[PATCH v1 2/3] arm: dts: add Nuvoton NPCM750 device tree
Brendan Higgins
brendanhiggins at google.com
Tue Aug 22 13:35:01 AEST 2017
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 at google.com>
---
.../devicetree/bindings/arm/npcm/npcm.txt | 6 +
arch/arm/boot/dts/nuvoton-npcm750-evb.dts | 63 ++++++
arch/arm/boot/dts/nuvoton-npcm750.dtsi | 222 +++++++++++++++++++++
include/dt-bindings/clock/nuvoton,npcm7xx-clks.h | 39 ++++
4 files changed, 330 insertions(+)
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/npcm/npcm.txt b/Documentation/devicetree/bindings/arm/npcm/npcm.txt
new file mode 100644
index 000000000000..19aabe9a7414
--- /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";
+ - enable-method = "nuvoton,npcm7xx-smp"; required for dual core variant.
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..10f523388dc1
--- /dev/null
+++ b/arch/arm/boot/dts/nuvoton-npcm750-evb.dts
@@ -0,0 +1,63 @@
+/*
+ * DTS file for all NPCM750 SoCs
+ *
+ * Copyright 2012 Tomer Maimon <tomer.maimon at nuvoton.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";
+ enable-method = "nuvoton,npcm7xx-smp";
+
+ aliases {
+ serial0 = &uart0;
+ serial1 = &uart1;
+ serial2 = &uart2;
+ serial3 = &uart3;
+ };
+
+ memory {
+ reg = <0 0x40000000>;
+ };
+
+ clocks {
+ clk: clock-controller at f0801000 {
+ status = "okay";
+ };
+ };
+
+ ahb {
+ };
+
+ apb {
+ watchdog1: watchdog at f0009000 {
+ status = "okay";
+ };
+
+ uart0: uart0 at f0001000 {
+ status = "okay";
+ };
+
+ uart1: uart1 at f0002000 {
+ status = "okay";
+ };
+
+ uart2: uart2 at f0003000 {
+ status = "okay";
+ };
+
+ uart3: uart3 at f0004000 {
+ 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..fc64550c49a6
--- /dev/null
+++ b/arch/arm/boot/dts/nuvoton-npcm750.dtsi
@@ -0,0 +1,222 @@
+/*
+ * DTSi file for the NPCM750 SoC
+ *
+ * Copyright 2012 Tomer Maimon <tomer.maimon at nuvoton.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 "skeleton.dtsi"
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/nuvoton,npcm7xx-clks.h>
+
+/ {
+ interrupt-parent = <&gic>;
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu at 0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ clocks = <&clk NPCM7XX_CLK_CPU>;
+ clock-names = "clk_cpu";
+ reg = <0>;
+ next-level-cache = <&L2>;
+ };
+
+ cpu at 1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ clocks = <&clk NPCM7XX_CLK_CPU>;
+ clock-names = "clk_cpu";
+ reg = <1>;
+ next-level-cache = <&L2>;
+ };
+
+ };
+
+ L2: l2-cache {
+ compatible = "arm,pl310-cache";
+ reg = <0xf03fc000 0x80000>;
+ interrupts = <0 21 4>;
+ cache-unified;
+ cache-level = <2>;
+ clocks = <&clk NPCM7XX_CLK_AXI>;
+ clock-names = "clk_axi";
+ };
+
+ clocks {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ clk: clock-controller at f0801000 {
+ compatible = "nuvoton,npcm750-clk";
+ #clock-cells = <1>;
+ };
+
+ /* external clock signal rg1refck, supplied by the phy */
+ clk_rg1refck: clk_rg1refck {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <125000000>;
+ clock-output-names = "clk_rg1refck";
+ };
+
+ /* external clock signal rg2refck, supplied by the phy */
+ clk_rg2refck: clk_rg2refck {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <125000000>;
+ clock-output-names = "clk_rg2refck";
+ };
+
+ clk_xin: clk_xin {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <50000000>;
+ clock-output-names = "clk_xin";
+ };
+ };
+
