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Message-Id: <20170919224001.22284-3-brendanhiggins@google.com>
Date: Tue, 19 Sep 2017 15:40:00 -0700
From: Brendan Higgins <brendanhiggins@...gle.com>
To: robh+dt@...nel.org, mark.rutland@....com, linux@...linux.org.uk,
avifishman70@...il.com, tmaimon77@...il.com, raltherr@...gle.com,
f.fainelli@...il.com
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, openbmc@...ts.ozlabs.org,
Brendan Higgins <brendanhiggins@...gle.com>
Subject: [PATCH v6 2/3] arm: dts: add Nuvoton NPCM750 device tree
Add a common device tree for all Nuvoton NPCM750 BMCs and a board
specific device tree for the NPCM750 (Poleg) evaluation board.
Signed-off-by: Brendan Higgins <brendanhiggins@...gle.com>
Reviewed-by: Tomer Maimon <tmaimon77@...il.com>
Reviewed-by: Avi Fishman <avifishman70@...il.com>
Reviewed-by: Joel Stanley <joel@....id.au>
Tested-by: Tomer Maimon <tmaimon77@...il.com>
Tested-by: Avi Fishman <avifishman70@...il.com>
---
.../arm/cpu-enable-method/nuvoton,npcm7xx-smp | 42 ++++
.../devicetree/bindings/arm/npcm/npcm.txt | 6 +
arch/arm/boot/dts/nuvoton-npcm750-evb.dts | 48 +++++
arch/arm/boot/dts/nuvoton-npcm750.dtsi | 211 +++++++++++++++++++++
include/dt-bindings/clock/nuvoton,npcm7xx-clks.h | 39 ++++
5 files changed, 346 insertions(+)
create mode 100644 Documentation/devicetree/bindings/arm/cpu-enable-method/nuvoton,npcm7xx-smp
create mode 100644 Documentation/devicetree/bindings/arm/npcm/npcm.txt
create mode 100644 arch/arm/boot/dts/nuvoton-npcm750-evb.dts
create mode 100644 arch/arm/boot/dts/nuvoton-npcm750.dtsi
create mode 100644 include/dt-bindings/clock/nuvoton,npcm7xx-clks.h
diff --git a/Documentation/devicetree/bindings/arm/cpu-enable-method/nuvoton,npcm7xx-smp b/Documentation/devicetree/bindings/arm/cpu-enable-method/nuvoton,npcm7xx-smp
new file mode 100644
index 000000000000..e81f85b400cf
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/cpu-enable-method/nuvoton,npcm7xx-smp
@@ -0,0 +1,42 @@
+=========================================================
+Secondary CPU enable-method "nuvoton,npcm7xx-smp" binding
+=========================================================
+
+To apply to all CPUs, a single "nuvoton,npcm7xx-smp" enable method should be
+defined in the "cpus" node.
+
+Enable method name: "nuvoton,npcm7xx-smp"
+Compatible machines: "nuvoton,npcm750"
+Compatible CPUs: "arm,cortex-a9"
+Related properties: (none)
+
+Note:
+This enable method needs valid nodes compatible with "arm,cortex-a9-scu" and
+"nuvoton,npcm750-gcr".
+
+Example:
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ enable-method = "nuvoton,npcm7xx-smp";
+
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ clocks = <&clk NPCM7XX_CLK_CPU>;
+ clock-names = "clk_cpu";
+ reg = <0>;
+ next-level-cache = <&L2>;
+ };
+
+ cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ clocks = <&clk NPCM7XX_CLK_CPU>;
+ clock-names = "clk_cpu";
+ reg = <1>;
+ next-level-cache = <&L2>;
+ };
+ };
+
diff --git a/Documentation/devicetree/bindings/arm/npcm/npcm.txt b/Documentation/devicetree/bindings/arm/npcm/npcm.txt
new file mode 100644
index 000000000000..2d87d9ecea85
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/npcm/npcm.txt
@@ -0,0 +1,6 @@
+NPCM Platforms Device Tree Bindings
+-----------------------------------
+NPCM750 SoC
+Required root node properties:
+ - compatible = "nuvoton,npcm750";
+
diff --git a/arch/arm/boot/dts/nuvoton-npcm750-evb.dts b/arch/arm/boot/dts/nuvoton-npcm750-evb.dts
