From: Rafał Miłecki Date: Fri, 30 Sep 2016 13:43:08 +0000 (+0200) Subject: bcm53xx: backport BCM5301X patches from 2019-09-30 X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=d5dcb1bf97c421fe59925dba8e9197a4b7d67536;p=openwrt%2Fstaging%2Faparcar.git bcm53xx: backport BCM5301X patches from 2019-09-30 Signed-off-by: Rafał Miłecki --- diff --git a/target/linux/bcm53xx/patches-4.4/044-0003-ARM-BCM5301X-Add-separated-DTS-include-file-for-BCM4.patch b/target/linux/bcm53xx/patches-4.4/044-0003-ARM-BCM5301X-Add-separated-DTS-include-file-for-BCM4.patch new file mode 100644 index 0000000000..43c4574db1 --- /dev/null +++ b/target/linux/bcm53xx/patches-4.4/044-0003-ARM-BCM5301X-Add-separated-DTS-include-file-for-BCM4.patch @@ -0,0 +1,70 @@ +From 345fd105ff676ef672d1e41b31165b47aa040dab Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Wed, 21 Sep 2016 22:58:32 +0200 +Subject: [PATCH] ARM: BCM5301X: Add separated DTS include file for BCM47094 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Use it to store BCM47094 specific properties/values and avoid repeating +them in device DTS files. + +Signed-off-by: Rafał Miłecki +Signed-off-by: Florian Fainelli +--- + arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts | 3 +-- + arch/arm/boot/dts/bcm47094-netgear-r8500.dts | 3 +-- + arch/arm/boot/dts/bcm47094.dtsi | 11 +++++++++++ + 3 files changed, 13 insertions(+), 4 deletions(-) + create mode 100644 arch/arm/boot/dts/bcm47094.dtsi + +--- a/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts ++++ b/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts +@@ -9,7 +9,7 @@ + + /dts-v1/; + +-#include "bcm4708.dtsi" ++#include "bcm47094.dtsi" + #include "bcm5301x-nand-cs0-bch1.dtsi" + + / { +@@ -107,7 +107,6 @@ + + &uart0 { + status = "okay"; +- clock-frequency = <125000000>; + }; + + &usb3 { +--- a/arch/arm/boot/dts/bcm47094-netgear-r8500.dts ++++ b/arch/arm/boot/dts/bcm47094-netgear-r8500.dts +@@ -6,7 +6,7 @@ + + /dts-v1/; + +-#include "bcm4708.dtsi" ++#include "bcm47094.dtsi" + #include "bcm5301x-nand-cs0-bch8.dtsi" + + / { +@@ -100,5 +100,4 @@ + + &uart0 { + status = "okay"; +- clock-frequency = <125000000>; + }; +--- /dev/null ++++ b/arch/arm/boot/dts/bcm47094.dtsi +@@ -0,0 +1,11 @@ ++/* ++ * Copyright (C) 2016 Rafał Miłecki ++ * ++ * Licensed under the ISC license. ++ */ ++ ++#include "bcm4708.dtsi" ++ ++&uart0 { ++ clock-frequency = <125000000>; ++}; diff --git a/target/linux/bcm53xx/patches-4.4/044-0004-ARM-BCM5301X-Enable-UART-on-Netgear-R8000.patch b/target/linux/bcm53xx/patches-4.4/044-0004-ARM-BCM5301X-Enable-UART-on-Netgear-R8000.patch new file mode 100644 index 0000000000..65dc796e0d --- /dev/null +++ b/target/linux/bcm53xx/patches-4.4/044-0004-ARM-BCM5301X-Enable-UART-on-Netgear-R8000.patch @@ -0,0 +1,92 @@ +From 