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bcm4908: backport upstream DT commits
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
This commit is contained in:
parent
5901917b93
commit
d745835ae1
@ -0,0 +1,25 @@
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From b660269cba748dfd07eb5551a88ff34d5ea0b86e Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Fri, 16 Apr 2021 15:37:48 +0200
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Subject: [PATCH] ARM: dts: BCM5301X: Fix NAND nodes names
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This matches nand-controller.yaml requirements.
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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---
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--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
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+++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
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@@ -306,7 +306,7 @@
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interrupt-names = "nand";
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status = "okay";
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- nandcs: nandcs@0 {
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+ nandcs: nand@0 {
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compatible = "brcm,nandcs";
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reg = <0>;
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};
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@ -0,0 +1,27 @@
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From d0ae9c944b9472c5691a482297df7a57d7fd1199 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Thu, 19 Aug 2021 14:11:08 +0200
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Subject: [PATCH] arm64: dts: broadcom: bcm4908: Fix NAND node name
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This matches nand-controller.yaml requirements.
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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---
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arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
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+++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
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@@ -296,7 +296,7 @@
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status = "okay";
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};
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- nand@1800 {
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+ nand-controller@1800 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "brcm,nand-bcm63138", "brcm,brcmnand-v7.1", "brcm,brcmnand";
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@ -0,0 +1,38 @@
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From 6cf9f70255b90b540b9cbde062f18fea29024a75 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Thu, 19 Aug 2021 14:26:06 +0200
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Subject: [PATCH] arm64: dts: broadcom: bcm4908: Move reboot syscon out of bus
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This fixes following error for every bcm4908 DTS file:
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bus@ff800000: reboot: {'type': 'object'} is not allowed for {'compatible': ['syscon-reboot'], 'regmap': [[15]], 'offset': [[52]], 'mask': [[1]]}
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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---
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arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi | 12 ++++++------
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1 file changed, 6 insertions(+), 6 deletions(-)
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--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
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+++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
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@@ -326,12 +326,12 @@
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#reset-cells = <1>;
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};
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};
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+ };
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- reboot {
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- compatible = "syscon-reboot";
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- regmap = <&timer>;
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- offset = <0x34>;
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- mask = <1>;
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- };
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+ reboot {
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+ compatible = "syscon-reboot";
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+ regmap = <&timer>;
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+ offset = <0x34>;
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+ mask = <1>;
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};
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};
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@ -0,0 +1,28 @@
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From 6c38c39ab2141f53786d73e706675e8819a3f2cb Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Thu, 19 Aug 2021 17:37:02 +0200
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Subject: [PATCH] arm64: dts: broadcom: bcm4908: Fix UART clock name
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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According to the binding the correct clock name is "refclk".
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Fixes: 2961f69f151c ("arm64: dts: broadcom: add BCM4908 and Asus GT-AC5300 early DTS files")
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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---
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arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
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+++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
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@@ -292,7 +292,7 @@
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reg = <0x640 0x18>;
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interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&periph_clk>;
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- clock-names = "periph";
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+ clock-names = "refclk";
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status = "okay";
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};
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@ -0,0 +1,27 @@
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From 7b0c9ca7f18e8d2e2cf3c342d91f037d436777bf Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Fri, 5 Nov 2021 11:14:12 +0100
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Subject: [PATCH] dt-bindings: arm: bcm: document Netgear RAXE500 binding
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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One more BCM4908 based device.
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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Acked-by: Rob Herring <robh@kernel.org>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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---
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Documentation/devicetree/bindings/arm/bcm/brcm,bcm4908.yaml | 1 +
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1 file changed, 1 insertion(+)
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--- a/Documentation/devicetree/bindings/arm/bcm/brcm,bcm4908.yaml
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+++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm4908.yaml
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@@ -29,6 +29,7 @@ properties:
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items:
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- enum:
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- asus,gt-ac5300
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+ - netgear,raxe500
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- const: brcm,bcm4908
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- description: BCM49408 based boards
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@ -0,0 +1,81 @@
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From d0e68d354f345873e15876a7b35be1baaf5e3ec9 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Fri, 5 Nov 2021 11:14:13 +0100
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Subject: [PATCH] arm64: dts: broadcom: bcm4908: add DT for Netgear RAXE500
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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It's a home router based on BCM4908 SoC. It has: 1 GiB of RAM, 512 MiB
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NAND flash, 6 Ethernet ports and 3 x BCM43684 (WiFi). One of Ethernet
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ports is "2.5 G Multi-Gig port" that isn't described yet (it isn't known
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how it's wired up).
