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Subject[PATCH v1 1/1] arm: dts: modify Nuvoton NPCM750 device tree
Date
Add a common device tree for all Nuvoton NPCM7xx BMCs and
include it in NPCM750 (Poleg) device tree.

Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
---
arch/arm/boot/dts/Makefile | 2 +-
arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi | 187 ++++++++++++++++++++++++++
arch/arm/boot/dts/nuvoton-npcm750-evb.dts | 6 +-
arch/arm/boot/dts/nuvoton-npcm750.dtsi | 131 +-----------------
4 files changed, 198 insertions(+), 128 deletions(-)
create mode 100644 arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index c945d4670ea3..aaf9e30bce78 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -307,7 +307,7 @@ dtb-$(CONFIG_ARCH_LPC18XX) += \
dtb-$(CONFIG_ARCH_LPC32XX) += \
lpc3250-ea3250.dtb \
lpc3250-phy3250.dtb
-dtb-$(CONFIG_ARCH_NPCM750) += \
+dtb-$(CONFIG_ARCH_NPCM7XX) += \
nuvoton-npcm750-evb.dtb
dtb-$(CONFIG_MACH_MESON6) += \
meson6-atv1200.dtb
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 cabde3d5be8a..15f744f1beea 100644
--- a/arch/arm/boot/dts/nuvoton-npcm750-evb.dts
+++ b/arch/arm/boot/dts/nuvoton-npcm750-evb.dts
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
-// Copyright (c) 2018 Nuvoton Technology corporation.
+// Copyright (c) 2018 Nuvoton Technology tomer.maimon@nuvoton.com
// Copyright 2018 Google, Inc.

/dts-v1/;
@@ -18,6 +18,10 @@
};
};

+&watchdog1 {
+ status = "okay";
+};
+
&serial0 {
status = "okay";
};
diff --git a/arch/arm/boot/dts/nuvoton-npcm750.dtsi b/arch/arm/boot/dts/nuvoton-npcm750.dtsi
index 839e45cfd695..6ac340533587 100644
--- a/arch/arm/boot/dts/nuvoton-npcm750.dtsi
+++ b/arch/arm/boot/dts/nuvoton-npcm750.dtsi
@@ -1,8 +1,8 @@
// SPDX-License-Identifier: GPL-2.0
-// Copyright (c) 2018 Nuvoton Technology corporation.
+// Copyright (c) 2018 Nuvoton Technology tomer.maimon@nuvoton.com
// Copyright 2018 Google, Inc.

-#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include "nuvoton-common-npcm7xx.dtsi"

/ {
#address-cells = <1>;
@@ -17,7 +17,7 @@
cpu@0 {
device_type = "cpu";
compatible = "arm,cortex-a9";
- clocks = <&clk 10>;
+ clocks = <&clk 0>;
clock-names = "clk_cpu";
reg = <0>;
next-level-cache = <&l2>;
@@ -26,140 +26,19 @@
cpu@1 {
device_type = "cpu";
compatible = "arm,cortex-a9";
- clocks = <&clk 10>;
+ clocks = <&clk 0>;
clock-names = "clk_cpu";
reg = <1>;
next-level-cache = <&l2>;
};
};
-
- /* 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>;
- };
-
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 22>;
- arm,shared-override;
- };
-
- gic: interrupt-controller@3ff000 {
- compatible = "arm,cortex-a9-gic";
- interrupt-controller;
- #interrupt-cells = <3>;
- reg = <0x3ff000 0x1000>,
- <0x3fe100 0x100>;
- };
-
timer@3fe600 {
compatible = "arm,cortex-a9-twd-timer";
reg = <0x3fe600 0x20>;
interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) |
IRQ_TYPE_LEVEL_HIGH)>;
- clocks = <&clk 15>;
- };
- };
-
- ahb {
- #address-cells = <1>;
- #size-cells = <1>;
- compatible = "simple-bus";
- interrupt-parent = <&gic>;
- ranges;
-
- clk: clock-controller@f0801000 {
- compatible = "nuvoton,npcm750-clk";
- #clock-cells = <1>;
- reg = <0xf0801000 0x1000>;
- };
-
- 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 0x1000>;
- clocks = <&clk 15>;
- };
-
- serial0: serial@1000 {
- compatible = "ns16550a";
- reg = <0x1000 0x1000>;
- clocks = <&clk 14>;
- interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
- reg-shift = <2>;
- status = "disabled";
- };
-
- serial1: serial@2000 {
- compatible = "ns16550a";
- reg = <0x2000 0x1000>;
- clocks = <&clk 14>;
- interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
- reg-shift = <2>;
- status = "disabled";
- };
-
- serial2: serial@3000 {
- compatible = "ns16550a";
- reg = <0x3000 0x1000>;
- clocks = <&clk 14>;
- interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
- reg-shift = <2>;
- status = "disabled";
- };
-
- serial3: serial@4000 {
- compatible = "ns16550a";
- reg = <0x4000 0x1000>;
- clocks = <&clk 14>;
- interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
- reg-shift = <2>;
- status = "disabled";
- };
+ clocks = <&clk 5>;
};
};
};
--
2.14.1
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