arm64: dts: Add ZTE ZX296718 SoC dts and Makefile

Add device tree support for ZX296718 SoC and evaluation board based
on it.  Also document new values.

Signed-off-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

5 files changed, 386 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/arm/zte.txt b/Documentation/devicetree/bindings/arm/zte.txt
index 3ff5c9e85c1c..83369785d29c 100644
--- a/Documentation/devicetree/bindings/arm/zte.txt
+++ b/Documentation/devicetree/bindings/arm/zte.txt
@@ -13,3 +13,27 @@ Low power management required properties:
 
 Bus matrix required properties:
       - compatible = "zte,zx-bus-matrix"
+
+
+---------------------------------------
+-  ZX296718 SoC:
+    Required root node properties:
+      - compatible = "zte,zx296718"
+
+ZX296718 EVB board:
+      - "zte,zx296718-evb"
+
+System management required properties:
+      - compatible = "zte,zx296718-aon-sysctrl"
+      - compatible = "zte,zx296718-sysctrl"
+
+Example:
+aon_sysctrl: aon-sysctrl@116000 {
+        compatible = "zte,zx296718-aon-sysctrl", "syscon";
+        reg = <0x116000 0x1000>;
+};
+
+sysctrl: sysctrl@1463000 {
+        compatible = "zte,zx296718-sysctrl", "syscon";
+        reg = <0x1463000 0x1000>;
+};
diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index 6e199c903676..6684f97c2722 100644
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile
@@ -19,6 +19,7 @@ dts-dirs += socionext
 dts-dirs += sprd
 dts-dirs += xilinx
 dts-dirs += lg
+dts-dirs += zte
 
 subdir-y        := $(dts-dirs)
 