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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---
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arch/arm64/boot/dts/broadcom/bcm4908/Makefile | 1 +
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.../bcm4908/bcm4908-netgear-raxe500.dts | 50 +++++++++++++++++++
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2 files changed, 51 insertions(+)
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create mode 100644 arch/arm64/boot/dts/broadcom/bcm4908/bcm4908-netgear-raxe500.dts
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--- a/arch/arm64/boot/dts/broadcom/bcm4908/Makefile
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+++ b/arch/arm64/boot/dts/broadcom/bcm4908/Makefile
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@@ -2,3 +2,4 @@
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dtb-$(CONFIG_ARCH_BCM4908) += bcm4906-netgear-r8000p.dtb
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dtb-$(CONFIG_ARCH_BCM4908) += bcm4906-tplink-archer-c2300-v1.dtb
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dtb-$(CONFIG_ARCH_BCM4908) += bcm4908-asus-gt-ac5300.dtb
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+dtb-$(CONFIG_ARCH_BCM4908) += bcm4908-netgear-raxe500.dtb
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--- /dev/null
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+++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908-netgear-raxe500.dts
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@@ -0,0 +1,50 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
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+
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+#include "bcm4908.dtsi"
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+
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+/ {
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+ compatible = "netgear,raxe500", "brcm,bcm4908";
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+ model = "Netgear RAXE500";
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+
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+ memory@0 {
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+ device_type = "memory";
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+ reg = <0x00 0x00 0x00 0x40000000>;
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+ };
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+};
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+
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+&ehci {
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+ status = "okay";
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+};
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+
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+&ohci {
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+ status = "okay";
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+};
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+
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+&xhci {
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+ status = "okay";
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+};
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+
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+&ports {
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+ port@0 {
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+ label = "lan4";
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+ };
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+
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+ port@1 {
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+ label = "lan3";
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+ };
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+
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+ port@2 {
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+ label = "lan2";
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+ };
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+
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+ port@3 {
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+ label = "lan1";
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+ };
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+
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+ port@7 {
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+ reg = <7>;
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+ phy-mode = "internal";
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+ phy-handle = <&phy12>;
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+ label = "wan";
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+ };
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+};
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@ -39,12 +39,12 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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};
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};
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gpio0: gpio-controller@500 {
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gpio0: gpio-controller@500 {
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@@ -329,7 +338,7 @@
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@@ -330,7 +339,7 @@
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reboot {
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reboot {
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compatible = "syscon-reboot";
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compatible = "syscon-reboot";
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- regmap = <&timer>;
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- regmap = <&timer>;
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+ regmap = <&twd>;
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+ regmap = <&twd>;
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offset = <0x34>;
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offset = <0x34>;
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mask = <1>;
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mask = <1>;
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};
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};
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@ -0,0 +1,25 @@
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From b660269cba748dfd07eb5551a88ff34d5ea0b86e Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Fri, 16 Apr 2021 15:37:48 +0200
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Subject: [PATCH] ARM: dts: BCM5301X: Fix NAND nodes names
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This matches nand-controller.yaml requirements.
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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---
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--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
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+++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
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@@ -306,7 +306,7 @@
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interrupt-names = "nand";
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status = "okay";
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- nandcs: nandcs@0 {
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+ nandcs: nand@0 {
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compatible = "brcm,nandcs";
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reg = <0>;
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};
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@ -0,0 +1,27 @@
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From d0ae9c944b9472c5691a482297df7a57d7fd1199 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Thu, 19 Aug 2021 14:11:08 +0200
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Subject: [PATCH] arm64: dts: broadcom: bcm4908: Fix NAND node name
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This matches nand-controller.yaml requirements.
