brcm2708: update to latest patches from RPi foundation

[openwrt/staging/chunkeey.git] / target / linux / brcm2708 / patches-4.19 / 950-0734-overlays-Add-w5500-overlay.patch

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 (file)
index 0000000..2641a5b
--- /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";
++      };
++};