diff --git a/arch/arm64/boot/dts/zte/Makefile b/arch/arm64/boot/dts/zte/Makefile
new file mode 100644
index 000000000000..667806620f59
--- /dev/null
+++ b/arch/arm64/boot/dts/zte/Makefile
@@ -0,0 +1,5 @@
+dtb-$(CONFIG_ARCH_ZX) += zx296718-evb.dtb
+
+always          := $(dtb-y)
+subdir-y        := $(dts-dirs)
+clean-files     := *.dtb
diff --git a/arch/arm64/boot/dts/zte/zx296718-evb.dts b/arch/arm64/boot/dts/zte/zx296718-evb.dts
new file mode 100644
index 000000000000..e164ff6de5fc
--- /dev/null
+++ b/arch/arm64/boot/dts/zte/zx296718-evb.dts
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2016 ZTE Corporation.
+ * Copyright 2016 Linaro Ltd.
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This library is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This library is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/dts-v1/;
+#include "zx296718.dtsi"
+
+/ {
+        model = "ZTE zx296718 evaluation board";
+        compatible = "zte,zx296718-evb", "zte,zx296718";
+
+        chosen {
+                stdout-path = "serial0:115200n8";
+        };
+
+        memory@40000000 {
+                device_type = "memory";
+                reg = <0x40000000 0x40000000>;
+        };
+
+};
+
+&uart0 {
+        status = "okay";
+};
diff --git a/arch/arm64/boot/dts/zte/zx296718.dtsi b/arch/arm64/boot/dts/zte/zx296718.dtsi
new file mode 100644
index 000000000000..a223066f24ce
--- /dev/null
+++ b/arch/arm64/boot/dts/zte/zx296718.dtsi
@@ -0,0 +1,292 @@
+/*
+ * Copyright 2016 ZTE Corporation.
+ * Copyright 2016 Linaro Ltd.
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This library is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This library is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+        compatible = "zte,zx296718";
+        #address-cells = <1>;
+        #size-cells = <1>;
+        interrupt-parent = <&gic>;
+
+        aliases {
+                serial0 = &uart0;
+        };
+
+        cpus {
+                #address-cells = <2>;
+                #size-cells = <0>;
+
+                cpu-map {
+                        cluster0 {
+                                core0 {
+                                        cpu = <&cpu0>;
+                                };
+                                core1 {
+                                        cpu = <&cpu1>;
+                                };
+                                core2 {
+                                        cpu = <&cpu2>;
+                                };
+                                core3 {
+                                        cpu = <&cpu3>;
+                                };
+                        };
+                };
+
+                cpu0: cpu@0 {
+                        device_type = "cpu";
+                        compatible = "arm,cortex-a53","arm,armv8";
+                        reg = <0x0 0x0>;
+                        enable-method = "psci";
+                };
+
+                cpu1: cpu@1 {
+                        device_type = "cpu";
+                        compatible = "arm,cortex-a53","arm,armv8";
+                        reg = <0x0 0x1>;
+                        enable-method = "psci";
+                };
+
+                cpu2: cpu@2 {
+                        device_type = "cpu";
+                        compatible = "arm,cortex-a53","arm,armv8";
+                        reg = <0x0 0x2>;
+                        enable-method = "psci";
+                };
+
+                cpu3: cpu@3 {
+                        device_type = "cpu";
+                        compatible = "arm,cortex-a53","arm,armv8";
+                        reg = <0x0 0x3>;
+                        enable-method = "psci";
+                };
+        };
+
+        clk24k: clk-24k {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <24000>;
+                clock-output-names = "rtcclk";
+        };
+
+        osc32k: clk-osc32k {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <32000>;
+                clock-output-names = "osc32k";
+        };
+
+        osc12m: clk-osc12m {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <12000000>;
+                clock-output-names = "osc12m";
+        };
+
+        osc24m: clk-osc24m {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <24000000>;
+                clock-output-names = "osc24m";
+        };
+
+        osc25m: clk-osc25m {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <25000000>;
+                clock-output-names = "osc25m";
+        };
+
+        osc60m: clk-osc60m {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <60000000>;
+                clock-output-names = "osc60m";
+        };
+
+        osc99m: clk-osc99m {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <99000000>;
+                clock-output-names = "osc99m";
+        };
+
+        osc125m: clk-osc125m {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <125000000>;
+                clock-output-names = "osc125m";
+        };
+
+        osc198m: clk-osc198m {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <198000000>;
+                clock-output-names = "osc198m";
+        };
+
+        pll_audio: clk-pll-884m {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <884000000>;
+                clock-output-names = "pll_audio";
+        };
+
+        pll_ddr: clk-pll-932m {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <932000000>;
+                clock-output-names = "pll_ddr";
+        };
+
+        pll_hsic: clk-pll-960m {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <960000000>;
+                clock-output-names = "pll_hsic";
+        };
+
+        pll_mac: clk-pll-1000m {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <1000000000>;
+                clock-output-names = "pll_mac";
+        };
+
+        pll_vga: clk-pll-1073m {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <1073000000>;
+                clock-output-names = "pll_vga";
+        };
+
+        pll_mm0: clk-pll-1188m {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <1188000000>;
+                clock-output-names = "pll_mm0";
+        };
+
+        pll_mm1: clk-pll-1296m {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <1296000000>;
+                clock-output-names = "pll_mm1";
+        };
+
+        psci {
+                compatible = "arm,psci-1.0";
+                method = "smc";
+        };
+
+        timer {
+                compatible = "arm,armv8-timer";
+                interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
+                             <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
+                             <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
+                             <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
+        };
+
+        pmu {
+                compatible = "arm,cortex-a53-pmu";
+                interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
+        };
+
+        gic: interrupt-controller@2a00000 {
+                compatible = "arm,gic-v3";
+                #interrupt-cells = <3>;
+                #address-cells = <0>;
+                #redistributor-regions = <6>;
+                redistributor-stride = <0x0 0x40000>;
+                interrupt-controller;
+                reg = <0x02a00000 0x10000>,
+                      <0x02b00000 0x20000>,
+                      <0x02b20000 0x20000>,
+                      <0x02b40000 0x20000>,
+                      <0x02b60000 0x20000>,
+                      <0x02b80000 0x20000>,
+                      <0x02ba0000 0x20000>;
+                interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
+        };
+
+        soc {
+                #address-cells = <1>;
+                #size-cells = <1>;
+                compatible = "simple-bus";
+                ranges;
+
+                aon_sysctrl: aon-sysctrl@116000 {
+                        compatible = "zte,zx296718-aon-sysctrl", "syscon";
+                        reg = <0x116000 0x1000>;
+                };
+
+                uart0: uart@11f000 {
+                        compatible = "arm,pl011", "arm,primecell";
+                        arm,primecell-periphid = <0x001feffe>;
+                        reg = <0x11f000 0x1000>;
+                        interrupts = <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
+                        clocks = <&osc24m>;
+                        clock-names = "apb_pclk";
+                        status = "disabled";
+                };
+
+                dma: dma-controller@1460000 {
+                        compatible = "zte,zx296702-dma";
+                        reg = <0x01460000 0x1000>;
+                        interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
+                        clocks = <&osc24m>;
+                        clock-names = "dmaclk";
+                        #dma-cells = <1>;
+                        dma-channels = <32>;
+                        dma-requests = <32>;
+                };
+
+                sysctrl: sysctrl@1463000 {
+                        compatible = "zte,zx296718-sysctrl", "syscon";
+                        reg = <0x1463000 0x1000>;
+                };
+        };
+};