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Message-ID: <1502814530-40604-1-git-send-email-harvey.hunt@imgtec.com>
Date: Tue, 15 Aug 2017 17:28:50 +0100
From: Harvey Hunt <harvey.hunt@...tec.com>
To: <robh+dt@...nel.org>, <mark.rutland@....com>,
<matthias.bgg@...il.com>, <ralf@...ux-mips.org>
CC: Harvey Hunt <harvey.hunt@...tec.com>,
John Crispin <john@...ozen.org>, <linux-mips@...ux-mips.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-mediatek@...ts.infradead.org>
Subject: [PATCH] MIPS: dts: ralink: Add Mediatek MT7628A SoC
The MT7628A is the successor to the MT7620 and pin compatible with the
MT7688A, although the latter supports only a 1T1R antenna rather than
a 2T2R antenna.
This commit adds support for the following features:
- UART
- USB PHY
- EHCI
- Interrupt controller
- System controller
- Memory controller
- Reset controller
Signed-off-by: Harvey Hunt <harvey.hunt@...tec.com>
Cc: John Crispin <john@...ozen.org>
Cc: linux-mips@...ux-mips.org
Cc: devicetree@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Cc: linux-mediatek@...ts.infradead.org
---
Documentation/devicetree/bindings/mips/ralink.txt | 1 +
arch/mips/boot/dts/ralink/mt7628a.dtsi | 125 ++++++++++++++++++++++
2 files changed, 126 insertions(+)
create mode 100644 arch/mips/boot/dts/ralink/mt7628a.dtsi
diff --git a/Documentation/devicetree/bindings/mips/ralink.txt b/Documentation/devicetree/bindings/mips/ralink.txt
index b35a8d0..a16e8d7 100644
--- a/Documentation/devicetree/bindings/mips/ralink.txt
+++ b/Documentation/devicetree/bindings/mips/ralink.txt
@@ -15,3 +15,4 @@ value must be one of the following values:
ralink,rt5350-soc
ralink,mt7620a-soc
ralink,mt7620n-soc
+ ralink,mt7628a-soc
diff --git a/arch/mips/boot/dts/ralink/mt7628a.dtsi b/arch/mips/boot/dts/ralink/mt7628a.dtsi
new file mode 100644
index 0000000..8461fe9
--- /dev/null
+++ b/arch/mips/boot/dts/ralink/mt7628a.dtsi
@@ -0,0 +1,125 @@
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "ralink,mt7628a-soc";
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ compatible = "mti,mips24KEc";
+ device_type = "cpu";
+ reg = <0>;
+ };
+ };
+
+ resetctrl: resetctrl {
+ compatible = "ralink,rt2880-reset";
+ #reset-cells = <1>;
+ };
+
+ cpuintc: cpuintc {
+ #address-cells = <0>;
+ #interrupt-cells = <1>;
+ interrupt-controller;
+ compatible = "mti,cpu-interrupt-controller";
+ };
+
+ palmbus@...00000 {
+ compatible = "palmbus";
+ reg = <0x10000000 0x200000>;
+ ranges = <0x0 0x10000000 0x1FFFFF>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ sysc@0 {
+ compatible = "ralink,mt7620a-sysc";
+ reg = <0x0 0x100>;
+ };
+
+ intc: intc@200 {
+ compatible = "ralink,rt2880-intc";
+ reg = <0x200 0x100>;
+
+ interrupt-controller;
+ #interrupt-cells = <1>;
+
+ resets = <&resetctrl 9>;
+ reset-names = "intc";
+
+ interrupt-parent = <&cpuintc>;
+ interrupts = <2>;
+
+ ralink,intc-registers = <0x9c 0xa0
+ 0x6c 0xa4
+ 0x80 0x78>;
+ };
+
+ memc@300 {
+ compatible = "ralink,mt7620a-memc";
+ reg = <0x300 0x100>;
+ };
+
+ uartlite@c00 {
+ compatible = "ns16550a";
+ reg = <0xc00 0x100>;
+
+ resets = <&resetctrl 12>;
+ reset-names = "uart0";
+
+ interrupt-parent = <&intc>;
+ interrupts = <20>;
+
+ reg-shift = <2>;
+ };
+
+ uart1@d00 {
+ compatible = "ns16550a";
+ reg = <0xd00 0x100>;
+
+ resets = <&resetctrl 19>;
+ reset-names = "uart1";
+
+ interrupt-parent = <&intc>;
+ interrupts = <21>;
+
+ reg-shift = <2>;
+ };
+
+ uart2@e00 {
+ compatible = "ns16550a";
+ reg = <0xe00 0x100>;
+
+ resets = <&resetctrl 20>;
+ reset-names = "uart2";
+
+ interrupt-parent = <&intc>;
+ interrupts = <22>;
+
+ reg-shift = <2>;
+ };
+ };
+
+ usbphy: uphy@...20000 {
+ compatible = "mediatek,mt7628-usbphy";
+ reg = <0x10120000 0x1000>;
+
+ #phy-cells = <0>;
+
+ resets = <&resetctrl 22 &resetctrl 25>;
+ reset-names = "host", "device";
+ };
+
+ ehci@...c0000 {
+ compatible = "generic-ehci";
+ reg = <0x101c0000 0x1000>;
+
+ phys = <&usbphy>;
+ phy-names = "usb";
+
+ interrupt-parent = <&intc>;
+ interrupts = <18>;
+ };
+};
--
2.7.4
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