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7d7aa2fd92
This change makes the names of Broadcom targets consistent by using the common notation based on SoC/CPU ID (which is used internally anyway), bcmXXXX instead of brcmXXXX. This is even used for target TITLE in make menuconfig already, only the short target name used brcm so far. Despite, since subtargets range from bcm2708 to bcm2711, it seems appropriate to use bcm27xx instead of bcm2708 (again, as already done for BOARDNAME). This also renames the packages brcm2708-userland and brcm2708-gpu-fw. Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de> Acked-by: Álvaro Fernández Rojas <noltari@gmail.com>
114 lines
2.8 KiB
Diff
114 lines
2.8 KiB
Diff
From cb9a896a799393b3cb5947bef3c95eb5ffb44776 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Thu, 10 Oct 2019 09:08:47 +0100
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Subject: [PATCH] overlays: Add w5500 overlay
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Add an overlay to configure the Wiznet W5500 Ethernet controller on
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SPI0. The 'cs' parameter chooses the Chip Select (default 0).
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See: https://github.com/raspberrypi/linux/issues/3276
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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arch/arm/boot/dts/overlays/Makefile | 1 +
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arch/arm/boot/dts/overlays/README | 10 ++++
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arch/arm/boot/dts/overlays/w5500-overlay.dts | 63 ++++++++++++++++++++
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3 files changed, 74 insertions(+)
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create mode 100644 arch/arm/boot/dts/overlays/w5500-overlay.dts
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--- a/arch/arm/boot/dts/overlays/Makefile
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+++ b/arch/arm/boot/dts/overlays/Makefile
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@@ -183,6 +183,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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vga666.dtbo \
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w1-gpio.dtbo \
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w1-gpio-pullup.dtbo \
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+ w5500.dtbo \
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wittypi.dtbo
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targets += dtbs dtbs_install
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -2538,6 +2538,16 @@ Params: gpiopin GPIO for
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pullup Now enabled by default (ignored)
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+Name: w5500
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+Info: Overlay for the Wiznet W5500 Ethernet Controller on SPI0
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+Load: dtoverlay=w5500,<param>=<val>
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+Params: int_pin GPIO used for INT (default 25)
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+
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+ speed SPI bus speed (default 30000000)
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+
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+ cs SPI bus Chip Select (default 0)
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+
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+
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Name: wittypi
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Info: Configures the wittypi RTC module.
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Load: dtoverlay=wittypi,<param>=<val>
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/w5500-overlay.dts
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@@ -0,0 +1,63 @@
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+// Overlay for the Wiznet w5500 Ethernet Controller
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+/dts-v1/;
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+/plugin/;
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+
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+/ {
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+ compatible = "brcm,bcm2835";
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+
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+ fragment@0 {
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+ target = <&spidev0>;
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+ __overlay__ {
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+ status = "disabled";
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+ };
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+ };
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+
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+ fragment@1 {
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+ target = <&spidev1>;
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+ __dormant__ {
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+ status = "disabled";
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+ };
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+ };
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+
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+ fragment@2 {
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+ target = <&spi0>;
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+ __overlay__ {
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+ /* needed to avoid dtc warning */
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+
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+ status = "okay";
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+
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+ eth1: w5500@0{
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+ compatible = "wiznet,w5500";
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+ reg = <0>; /* CE0 */
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+ pinctrl-names = "default";
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+ pinctrl-0 = <ð1_pins>;
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+ interrupt-parent = <&gpio>;
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+ interrupts = <25 0x8>;
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+ spi-max-frequency = <30000000>;
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+// local-mac-address = [aa bb cc dd ee ff];
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+ status = "okay";
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+ };
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+ };
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+ };
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+
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+ fragment@3 {
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+ target = <&gpio>;
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+ __overlay__ {
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+ eth1_pins: eth1_pins {
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+ brcm,pins = <25>;
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+ brcm,function = <0>; /* in */
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+ brcm,pull = <0>; /* none */
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+ };
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+ };
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+ };
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+
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+ __overrides__ {
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+ int_pin = <ð1>, "interrupts:0",
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+ <ð1_pins>, "brcm,pins:0";
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+ speed = <ð1>, "spi-max-frequency:0";
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+ cs = <ð1>, "reg:0",
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+ <0>, "!0=1";
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+ };
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+};
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