diff options
| -rw-r--r-- | target/linux/gemini/patches-4.14/0034-ARM-dts-Add-ethernet-to-a-bunch-of-platforms.patch | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/target/linux/gemini/patches-4.14/0034-ARM-dts-Add-ethernet-to-a-bunch-of-platforms.patch b/target/linux/gemini/patches-4.14/0034-ARM-dts-Add-ethernet-to-a-bunch-of-platforms.patch new file mode 100644 index 0000000000..4a511a2866 --- /dev/null +++ b/target/linux/gemini/patches-4.14/0034-ARM-dts-Add-ethernet-to-a-bunch-of-platforms.patch @@ -0,0 +1,123 @@ +From 6d5af7093aea4f18e040e73db2ad99aaa0c0f77e Mon Sep 17 00:00:00 2001 +From: Linus Walleij <linus.walleij@linaro.org> +Date: Sun, 19 Nov 2017 11:04:23 +0100 +Subject: [PATCH] ARM: dts: Add ethernet to a bunch of platforms + +These platforms have the PHY defined already so we just +need to add a single device node to each of them to activate +the ethernet device. + +The PHY skew/delay settings for pin control is known from a +few vendor trees and old OpenWRT patch sets. + +This is a modified version of upstream commit +95220046a62c00b5afb1aa7c1971989d427db977, +just dropping the NAS4220B changes. + +Signed-off-by: Linus Walleij <linus.walleij@linaro.org> +--- + arch/arm/boot/dts/gemini-dlink-dns-313.dts | 62 ++++++++++++++++++++++++++++++ + arch/arm/boot/dts/gemini-wbd222.dts | 7 ++++ + 2 files changed, 69 insertions(+) + +diff --git a/arch/arm/boot/dts/gemini-dlink-dns-313.dts b/arch/arm/boot/dts/gemini-dlink-dns-313.dts +index 685719a0b8c0..df46375457b6 100644 +--- a/arch/arm/boot/dts/gemini-dlink-dns-313.dts ++++ b/arch/arm/boot/dts/gemini-dlink-dns-313.dts +@@ -215,6 +215,56 @@ + groups = "gpio1dgrp"; + }; + }; ++ pinctrl-gmii { ++ mux { ++ function = "gmii"; ++ groups = "gmii_gmac0_grp"; ++ }; ++ /* ++ * In the vendor Linux tree, these values are set for the C3 ++ * version of the SL3512 ASIC with the comment "benson suggest" ++ */ ++ conf0 { ++ pins = "R8 GMAC0 RXDV", "U11 GMAC1 RXDV"; ++ skew-delay = <0>; ++ }; ++ conf1 { ++ pins = "T8 GMAC0 RXC"; ++ skew-delay = <10>; ++ }; ++ conf2 { ++ pins = "T11 GMAC1 RXC"; ++ skew-delay = <15>; ++ }; ++ conf3 { ++ pins = "P8 GMAC0 TXEN", "V11 GMAC1 TXEN"; ++ skew-delay = <7>; ++ }; ++ conf4 { ++ pins = "V7 GMAC0 TXC", "P10 GMAC1 TXC"; ++ skew-delay = <10>; ++ }; ++ conf5 { ++ /* The data lines all have default skew */ ++ pins = "U8 GMAC0 RXD0", "V8 GMAC0 RXD1", ++ "P9 GMAC0 RXD2", "R9 GMAC0 RXD3", ++ "R11 GMAC1 RXD0", "P11 GMAC1 RXD1", ++ "V12 GMAC1 RXD2", "U12 GMAC1 RXD3", ++ "R10 GMAC1 TXD0", "T10 GMAC1 TXD1", ++ "U10 GMAC1 TXD2", "V10 GMAC1 TXD3"; ++ skew-delay = <7>; ++ }; ++ conf6 { ++ pins = "U7 GMAC0 TXD0", "T7 GMAC0 TXD1", ++ "R7 GMAC0 TXD2", "P7 GMAC0 TXD3"; ++ skew-delay = <5>; ++ }; ++ /* Set up drive strength on GMAC0 to 16 mA */ ++ conf7 { ++ groups = "gmii_gmac0_grp"; ++ drive-strength = <16>; ++ }; ++ }; + }; + }; + +@@ -235,6 +285,18 @@ + pinctrl-0 = <&gpio1_default_pins>; + }; + ++ ethernet@60000000 { ++ status = "okay"; ++ ++ ethernet-port@0 { ++ phy-mode = "rgmii"; ++ phy-handle = <&phy0>; ++ }; ++ ethernet-port@1 { ++ /* Not used in this platform */ ++ }; ++ }; ++ + ata@63000000 { + status = "okay"; + }; +diff --git a/arch/arm/boot/dts/gemini-wbd222.dts b/arch/arm/boot/dts/gemini-wbd222.dts +index 0678d3beb51d..820978d20166 100644 +--- a/arch/arm/boot/dts/gemini-wbd222.dts ++++ b/arch/arm/boot/dts/gemini-wbd222.dts +@@ -136,6 +136,13 @@ + "gpio0bgrp"; + }; + }; ++ pinctrl-gmii { ++ /* This platform use both the ethernet ports */ ++ mux { ++ function = "gmii"; ++ groups = "gmii_gmac0_grp", "gmii_gmac1_grp"; ++ }; ++ }; + }; + }; + +-- +2.14.3 + |