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Message-Id: <20180714094556.30791-4-linus.walleij@linaro.org>
Date: Sat, 14 Jul 2018 11:45:56 +0200
From: Linus Walleij <linus.walleij@...aro.org>
To: Andrew Lunn <andrew@...n.ch>,
Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
Florian Fainelli <f.fainelli@...il.com>
Cc: netdev@...r.kernel.org, openwrt-devel@...ts.openwrt.org,
LEDE Development List <lede-dev@...ts.infradead.org>,
Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH 4/4 v1] ARM: dts: Add ethernet and switch to D-Link DIR-685
This adds the Ethernet and Realtek switch device to the
D-Link DIR-685 Gemini-based device.
Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
---
ChangeLog RFCv2->v1
- Use a fixed link on the ethernet port towards the
router chip.
ChangeLog RFCv1->RFCv2
- Rebased, use the new DT bindings
---
arch/arm/boot/dts/gemini-dlink-dir-685.dts | 140 ++++++++++++++++++++-
1 file changed, 139 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/gemini-dlink-dir-685.dts b/arch/arm/boot/dts/gemini-dlink-dir-685.dts
index fb5c954ab95a..6f258b50eb44 100644
--- a/arch/arm/boot/dts/gemini-dlink-dir-685.dts
+++ b/arch/arm/boot/dts/gemini-dlink-dir-685.dts
@@ -156,6 +156,100 @@
};
};
+ /* This is a RealTek RTL8366RB switch and PHY using SMI over GPIO */
+ switch {
+ compatible = "realtek,rtl8366rb";
+ /* 22 = MDIO (has input reads), 21 = MDC (clock, output only) */
+ mdc-gpios = <&gpio0 21 GPIO_ACTIVE_HIGH>;
+ mdio-gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
+ realtek,disable-leds;
+
+ switch_intc: interrupt-controller {
+ /* GPIO 15 provides the interrupt */
+ interrupt-parent = <&gpio0>;
+ interrupts = <15 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-controller;
+ #address-cells = <0>;
+ #interrupt-cells = <1>;
+ };
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ label = "lan0";
+ phy-handle = <&phy0>;
+ };
+ port@1 {
+ reg = <1>;
+ label = "lan1";
+ phy-handle = <&phy1>;
+ };
+ port@2 {
+ reg = <2>;
+ label = "lan2";
+ phy-handle = <&phy2>;
+ };
+ port@3 {
+ reg = <3>;
+ label = "lan3";
+ phy-handle = <&phy3>;
+ };
+ port@4 {
+ reg = <4>;
+ label = "wan";
+ phy-handle = <&phy4>;
+ };
+ rtl8366rb_cpu_port: port@5 {
+ reg = <5>;
+ label = "cpu";
+ ethernet = <&gmac0>;
+ phy-mode = "rgmii";
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ pause;
+ };
+ };
+
+ };
+
+ mdio {
+ compatible = "realtek,smi-mdio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phy0: phy@0 {
+ reg = <0>;
+ interrupt-parent = <&switch_intc>;
+ interrupts = <0>;
+ };
+ phy1: phy@1 {
+ reg = <1>;
+ interrupt-parent = <&switch_intc>;
+ interrupts = <1>;
+ };
+ phy2: phy@2 {
+ reg = <2>;
+ interrupt-parent = <&switch_intc>;
+ interrupts = <2>;
+ };
+ phy3: phy@3 {
+ reg = <3>;
+ interrupt-parent = <&switch_intc>;
+ interrupts = <3>;
+ };
+ phy4: phy@4 {
+ reg = <4>;
+ interrupt-parent = <&switch_intc>;
+ interrupts = <12>;
+ };
+ };
+ };
+
soc {
flash@...00000 {
/*
@@ -223,10 +317,12 @@
* gpio0bgrp cover line 7 used by WPS LED
* gpio0cgrp cover line 8, 13 used by keys
* and 11, 12 used by the HD LEDs
+ * and line 14, 15 used by RTL8366
+ * RESET and phy ready
* gpio0egrp cover line 16 used by VDISP
* gpio0fgrp cover line 17 used by TK IRQ
* gpio0ggrp cover line 20 used by panel CS
- * gpio0hgrp cover line 21,22 used by RTL8366RB
+ * gpio0hgrp cover line 21,22 used by RTL8366RB MDIO
*/
gpio0_default_pins: pinctrl-gpio0 {
mux {
@@ -250,6 +346,32 @@
groups = "gpio1bgrp";
};
};
+ pinctrl-gmii {
+ mux {
+ function = "gmii";
+ groups = "gmii_gmac0_grp";
+ };
+ conf0 {
+ pins = "V8 GMAC0 RXDV", "T10 GMAC1 RXDV",
+ "Y7 GMAC0 RXC", "Y11 GMAC1 RXC",
+ "T8 GMAC0 TXEN", "W11 GMAC1 TXEN",
+ "U8 GMAC0 TXC", "V11 GMAC1 TXC",
+ "W8 GMAC0 RXD0", "V9 GMAC0 RXD1",
+ "Y8 GMAC0 RXD2", "U9 GMAC0 RXD3",
+ "T7 GMAC0 TXD0", "U6 GMAC0 TXD1",
+ "V7 GMAC0 TXD2", "U7 GMAC0 TXD3",
+ "Y12 GMAC1 RXD0", "V12 GMAC1 RXD1",
+ "T11 GMAC1 RXD2", "W12 GMAC1 RXD3",
+ "U10 GMAC1 TXD0", "Y10 GMAC1 TXD1",
+ "W10 GMAC1 TXD2", "T9 GMAC1 TXD3";
+ skew-delay = <7>;
+ };
+ /* Set up drive strength on GMAC0 to 16 mA */
+ conf1 {
+ groups = "gmii_gmac0_grp";
+ drive-strength = <16>;
+ };
+ };
};
};
@@ -291,6 +413,22 @@
<0x6000 0 0 4 &pci_intc 2>;
};
+ ethernet@...00000 {
+ status = "okay";
+
+ ethernet-port@0 {
+ phy-mode = "rgmii";
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ pause;
+ };
+ };
+ ethernet-port@1 {
+ /* Not used in this platform */
+ };
+ };
+
ata@...00000 {
status = "okay";
};
--
2.17.1
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