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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---
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arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
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+++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
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@@ -296,7 +296,7 @@
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status = "okay";
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};
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- nand@1800 {
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+ nand-controller@1800 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "brcm,nand-bcm63138", "brcm,brcmnand-v7.1", "brcm,brcmnand";
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@ -0,0 +1,38 @@
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From 6cf9f70255b90b540b9cbde062f18fea29024a75 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Thu, 19 Aug 2021 14:26:06 +0200
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Subject: [PATCH] arm64: dts: broadcom: bcm4908: Move reboot syscon out of bus
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This fixes following error for every bcm4908 DTS file:
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bus@ff800000: reboot: {'type': 'object'} is not allowed for {'compatible': ['syscon-reboot'], 'regmap': [[15]], 'offset': [[52]], 'mask': [[1]]}
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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---
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arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi | 12 ++++++------
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1 file changed, 6 insertions(+), 6 deletions(-)
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--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
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||||||
|
+++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
|
||||||
|
@@ -326,12 +326,12 @@
|
||||||
|
#reset-cells = <1>;
|
||||||
|
};
|
||||||
|
};
|
||||||
|
+ };
|
||||||
|
|
||||||
|
- reboot {
|
||||||
|
- compatible = "syscon-reboot";
|
||||||
|
- regmap = <&timer>;
|
||||||
|
- offset = <0x34>;
|
||||||
|
- mask = <1>;
|
||||||
|
- };
|
||||||
|
+ reboot {
|
||||||
|
+ compatible = "syscon-reboot";
|
||||||
|
+ regmap = <&timer>;
|
||||||
|
+ offset = <0x34>;
|
||||||
|
+ mask = <1>;
|
||||||
|
};
|
||||||
|
};
|
@ -0,0 +1,28 @@
|
|||||||
|
From 6c38c39ab2141f53786d73e706675e8819a3f2cb Mon Sep 17 00:00:00 2001
|
||||||
|
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
|
||||||
|
Date: Thu, 19 Aug 2021 17:37:02 +0200
|
||||||
|
Subject: [PATCH] arm64: dts: broadcom: bcm4908: Fix UART clock name
|
||||||
|
MIME-Version: 1.0
|
||||||
|
Content-Type: text/plain; charset=UTF-8
|
||||||
|
Content-Transfer-Encoding: 8bit
|
||||||
|
|
||||||
|
According to the binding the correct clock name is "refclk".
|
||||||
|
|
||||||
|
Fixes: 2961f69f151c ("arm64: dts: broadcom: add BCM4908 and Asus GT-AC5300 early DTS files")
|
||||||
|
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
|
||||||
|
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
|
||||||
|
---
|
||||||
|
arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi | 2 +-
|
||||||
|
1 file changed, 1 insertion(+), 1 deletion(-)
|
||||||
|
|
||||||
|
--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
|
||||||
|
+++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
|
||||||
|
@@ -292,7 +292,7 @@
|
||||||
|
reg = <0x640 0x18>;
|
||||||
|
interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
|
||||||
|
clocks = <&periph_clk>;
|
||||||
|
- clock-names = "periph";
|
||||||
|
+ clock-names = "refclk";
|
||||||
|
status = "okay";
|
||||||
|
};
|
||||||
|
|
@ -0,0 +1,27 @@
|
|||||||
|
From 7b0c9ca7f18e8d2e2cf3c342d91f037d436777bf Mon Sep 17 00:00:00 2001
|
||||||
|
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
|
||||||
|
Date: Fri, 5 Nov 2021 11:14:12 +0100
|
||||||
|
Subject: [PATCH] dt-bindings: arm: bcm: document Netgear RAXE500 binding
|
||||||
|
MIME-Version: 1.0
|
||||||
|
Content-Type: text/plain; charset=UTF-8
|
||||||
|
Content-Transfer-Encoding: 8bit
|
||||||
|
|
||||||
|
One more BCM4908 based device.
|
||||||
|
|
||||||
|
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
|
||||||
|
Acked-by: Rob Herring <robh@kernel.org>
|
||||||
|
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
|
||||||
|
---
|
||||||
|
Documentation/devicetree/bindings/arm/bcm/brcm,bcm4908.yaml | 1 +
|
||||||
|
1 file changed, 1 insertion(+)
|
||||||
|
|
||||||
|
--- a/Documentation/devicetree/bindings/arm/bcm/brcm,bcm4908.yaml
|
||||||
|
+++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm4908.yaml
|
||||||
|
@@ -29,6 +29,7 @@ properties:
|
||||||
|
items:
|
||||||
|
- enum:
|
||||||
|
- asus,gt-ac5300
|
||||||
|
+ - netgear,raxe500
|
||||||
|
- const: brcm,bcm4908
|
||||||
|
|
||||||
|
- description: BCM49408 based boards
|
@ -0,0 +1,81 @@
|
|||||||
|
From d0e68d354f345873e15876a7b35be1baaf5e3ec9 Mon Sep 17 00:00:00 2001
|
||||||
|
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
|
||||||
|
Date: Fri, 5 Nov 2021 11:14:13 +0100
|
||||||
|
Subject: [PATCH] arm64: dts: broadcom: bcm4908: add DT for Netgear RAXE500
|
||||||
|
MIME-Version: 1.0
|
||||||
|
Content-Type: text/plain; charset=UTF-8
|
||||||
|
Content-Transfer-Encoding: 8bit
|
||||||
|
|
||||||
|
It's a home router based on BCM4908 SoC. It has: 1 GiB of RAM, 512 MiB
|
||||||
|
NAND flash, 6 Ethernet ports and 3 x BCM43684 (WiFi). One of Ethernet
|
||||||
|
ports is "2.5 G Multi-Gig port" that isn't described yet (it isn't known
|
||||||
|
how it's wired up).