new file mode 100644
index 000000000000..a0675e584125
--- /dev/null
+++ b/arch/arm/boot/dts/nuvoton-npcm750-evb.dts
@@ -0,0 +1,48 @@
+/*
+ * DTS file for all NPCM750 SoCs
+ *
+ * Copyright 2012 Tomer Maimon <tomer.maimon@...oton.com>
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+/dts-v1/;
+#include "nuvoton-npcm750.dtsi"
+
+/ {
+ model = "Nuvoton npcm750 Development Board (Device Tree)";
+ compatible = "nuvoton,npcm750";
+
+ chosen {
+ stdout-path = &serial3;
+ };
+
+ memory {
+ reg = <0 0x40000000>;
+ };
+};
+
+&watchdog1 {
+ status = "okay";
+};
+
+&serial0 {
+ status = "okay";
+};
+
+&serial1 {
+ status = "okay";
+};
+
+&serial2 {
+ status = "okay";
+};
+
+&serial3 {
+ status = "okay";
+};
diff --git a/arch/arm/boot/dts/nuvoton-npcm750.dtsi b/arch/arm/boot/dts/nuvoton-npcm750.dtsi
new file mode 100644
index 000000000000..5d8a48e44274
--- /dev/null
+++ b/arch/arm/boot/dts/nuvoton-npcm750.dtsi
@@ -0,0 +1,211 @@
+/*
+ * DTSi file for the NPCM750 SoC
+ *
+ * Copyright 2012 Tomer Maimon <tomer.maimon@...oton.com>
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/nuvoton,npcm7xx-clks.h>
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ interrupt-parent = <&gic>;
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ enable-method = "nuvoton,npcm7xx-smp";
+
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ clocks = <&clk NPCM7XX_CLK_CPU>;
+ clock-names = "clk_cpu";
+ reg = <0>;
+ next-level-cache = <&l2>;
+ };
+
+ cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ clocks = <&clk NPCM7XX_CLK_CPU>;
+ clock-names = "clk_cpu";
+ reg = <1>;
+ next-level-cache = <&l2>;
+ };
+ };
+
+ gcr: gcr@...00000 {
+ compatible = "nuvoton,npcm750-gcr", "syscon",
+ "simple-mfd";
+ reg = <0xf0800000 0x1000>;
+ };
+
+ scu: scu@...fe000 {
+ compatible = "arm,cortex-a9-scu";
+ reg = <0xf03fe000 0x1000>;
+ };
+
+ l2: cache-controller@...fc000 {
+ compatible = "arm,pl310-cache";
+ reg = <0xf03fc000 0x1000>;
+ interrupts = <0 21 4>;
+ cache-unified;
+ cache-level = <2>;
+ clocks = <&clk NPCM7XX_CLK_AXI>;
+ };
+
+ gic: interrupt-controller@...ff000 {
+ compatible = "arm,cortex-a9-gic";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ reg = <0xf03ff000 0x1000>,
+ <0xf03fe100 0x100>;
+ };
+
+ timer@...fe600 {
+ compatible = "arm,cortex-a9-twd-timer";
+ reg = <0xf03fe600 0x20>;
+ interrupts = <1 13 0x304>;
+ clocks = <&clk NPCM7XX_CLK_TIMER>;
+ };
+
+ ahb {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "simple-bus";
+ interrupt-parent = <&gic>;
+ ranges = <0x80000000 0x80000000 0x40000000
+ 0xc0000000 0xc0000000 0x00002000
+ 0xc0008000 0xc0008000 0x00001000
+ 0xe0800000 0xe0800000 0x00001000
+ 0xe1000000 0xe1000000 0x00001000
+ 0xe8000000 0xe8000000 0x08000000
+ /* APB start */
+ 0xf0000000 0xf0000000 0x00005000
+ 0xf0007000 0xf0007000 0x00005000
+ 0xf0010000 0xf0010000 0x00008000
+ 0xf0080000 0xf0080000 0x00010000
+ 0xf009f000 0xf009f000 0x00001000
+ 0xf0100000 0xf0100000 0x00005000
+ 0xf0180000 0xf0180000 0x0000b000
+ 0xf0200000 0xf0200000 0x00002000
+ /* APB end */
+ 0xf0800000 0xf0800000 0x000fc000
+ 0xf8000000 0xf8000000 0x02000000
+ 0xfb000000 0xfb000000 0x00002000>;
+
+ clk: clock-controller@...01000 {
+ compatible = "nuvoton,npcm750-clk";
+ #clock-cells = <1>;
+ reg = <0xf0801000 0x1000>;
+ status = "okay";
+ };
+
+ /* external clock signal rg1refck, supplied by the phy */
+ clk-rg1refck {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <125000000>;
+ };
+