3ede027b3dce2fca07350b7587c7c8f44706c94c Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Wed, 21 Sep 2016 22:58:33 +0200 +Subject: [PATCH] ARM: BCM5301X: Enable UART on Netgear R8000 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +It was tested by LEDE users, all we need is to adjust clock frequency. +While we're at it create a separated DTS include file to share code with +other BCM4709 devices easier. + +Signed-off-by: Rafał Miłecki +Signed-off-by: Florian Fainelli +--- + arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts | 2 +- + arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts | 2 +- + arch/arm/boot/dts/bcm4709-netgear-r7000.dts | 2 +- + arch/arm/boot/dts/bcm4709-netgear-r8000.dts | 6 +++++- + arch/arm/boot/dts/bcm4709.dtsi | 11 +++++++++++ + 5 files changed, 19 insertions(+), 4 deletions(-) + create mode 100644 arch/arm/boot/dts/bcm4709.dtsi + +--- a/arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts ++++ b/arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts +@@ -9,7 +9,7 @@ + + /dts-v1/; + +-#include "bcm4708.dtsi" ++#include "bcm4709.dtsi" + #include "bcm5301x-nand-cs0-bch8.dtsi" + + / { +--- a/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts ++++ b/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts +@@ -9,7 +9,7 @@ + + /dts-v1/; + +-#include "bcm4708.dtsi" ++#include "bcm4709.dtsi" + #include "bcm5301x-nand-cs0-bch8.dtsi" + + / { +--- a/arch/arm/boot/dts/bcm4709-netgear-r7000.dts ++++ b/arch/arm/boot/dts/bcm4709-netgear-r7000.dts +@@ -9,7 +9,7 @@ + + /dts-v1/; + +-#include "bcm4708.dtsi" ++#include "bcm4709.dtsi" + #include "bcm5301x-nand-cs0-bch8.dtsi" + + / { +--- a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts ++++ b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts +@@ -9,7 +9,7 @@ + + /dts-v1/; + +-#include "bcm4708.dtsi" ++#include "bcm4709.dtsi" + #include "bcm5301x-nand-cs0-bch8.dtsi" + + / { +@@ -107,6 +107,10 @@ + }; + }; + ++&uart0 { ++ status = "okay"; ++}; ++ + &usb2 { + vcc-gpio = <&chipcommon 0 GPIO_ACTIVE_HIGH>; + }; +--- /dev/null ++++ b/arch/arm/boot/dts/bcm4709.dtsi +@@ -0,0 +1,11 @@ ++/* ++ * Copyright (C) 2016 Rafał Miłecki ++ * ++ * Licensed under the ISC license. ++ */ ++ ++#include "bcm4708.dtsi" ++ ++&uart0 { ++ clock-frequency = <125000000>; ++}; diff --git a/target/linux/bcm53xx/patches-4.4/044-0005-ARM-BCM5301X-Specify-USB-3.0-PHY-in-DT.patch b/target/linux/bcm53xx/patches-4.4/044-0005-ARM-BCM5301X-Specify-USB-3.0-PHY-in-DT.patch new file mode 100644 index 0000000000..73bc90e6a1 --- /dev/null +++ b/target/linux/bcm53xx/patches-4.4/044-0005-ARM-BCM5301X-Specify-USB-3.0-PHY-in-DT.patch @@ -0,0 +1,51 @@ +From 5b92db97f4ae345bd6f045c9427471680a7fe2e7 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Wed, 21 Sep 2016 22:58:34 +0200 +Subject: [PATCH] ARM: BCM5301X: Specify USB 3.0 PHY in DT +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Driver for Northstar USB 3.0 PHY has been recently added under the name +phy-bcm-ns-usb3. Add binding for it into the DT files. +The only slightly tricky part is BCM47094 which uses different PHY +version and requires different compatible value. + +Signed-off-by: Rafał Miłecki +Signed-off-by: Florian Fainelli +--- + arch/arm/boot/dts/bcm47094.dtsi | 6 ++++++ + arch/arm/boot/dts/bcm5301x.dtsi | 7 +++++++ + 2 files changed, 13 insertions(+) + +--- a/arch/arm/boot/dts/bcm47094.dtsi ++++ b/arch/arm/boot/dts/bcm47094.dtsi +@@ -6,6 +6,12 @@ + + #include "bcm4708.dtsi" + ++/ { ++ usb3_phy: usb3-phy { ++ compatible = "brcm,ns-bx-usb3-phy"; ++ }; ++}; ++ + &uart0 { + clock-frequency = <125000000>; + }; +--- a/arch/arm/boot/dts/bcm5301x.dtsi ++++ b/arch/arm/boot/dts/bcm5301x.dtsi +@@ -149,6 +149,13 @@ + clock-names = "phy-ref-clk"; + }; + ++ usb3_phy: usb3-phy { ++ compatible = "brcm,ns-ax-usb3-phy"; ++ reg = <0x18105000 0x1000>, <0x18003000 0x1000>; ++ reg-names = "dmp", "ccb-mii"; ++ #phy-cells = <0>; ++ }; ++ + axi@18000000 { + compatible = "brcm,bus-axi"; + reg = <0x18000000 0x1000>; diff --git a/target/linux/bcm53xx/patches-4.4/044-0006-ARM-BCM5301X-Add-DT-for-Luxul-XAP-1510.patch b/target/linux/bcm53xx/patches-4.4/044-0006-ARM-BCM5301X-Add-DT-for-Luxul-XAP-1510.patch new file mode 100644 index 0000000000..3052bd0f46 --- /dev/null +++ b/target/linux/bcm53xx/patches-4.4/044-0006-ARM-BCM5301X-Add-DT-for-Luxul-XAP-1510.patch @@ -0,0 +1,93 @@ +From 46daccf62d1651bf8b09978478ca6465a7a81f47 Mon Sep 17 00:00:00 2001 +From: Dan Haab +Date: Tue, 27 Sep 2016 11:27:10 -0600 +Subject: [PATCH] ARM: BCM5301X: Add DT for Luxul XAP-1510 + +Luxul XAP-1510 is an AP device based on BCM4708 SoC with 2 x BCM4360 +chipsets on PCB connected using PCIe. + +Signed-off-by: Dan Haab +Signed-off-by: Florian Fainelli +--- + arch/arm/boot/dts/Makefile | 1 + + arch/arm/boot/dts/bcm4708-luxul-xap-1510.dts | 64 ++++++++++++++++++++++++++++ + 2 files changed, 65 insertions(+) + create mode 100644 arch/arm/boot/dts/bcm4708-luxul-xap-1510.dts + +--- a/arch/arm/boot/dts/Makefile ++++ b/arch/arm/boot/dts/Makefile +@@ -65,6 +65,7 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \ + bcm4708-asus-rt-ac56u.dtb \ + bcm4708-asus-rt-ac68u.dtb \ + bcm4708-buffalo-wzr-1750dhp.dtb \ ++ bcm4708-luxul-xap-1510.dtb \ + bcm4708-luxul-xwc-1000.dtb \ + bcm4708-netgear-r6250.dtb \ + bcm4708-netgear-r6300-v2.dtb \ +--- /dev/null ++++ b/arch/arm/boot/dts/bcm4708-luxul-xap-1510.dts +@@ -0,0 +1,64 @@ ++/* ++ * Copyright 2016 Luxul Inc. ++ * ++ * Licensed under the ISC license. ++ */ ++ ++/dts-v1/; ++ ++#include "bcm4708.dtsi" ++ ++/ { ++ compatible = "luxul,xap-1510v1", "brcm,bcm4708"; ++ model = "Luxul XAP-1510 V1"; ++ ++ chosen { ++ bootargs = "console=ttyS0,115200 earlycon"; ++ }; ++ ++ memory { ++ reg = <0x00000000 0x08000000>; ++ }; ++ ++ leds { ++ compatible = "gpio-leds"; ++ ++ 5ghz { ++ label = "bcm53xx:blue:5ghz"; ++ gpios = <&chipcommon 13 GPIO_ACTIVE_LOW>; ++ linux,default-trigger = "none"; ++ }; ++ ++ 2ghz { ++ label = "bcm53xx:blue:2ghz"; ++ gpios = <&chipcommon 14 GPIO_ACTIVE_LOW>; ++ linux,default-trigger = "none"; ++ }; ++ ++ status { ++ label = "bcm53xx:green:status"; ++ gpios = <&chipcommon 15 GPIO_ACTIVE_LOW>; ++ linux,default-trigger = "timer"; ++ }; ++ }; ++ ++ gpio-keys { ++ compatible = "gpio-keys"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ restart { ++ label = "Reset"; ++ linux,code = ; ++ gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>; ++ }; ++ }; ++}; ++ ++&uart0 { ++ status = "okay"; ++}; ++ ++&spi_nor { ++ status = "okay"; ++}; diff --git a/target/linux/bcm53xx/patches-4.4/044-0007-ARM-BCM5301X-Add-DT-for-Luxul-XWR-3100.patch b/target/linux/bcm53xx/patches-4.4/044-0007-ARM-BCM5301X-Add-DT-for-Luxul-XWR-3100.patch new file mode 100644 index 0000000000..3067af84df --- /dev/null +++ b/target/linux/bcm53xx/patches-4.4/044-0007-ARM-BCM5301X-Add-DT-for-Luxul-XWR-3100.patch @@ -0,0 +1,159 @@ +From ef3bc318adeb15b38688df6a583bafea2befce43 Mon Sep 17 00:00:00 2001 +From: Dan Haab +Date: Tue, 27 Sep 2016 11:27:11 -0600 +Subject: [PATCH] ARM: BCM5301X: Add DT for Luxul XWR-3100 + +Luxul XWR-3100 is a wireless router based on BCM47094 SoC with two +4366c0 FullMAC PCIe cards on the PCB. It uses NAND with BCH-4 ECC +algorithm. + +Signed-off-by: Dan Haab +Signed-off-by: Florian Fainelli +--- + arch/arm/boot/dts/Makefile | 1 + + arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts | 111 ++++++++++++++++++++++++++ + arch/arm/boot/dts/bcm5301x-nand-cs0-bch4.dtsi | 13 +++ + 3 files changed, 125 insertions(+) + create mode 100644 arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts + create mode 100644 arch/arm/boot/dts/bcm5301x-nand-cs0-bch4.dtsi + +--- a/arch/arm/boot/dts/Makefile ++++ b/arch/arm/boot/dts/Makefile +@@ -78,6 +78,7 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \ + bcm4709-netgear-r7000.dtb \ + bcm4709-netgear-r8000.dtb \ + bcm47094-dlink-dir-885l.dtb \ ++ bcm47094-luxul-xwr-3100.dtb \ + bcm47094-netgear-r8500.dtb \ + bcm94708.dtb \ + bcm94709.dtb \ +--- /dev/null ++++ b/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts +@@ -0,0 +1,111 @@ ++/* ++ * Copyright 2016 Luxul Inc. ++ * ++ * Licensed under the ISC license. ++ */ ++ ++/dts-v1/; ++ ++#include "bcm47094.dtsi" ++#include "bcm5301x-nand-cs0-bch4.dtsi" ++ ++/ { ++ compatible = "luxul,xwr-3100v1", "brcm,bcm47094", "brcm,bcm4708"; ++ model = "Luxul XWR-3100 V1"; ++ ++ chosen { ++ bootargs = "console=ttyS0,115200 