth1>, "reg:0",
++ <0>, "!0=1";
++ };
++};