arm: dts: modify Nuvoton NPCM7xx device tree structure

Modify Nuvoton NPCM7xx device tree structure by adding
nuvoton common nNPCM7xx device tree structure that
include all common modules.

Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

3 files changed, 190 insertions, 178 deletions

diff --git a/arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi b/arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi
new file mode 100644
index 000000000000..d2d0761295a4
--- /dev/null
+++ b/arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi
@@ -0,0 +1,187 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Nuvoton Technology tomer.maimon@nuvoton.com
+// Copyright 2018 Google, Inc.
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+        #address-cells = <1>;
+        #size-cells = <1>;
+        interrupt-parent = <&gic>;
+
+        /* external reference clock */
+        clk_refclk: clk_refclk {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <25000000>;
+                clock-output-names = "refclk";
+        };
+
+        /* external reference clock for cpu. float in normal operation */
+        clk_sysbypck: clk_sysbypck {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <800000000>;
+                clock-output-names = "sysbypck";
+        };
+
+        /* external reference clock for MC. float in normal operation */
+        clk_mcbypck: clk_mcbypck {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <800000000>;
+                clock-output-names = "mcbypck";
+        };
+
+         /* 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";
+        };
+
+        soc {
+                #address-cells = <1>;
+                #size-cells = <1>;
+                compatible = "simple-bus";
+                interrupt-parent = <&gic>;
+                ranges = <0x0 0xf0000000 0x00900000>;
+
+                gcr: gcr@800000 {
+                        compatible = "nuvoton,npcm750-gcr", "syscon",
+                                "simple-mfd";
+                        reg = <0x800000 0x1000>;
+                };
+
+                scu: scu@3fe000 {
+                        compatible = "arm,cortex-a9-scu";
+                        reg = <0x3fe000 0x1000>;
+                };
+
+                l2: cache-controller@3fc000 {
+                        compatible = "arm,pl310-cache";
+                        reg = <0x3fc000 0x1000>;
+                        interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
+                        cache-unified;
+                        cache-level = <2>;
+                        clocks = <&clk 10>;
+                        arm,shared-override;
+                };
+
+                gic: interrupt-controller@3ff000 {
+                        compatible = "arm,cortex-a9-gic";
+                        interrupt-controller;
+                        #interrupt-cells = <3>;
+                        reg = <0x3ff000 0x1000>,
+                                <0x3fe100 0x100>;
+                };
+        };
+
+        ahb {
+                #address-cells = <1>;
+                #size-cells = <1>;
+                compatible = "simple-bus";
+                interrupt-parent = <&gic>;
+                ranges;
+
+                clk: clock-controller@f0801000 {
+                        compatible = "nuvoton,npcm750-clk", "syscon";
+                        #clock-cells = <1>;
+                        clock-controller;
+                        reg = <0xf0801000 0x1000>;
+                        clock-names = "refclk", "sysbypck", "mcbypck";
+                        clocks = <&clk_refclk>, <&clk_sysbypck>, <&clk_mcbypck>;
+                };
+
+                apb {
+                        #address-cells = <1>;
+                        #size-cells = <1>;
+                        compatible = "simple-bus";
+                        interrupt-parent = <&gic>;
+                        ranges = <0x0 0xf0000000 0x00300000>;
+
+                        timer0: timer@8000 {
+                                compatible = "nuvoton,npcm750-timer";
+                                interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+                                reg = <0x8000 0x50>;
+                                clocks = <&clk 5>;
+                        };
+
+                        watchdog0: watchdog@801C {
+                                compatible = "nuvoton,npcm750-wdt";
+                                interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
+                                reg = <0x801C 0x4>;
+                                status = "disabled";
+                                clocks = <&clk 5>;
+                        };
+
+                        watchdog1: watchdog@901C {
+                                compatible = "nuvoton,npcm750-wdt";
+                                interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
+                                reg = <0x901C 0x4>;
+                                status = "disabled";
+                                clocks = <&clk 5>;
+                        };
+
+                        watchdog2: watchdog@a01C {
+                                compatible = "nuvoton,npcm750-wdt";
+                                interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+                                reg = <0xa01C 0x4>;
+                                status = "disabled";
+                                clocks = <&clk 5>;
+                        };
+
+                        serial0: serial@1000 {
+                                compatible = "nuvoton,npcm750-uart";
+                                reg = <0x1000 0x1000>;
+                                clocks = <&clk 6>;
+                                interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
+                                reg-shift = <2>;
+                                status = "disabled";
+                        };
+
+                        serial1: serial@2000 {
+                                compatible = "nuvoton,npcm750-uart";
+                                reg = <0x2000 0x1000>;
+                                clocks = <&clk 6>;
+                                interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
+                                reg-shift = <2>;
+                                status = "disabled";
+                        };
+
+                        serial2: serial@3000 {
+                                compatible = "nuvoton,npcm750-uart";
+                                reg = <0x3000 0x1000>;
+                                clocks = <&clk 6>;
+                                interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
+                                reg-shift = <2>;
+                                status = "disabled";
+                        };
+
+                        serial3: serial@4000 {
+                                compatible = "nuvoton,npcm750-uart";
+                                reg = <0x4000 0x1000>;
+                                clocks = <&clk 6>;
+                                interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
+                                reg-shift = <2>;
+                                status = "disabled";
+                        };
+                };
+        };
+};
diff --git a/arch/arm/boot/dts/nuvoton-npcm750-evb.dts b/arch/arm/boot/dts/nuvoton-npcm750-evb.dts
index 4416dd6c7c17..15f744f1beea 100644
--- a/arch/arm/boot/dts/nuvoton-npcm750-evb.dts
+++ b/arch/arm/boot/dts/nuvoton-npcm750-evb.dts
@@ -1,5 +1,5 @@