-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 = <ð1_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 = <ð1>, "interrupts:0",
-+ <ð1_pins>, "brcm,pins:0";
-+ speed = <ð1>, "spi-max-frequency:0";
-+ cs = <ð1>, "reg:0",
-+ <0>, "!0=1";
-+ };
-+};