actual Initial Raspberry Pi 3+ support
This commit is contained in:
Peter Robinson
parent
915b2136f1
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From 383c32f69af61774ff3414f98c9bc29f28dca8fa Mon Sep 17 00:00:00 2001
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From: Peter Robinson <pbrobinson@gmail.com>
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Date: Mon, 19 Mar 2018 09:26:57 +0000
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Subject: [PATCH] rpi: initial support for the 3+
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Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
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---
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arch/arm/boot/dts/Makefile | 1 +
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arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts | 62 ++++++++++++++++++++++
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arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi | 36 +++++++++++++
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arch/arm64/boot/dts/broadcom/Makefile | 4 +-
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.../boot/dts/broadcom/bcm2837-rpi-3-b-plus.dts | 2 +
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5 files changed, 104 insertions(+), 1 deletion(-)
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create mode 100644 arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts
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create mode 100644 arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi
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create mode 100644 arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b-plus.dts
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diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
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index ade7a38543dc..05b49935d84b 100644
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--- a/arch/arm/boot/dts/Makefile
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+++ b/arch/arm/boot/dts/Makefile
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@@ -75,6 +75,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
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bcm2835-rpi-a-plus.dtb \
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bcm2836-rpi-2-b.dtb \
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bcm2837-rpi-3-b.dtb \
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+ bcm2837-rpi-3-b-plus.dtb \
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bcm2835-rpi-zero.dtb \
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bcm2835-rpi-zero-w.dtb
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dtb-$(CONFIG_ARCH_BCM_5301X) += \
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diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts
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new file mode 100644
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index 000000000000..63ff6bc56e36
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--- /dev/null
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+++ b/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts
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@@ -0,0 +1,62 @@
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+// SPDX-License-Identifier: GPL-2.0
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+/dts-v1/;
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+#include "bcm2837.dtsi"
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+#include "bcm2835-rpi.dtsi"
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+#include "bcm283x-rpi-lan7515.dtsi"
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+#include "bcm283x-rpi-usb-host.dtsi"
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+
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+/ {
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+ compatible = "raspberrypi,3-model-b-plus", "brcm,bcm2837";
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+ model = "Raspberry Pi 3 Model B+";
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+
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+ chosen {
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+ /* 8250 auxiliary UART instead of pl011 */
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+ stdout-path = "serial1:115200n8";
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+ };
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+
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+ memory {
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+ reg = <0 0x40000000>;
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+ };
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+
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+ leds {
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+ act {
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+ gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
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+ };
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+ };
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+};
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+
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+/* uart0 communicates with the BT module */
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+&uart0 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&uart0_gpio32 &gpclk2_gpio43>;
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+ status = "okay";
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+
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+ bluetooth {
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+ compatible = "brcm,bcm43438-bt";
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+ max-speed = <2000000>;
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+ };
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+};
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+
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+/* uart1 is mapped to the pin header */
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+&uart1 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&uart1_gpio14>;
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+ status = "okay";
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+};
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+
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+/* SDHCI is used to control the SDIO for wireless */
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+&sdhci {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&emmc_gpio34>;
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+ status = "okay";
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+ bus-width = <4>;
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+ non-removable;
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+};
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+
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+/* SDHOST is used to drive the SD card */
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+&sdhost {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&sdhost_gpio48>;
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+ status = "okay";
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+ bus-width = <4>;
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+};
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diff --git a/arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi b/arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi
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new file mode 100644
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index 000000000000..1b1075d4aa5c
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--- /dev/null
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+++ b/arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi
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@@ -0,0 +1,36 @@
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+/ {
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+ aliases {
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+ ethernet0 = ðernet;
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+ };
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+};
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+
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+&usb {
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+ usb1@1 {
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+ compatible = "usb424,2514";
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+ reg = <1>;
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+
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+ usb1_1@1 {
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+ compatible = "usb424,2514";
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+ reg = <1>;
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+
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+ ethernet: usbether@1 {
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+ compatible = "usb424,7800";
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+ reg = <1>;
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+ microchip,eee-enabled;
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+ microchip,tx-lpi-timer = <600>; /* non-aggressive*/
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+ };
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+ };
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+ };
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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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+ eee = <ðernet>,"microchip,eee-enabled?";
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+ tx_lpi_timer = <ðernet>,"microchip,tx-lpi-timer:0";
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+ };
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+};
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diff --git a/arch/arm64/boot/dts/broadcom/Makefile b/arch/arm64/boot/dts/broadcom/Makefile
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index 2a2591ef1fee..6b5b70542dad 100644
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--- a/arch/arm64/boot/dts/broadcom/Makefile
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+++ b/arch/arm64/boot/dts/broadcom/Makefile
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@@ -1,5 +1,7 @@
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# SPDX-License-Identifier: GPL-2.0
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-dtb-$(CONFIG_ARCH_BCM2835) += bcm2837-rpi-3-b.dtb
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+dtb-$(CONFIG_ARCH_BCM2835) += \
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+ bcm2837-rpi-3-b.dtb \
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+ bcm2837-rpi-3-b-plus.dtb
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subdir-y += northstar2
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subdir-y += stingray
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diff --git a/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b-plus.dts b/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b-plus.dts
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new file mode 100644
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index 000000000000..46ad2023cccf
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--- /dev/null
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+++ b/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b-plus.dts
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@@ -0,0 +1,2 @@
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+// SPDX-License-Identifier: GPL-2.0
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+#include "arm/bcm2837-rpi-3-b-plus.dts"
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--
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2.16.2
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@ -608,6 +608,8 @@ Patch316: mmc-sdhci-iproc-Disable-preset-values-for-BCM2835.patch
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# https://www.spinics.net/lists/arm-kernel/msg633945.html
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Patch317: bcm2835-hwrng-Handle-deferred-clock-properly.patch
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Patch318: bcm2837-rpi-initial-support-for-the-3.patch
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# 400 - IBM (ppc/s390x) patches
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# 500 - Temp fixes/CVEs etc
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