diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0734-overlays-Add-w5500-overlay.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-4.19/950-0734-overlays-Add-w5500-overlay.patch | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0734-overlays-Add-w5500-overlay.patch b/target/linux/bcm27xx/patches-4.19/950-0734-overlays-Add-w5500-overlay.patch new file mode 100644 index 0000000000..2641a5b0b1 --- /dev/null +++ b/target/linux/bcm27xx/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 = <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"; ++ }; ++}; |