+ /* external clock signal rg2refck, supplied by the phy */
+ clk-rg2refck {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <125000000>;
+ };
+
+ clk-xin {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <50000000>;
+ };
+
+ apb {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "simple-bus";
+ interrupt-parent = <&gic>;
+ ranges = <0xf0000000 0xf0000000 0x00005000
+ 0xf0007000 0xf0007000 0x00005000
+ 0xf0010000 0xf0010000 0x00008000
+ 0xf0080000 0xf0080000 0x00010000
+ 0xf009f000 0xf009f000 0x00001000
+ 0xf0100000 0xf0100000 0x00005000
+ 0xf0180000 0xf0180000 0x0000b000
+ 0xf0200000 0xf0200000 0x00002000>;
+
+ timer0: timer@...00000 {
+ compatible = "nuvoton,npcm750-timer";
+ interrupts = <0 32 4>;
+ reg = <0xf0000000 0x1000>;
+ clocks = <&clk NPCM7XX_CLK_TIMER>;
+ };
+
+ watchdog0: watchdog@...08000 {
+ compatible = "nuvoton,npcm750-wdt";
+ interrupts = <0 47 4>;
+ reg = <0xf0008000 0x1000>;
+ status = "disabled";
+ clocks = <&clk NPCM7XX_CLK_TIMER>;
+ };
+
+ watchdog1: watchdog@...09000 {
+ compatible = "nuvoton,npcm750-wdt";
+ interrupts = <0 48 4>;
+ reg = <0xf0009000 0x1000>;
+ status = "disabled";
+ clocks = <&clk NPCM7XX_CLK_TIMER>;
+ };
+
+ watchdog2: watchdog@...0a000 {
+ compatible = "nuvoton,npcm750-wdt";
+ interrupts = <0 49 4>;
+ reg = <0xf000a000 0x1000>;
+ status = "disabled";
+ clocks = <&clk NPCM7XX_CLK_TIMER>;
+ };
+
+ serial0: serial0@...01000 {
+ compatible = "nuvoton,npcm750-uart";
+ reg = <0xf0001000 0x1000>;
+ clocks = <&clk NPCM7XX_CLK_UART_CORE>;
+ interrupts = <0 2 4>;
+ status = "disabled";
+ };
+
+ serial1: serial1@...02000 {
+ compatible = "nuvoton,npcm750-uart";
+ reg = <0xf0002000 0x1000>;
+ clocks = <&clk NPCM7XX_CLK_UART_CORE>;
+ interrupts = <0 3 4>;
+ status = "disabled";
+ };
+
+ serial2: serial2@...03000 {
+ compatible = "nuvoton,npcm750-uart";
+ reg = <0xf0003000 0x1000>;
+ clocks = <&clk NPCM7XX_CLK_UART_CORE>;
+ interrupts = <0 4 4>;
+ status = "disabled";
+ };
+
+ serial3: serial3@...04000 {
+ compatible = "nuvoton,npcm750-uart";
+ reg = <0xf0004000 0x1000>;
+ clocks = <&clk NPCM7XX_CLK_UART_CORE>;
+ interrupts = <0 5 4>;
+ status = "disabled";
+ };
+ };
+ };
+};
diff --git a/include/dt-bindings/clock/nuvoton,npcm7xx-clks.h b/include/dt-bindings/clock/nuvoton,npcm7xx-clks.h
new file mode 100644
index 000000000000..c69d3bbf7e42
--- /dev/null
+++ b/include/dt-bindings/clock/nuvoton,npcm7xx-clks.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2016 Nuvoton Technologies, tali.perry@...oton.com
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ */
+
+#ifndef _DT_BINDINGS_CLK_NPCM7XX_H
+#define _DT_BINDINGS_CLK_NPCM7XX_H
+
+#define NPCM7XX_CLK_PLL0 0
+#define NPCM7XX_CLK_PLL1 1
+#define NPCM7XX_CLK_PLL2 2
+#define NPCM7XX_CLK_GFX 3
+#define NPCM7XX_CLK_APB1 4
+#define NPCM7XX_CLK_APB2 5
+#define NPCM7XX_CLK_APB3 6
+#define NPCM7XX_CLK_APB4 7
+#define NPCM7XX_CLK_APB5 8
+#define NPCM7XX_CLK_MC 9
+#define NPCM7XX_CLK_CPU 10
+#define NPCM7XX_CLK_SPI0 11
+#define NPCM7XX_CLK_SPI3 12
+#define NPCM7XX_CLK_SPIX 13
+#define NPCM7XX_CLK_UART_CORE 14
+#define NPCM7XX_CLK_TIMER 15
+#define NPCM7XX_CLK_HOST_UART 16
+#define NPCM7XX_CLK_MMC 17
+#define NPCM7XX_CLK_SDHC 18
+#define NPCM7XX_CLK_ADC 19
+#define NPCM7XX_CLK_GFX_MEM 20
+#define NPCM7XX_CLK_USB_BRIDGE 21
+#define NPCM7XX_CLK_AXI 22
+#define NPCM7XX_CLK_AHB 23
+#define NPCM7XX_CLK_EMC 24
+#define NPCM7XX_CLK_GMAC 25
+
+#endif
--
2.14.1.690.gbb1197296e-goog
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