+ ahb {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "simple-bus";
+ interrupt-parent = <&gic>;
+ ranges = <0x80000000 0x80000000 0x20000000 /* AHB18 */
+ 0xa0000000 0xa0000000 0x28000000 /* AHB3 */
+ 0xe0000000 0xe0000000 0x10000000 /* AHB14 */
+ 0xf0000000 0xf0000000 0x00800000 /* AHB1 */
+ 0xf0800000 0xf0800000 0x00800000 /* AHB8 */
+ 0xf8000000 0xf8000000 0x04000000 /* AHB18 - cont */
+ 0xfffd0000 0xfffd0000 0x00040000>; /* RAM2 */
+
+ gic: interrupt-controller at f03ff000 {
+ compatible = "arm,cortex-a9-gic";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ reg = <0xf03ff000 0x1000>,
+ <0xf03fe100 0x100>;
+ };
+
+ gcr: gcr at f0800000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "nuvoton,npcm750-gcr", "syscon",
+ "simple-mfd";
+ reg = <0xf0800000 0x1000>;
+ };
+
+ scu: scu at f03fe000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "arm,cortex-a9-scu";
+ reg = <0xf03fe000 0x1000>;
+ };
+
+ clk_rst: clk_rst at f0801000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "nuvoton,npcm750-clk_rst", "syscon",
+ "simple-mfd";
+ reg = <0xF0801000 0x1000>;
+ };
+
+ twd: timer at f03fe600 {
+ compatible = "arm,cortex-a9-twd-timer";
+ reg = <0xf03fe600 0x20>;
+ interrupts = <1 13 0x304>;
+ };
+ };
+
+ apb {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "simple-bus";
+ interrupt-parent = <&gic>;
+ ranges = <0xf0000000 0xf0000000 0x00080000
+ 0xf0080000 0xf0080000 0x00080000
+ 0xf0100000 0xf0100000 0x00080000
+ 0xf0180000 0xf0180000 0x00080000
+ 0xf0200000 0xf0200000 0x00600000>;
+
+ timer0: timer at f0000000 {
+ compatible = "nuvoton,npcm750-timer";
+ interrupts = <0 32 4>;
+ clocks = <&clk NPCM7XX_CLK_TIMER>;
+ clock-names = "clk_timer";
+ };
+
+ watchdog0: watchdog at f0008000 {
+ compatible = "nuvoton,npcm750-wdt";
+ interrupts = <0 47 4>;
+ reg = <0xf0008000 0x1000>;
+ status = "disabled";
+ clocks = <&clk NPCM7XX_CLK_TIMER>;
+ clock-names = "clk_timer";
+ };
+
+ watchdog1: watchdog at f0009000 {
+ compatible = "nuvoton,npcm750-wdt";
+ interrupts = <0 48 4>;
+ reg = <0xf0009000 0x1000>;
+ status = "disabled";
+ clocks = <&clk NPCM7XX_CLK_TIMER>;
+ clock-names = "clk_timer";
+ };
+
+ watchdog2: watchdog at f000a000 {
+ compatible = "nuvoton,npcm750-wdt";
+ interrupts = <0 49 4>;
+ reg = <0xf000a000 0x1000>;
+ status = "disabled";
+ clocks = <&clk NPCM7XX_CLK_TIMER>;
+ clock-names = "clk_timer";
+ };
+
+ uart0: uart0 at f0001000 {
+ compatible = "nuvoton,npcm750-uart";
+ reg = <0xf0001000 0x1000>;
+ clocks = <&clk NPCM7XX_CLK_UART_CORE>;
+ clock-names = "clk_uart";
+ interrupts = <0 2 4>;
+ status = "disabled";
+ };
+
+ uart1: uart1 at f0002000 {
+ compatible = "nuvoton,npcm750-uart";
+ reg = <0xf0002000 0x1000>;
+ clocks = <&clk NPCM7XX_CLK_UART_CORE>;
+ clock-names = "clk_uart";
+ interrupts = <0 3 4>;
+ status = "disabled";
+ };
+
+ uart2: uart2 at f0003000 {
+ compatible = "nuvoton,npcm750-uart";
+ reg = <0xf0003000 0x1000>;
+ clocks = <&clk NPCM7XX_CLK_UART_CORE>;
+ clock-names = "clk_uart";
+ interrupts = <0 4 4>;
+ status = "disabled";
+ };
+
+ uart3: uart3 at f0004000 {
+ compatible = "nuvoton,npcm750-uart";
+ reg = <0xf0004000 0x1000>;
+ clocks = <&clk NPCM7XX_CLK_UART_CORE>;
+ clock-names = "clk_uart";
+ 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 at nuvoton.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
--
2.14.1.480.gb18f417b89-goog
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