|
||||||
|
|
||||||
|
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
|
||||||
|
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
|
||||||
|
---
|
||||||
|
arch/arm64/boot/dts/broadcom/bcm4908/Makefile | 1 +
|
||||||
|
.../bcm4908/bcm4908-netgear-raxe500.dts | 50 +++++++++++++++++++
|
||||||
|
2 files changed, 51 insertions(+)
|
||||||
|
create mode 100644 arch/arm64/boot/dts/broadcom/bcm4908/bcm4908-netgear-raxe500.dts
|
||||||
|
|
||||||
|
--- a/arch/arm64/boot/dts/broadcom/bcm4908/Makefile
|
||||||
|
+++ b/arch/arm64/boot/dts/broadcom/bcm4908/Makefile
|
||||||
|
@@ -2,3 +2,4 @@
|
||||||
|
dtb-$(CONFIG_ARCH_BCM4908) += bcm4906-netgear-r8000p.dtb
|
||||||
|
dtb-$(CONFIG_ARCH_BCM4908) += bcm4906-tplink-archer-c2300-v1.dtb
|
||||||
|
dtb-$(CONFIG_ARCH_BCM4908) += bcm4908-asus-gt-ac5300.dtb
|
||||||
|
+dtb-$(CONFIG_ARCH_BCM4908) += bcm4908-netgear-raxe500.dtb
|
||||||
|
--- /dev/null
|
||||||
|
+++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908-netgear-raxe500.dts
|
||||||
|
@@ -0,0 +1,50 @@
|
||||||
|
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
|
||||||
|
+
|
||||||
|
+#include "bcm4908.dtsi"
|
||||||
|
+
|
||||||
|
+/ {
|
||||||
|
+ compatible = "netgear,raxe500", "brcm,bcm4908";
|
||||||
|
+ model = "Netgear RAXE500";
|
||||||
|
+
|
||||||
|
+ memory@0 {
|
||||||
|
+ device_type = "memory";
|
||||||
|
+ reg = <0x00 0x00 0x00 0x40000000>;
|
||||||
|
+ };
|
||||||
|
+};
|
||||||
|
+
|
||||||
|
+&ehci {
|
||||||
|
+ status = "okay";
|
||||||
|
+};
|
||||||
|
+
|
||||||
|
+&ohci {
|
||||||
|
+ status = "okay";
|
||||||
|
+};
|
||||||
|
+
|
||||||
|
+&xhci {
|
||||||
|
+ status = "okay";
|
||||||
|
+};
|
||||||
|
+
|
||||||
|
+&ports {
|
||||||
|
+ port@0 {
|
||||||
|
+ label = "lan4";
|
||||||
|
+ };
|
||||||
|
+
|
||||||
|
+ port@1 {
|
||||||
|
+ label = "lan3";
|
||||||
|
+ };
|
||||||
|
+
|
||||||
|
+ port@2 {
|
||||||
|
+ label = "lan2";
|
||||||
|
+ };
|
||||||
|
+
|
||||||
|
+ port@3 {
|
||||||
|
+ label = "lan1";
|
||||||
|
+ };
|
||||||
|
+
|
||||||
|
+ port@7 {
|
||||||
|
+ reg = <7>;
|
||||||
|
+ phy-mode = "internal";
|
||||||
|
+ phy-handle = <&phy12>;
|
||||||
|
+ label = "wan";
|
||||||
|
+ };
|
||||||
|
+};
|
@ -39,12 +39,12 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
|
|||||||
};
|
};
|
||||||
|
|
||||||
gpio0: gpio-controller@500 {
|
gpio0: gpio-controller@500 {
|
||||||
@@ -329,7 +338,7 @@
|
@@ -330,7 +339,7 @@
|
||||||
|
|
||||||
reboot {
|
reboot {
|
||||||
compatible = "syscon-reboot";
|
compatible = "syscon-reboot";
|
||||||
- regmap = <&timer>;
|
- regmap = <&timer>;
|
||||||
+ regmap = <&twd>;
|
+ regmap = <&twd>;
|
||||||
offset = <0x34>;
|
offset = <0x34>;
|
||||||
mask = <1>;
|
mask = <1>;
|
||||||
};
|
};
|
||||||
|
Loading…
x
Reference in New Issue
Block a user