earlycon"; ++ }; ++ ++ memory { ++ reg = <0x00000000 0x08000000>; ++ }; ++ ++ leds { ++ compatible = "gpio-leds"; ++ ++ power { ++ label = "bcm53xx:green:power"; ++ gpios = <&chipcommon 0 GPIO_ACTIVE_LOW>; ++ linux,default-trigger = "default-on"; ++ }; ++ ++ lan3 { ++ label = "bcm53xx:green:lan1"; ++ gpios = <&chipcommon 1 GPIO_ACTIVE_LOW>; ++ linux,default-trigger = "default-off"; ++ }; ++ ++ lan4 { ++ label = "bcm53xx:green:lan0"; ++ gpios = <&chipcommon 2 GPIO_ACTIVE_LOW>; ++ linux,default-trigger = "default-off"; ++ }; ++ ++ wan { ++ label = "bcm53xx:green:wan"; ++ gpios = <&chipcommon 3 GPIO_ACTIVE_LOW>; ++ linux,default-trigger = "default-off"; ++ }; ++ ++ lan1 { ++ label = "bcm53xx:green:lan3"; ++ gpios = <&chipcommon 4 GPIO_ACTIVE_LOW>; ++ linux,default-trigger = "default-off"; ++ }; ++ ++ lan2 { ++ label = "bcm53xx:green:lan2"; ++ gpios = <&chipcommon 6 GPIO_ACTIVE_LOW>; ++ linux,default-trigger = "default-off"; ++ }; ++ ++ usb3 { ++ label = "bcm53xx:green:usb3"; ++ gpios = <&chipcommon 8 GPIO_ACTIVE_LOW>; ++ linux,default-trigger = "default-off"; ++ }; ++ ++ status { ++ label = "bcm53xx:green:status"; ++ gpios = <&chipcommon 10 GPIO_ACTIVE_LOW>; ++ linux,default-trigger = "timer"; ++ }; ++ ++ 2ghz { ++ label = "bcm53xx:green:2ghz"; ++ gpios = <&chipcommon 13 GPIO_ACTIVE_LOW>; ++ linux,default-trigger = "default-off"; ++ }; ++ ++ 5ghz { ++ label = "bcm53xx:green:5ghz"; ++ gpios = <&chipcommon 14 GPIO_ACTIVE_LOW>; ++ linux,default-trigger = "default-off"; ++ }; ++ }; ++ ++ gpio-keys { ++ compatible = "gpio-keys"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ restart { ++ label = "Reset"; ++ linux,code = ; ++ gpios = <&chipcommon 17 GPIO_ACTIVE_LOW>; ++ }; ++ }; ++}; ++ ++&uart0 { ++ status = "okay"; ++}; ++ ++&usb3 { ++ vcc-gpio = <&chipcommon 18 GPIO_ACTIVE_HIGH>; ++}; ++ ++&spi_nor { ++ status = "okay"; ++}; +--- /dev/null ++++ b/arch/arm/boot/dts/bcm5301x-nand-cs0-bch4.dtsi +@@ -0,0 +1,13 @@ ++/* ++ * Copyright 2016 Luxul Inc. ++ * ++ * Licensed under the ISC license. ++ */ ++ ++#include "bcm5301x-nand-cs0.dtsi" ++ ++&nandcs { ++ nand-ecc-algo = "bch"; ++ nand-ecc-strength = <4>; ++ nand-ecc-step-size = <512>; ++}; diff --git a/target/linux/bcm53xx/patches-4.4/301-ARM-BCM5301X-Add-DT-for-Netgear-R7900.patch b/target/linux/bcm53xx/patches-4.4/301-ARM-BCM5301X-Add-DT-for-Netgear-R7900.patch index eec68abc53..9dcc51da06 100644 --- a/target/linux/bcm53xx/patches-4.4/301-ARM-BCM5301X-Add-DT-for-Netgear-R7900.patch +++ b/target/linux/bcm53xx/patches-4.4/301-ARM-BCM5301X-Add-DT-for-Netgear-R7900.patch @@ -9,14 +9,14 @@ Signed-off-by: Rafał Miłecki --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile -@@ -75,6 +75,7 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \ +@@ -76,6 +76,7 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \ bcm4709-asus-rt-ac87u.dtb \ bcm4709-buffalo-wxr-1900dhp.dtb \ bcm4709-netgear-r7000.dtb \ + bcm4709-netgear-r7900.dtb \ bcm4709-netgear-r8000.dtb \ bcm47094-dlink-dir-885l.dtb \ - bcm47094-netgear-r8500.dtb \ + bcm47094-luxul-xwr-3100.dtb \ --- /dev/null +++ b/arch/arm/boot/dts/bcm4709-netgear-r7900.dts @@ -0,0 +1,41 @@ @@ -31,7 +31,7 @@ Signed-off-by: Rafał Miłecki + +/dts-v1/; + -+#include "bcm4708.dtsi" ++#include "bcm4709.dtsi" +#include "bcm5301x-nand-cs0-bch8.dtsi" + +/ { diff --git a/target/linux/bcm53xx/patches-4.4/305-ARM-BCM5301X-Add-DT-for-Linksys-EA6300-V1.patch b/target/linux/bcm53xx/patches-4.4/305-ARM-BCM5301X-Add-DT-for-Linksys-EA6300-V1.patch index ff02cd7566..00840cdf2b 100644 --- a/target/linux/bcm53xx/patches-4.4/305-ARM-BCM5301X-Add-DT-for-Linksys-EA6300-V1.patch +++ b/target/linux/bcm53xx/patches-4.4/305-ARM-BCM5301X-Add-DT-for-Linksys-EA6300-V1.patch @@ -13,9 +13,9 @@ Signed-off-by: Rafał Miłecki bcm4708-asus-rt-ac68u.dtb \ bcm4708-buffalo-wzr-1750dhp.dtb \ + bcm4708-linksys-ea6300-v1.dtb \ + bcm4708-luxul-xap-1510.dtb \ bcm4708-luxul-xwc-1000.dtb \ bcm4708-netgear-r6250.dtb \ - bcm4708-netgear-r6300-v2.dtb \ --- /dev/null +++ b/arch/arm/boot/dts/bcm4708-linksys-ea6300-v1.dts @@ -0,0 +1,48 @@ diff --git a/target/linux/bcm53xx/patches-4.4/351-ARM-BCM5301X-Enable-ChipCommon-UART-on-untested-devi.patch b/target/linux/bcm53xx/patches-4.4/351-ARM-BCM5301X-Enable-ChipCommon-UART-on-untested-devi.patch index 19b24849cc..3b4fab74a9 100644 --- a/target/linux/bcm53xx/patches-4.4/351-ARM-BCM5301X-Enable-ChipCommon-UART-on-untested-devi.patch +++ b/target/linux/bcm53xx/patches-4.4/351-ARM-BCM5301X-Enable-ChipCommon-UART-on-untested-devi.patch @@ -70,47 +70,23 @@ Signed-off-by: Rafał Miłecki +}; --- a/arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts +++ b/arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts -@@ -65,3 +65,8 @@ +@@ -65,3 +65,7 @@ }; }; }; + +&uart0 { + status = "okay"; -+ clock-frequency = <125000000>; +}; --- a/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts +++ b/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts -@@ -128,6 +128,10 @@ +@@ -128,6 +128,9 @@ }; }; +&uart0 { + status = "okay"; -+ clock-frequency = <125000000>; +}; &usb2 { vcc-gpio = <&chipcommon 13 GPIO_ACTIVE_HIGH>; ---- a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts -+++ b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts -@@ -108,6 +108,11 @@ - }; - }; - -+&uart0 { -+ status = "okay"; -+ clock-frequency = <125000000>; -+}; -+ - &usb2 { - vcc-gpio = <&chipcommon 0 GPIO_ACTIVE_HIGH>; - }; ---- a/arch/arm/boot/dts/bcm4709-netgear-r7000.dts -+++ b/arch/arm/boot/dts/bcm4709-netgear-r7000.dts -@@ -104,4 +104,5 @@ - - &uart0 { - status = "okay"; -+ clock-frequency = <125000000>; - };