arm: vexpress: Add a devicetree files for juno
Sync these file, obtained from Linux v5.15.
Add a note for the maintainer, and SPDX lines where they are missing.
The added lines are:
SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
Note, this matches the text in those files, but is not the same as the
GPL-2.0 of some files.
[1] https://releases.linaro.org/android/reference-lcr/juno/7.1-17.05/
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/arch/arm/dts/juno-motherboard.dtsi b/arch/arm/dts/juno-motherboard.dtsi
new file mode 100644
index 0000000..42b1754
--- /dev/null
+++ b/arch/arm/dts/juno-motherboard.dtsi
@@ -0,0 +1,303 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/*
+ * ARM Juno Platform motherboard peripherals
+ *
+ * Copyright (c) 2013-2014 ARM Ltd
+ *
+ * This file is licensed under a dual GPLv2 or BSD license.
+ *
+ */
+
+/ {
+ mb_clk24mhz: clk24mhz {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <24000000>;
+ clock-output-names = "juno_mb:clk24mhz";
+ };
+
+ mb_clk25mhz: clk25mhz {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <25000000>;
+ clock-output-names = "juno_mb:clk25mhz";
+ };
+
+ v2m_refclk1mhz: refclk1mhz {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <1000000>;
+ clock-output-names = "juno_mb:refclk1mhz";
+ };
+
+ v2m_refclk32khz: refclk32khz {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <32768>;
+ clock-output-names = "juno_mb:refclk32khz";
+ };
+
+ mb_fixed_3v3: mcc-sb-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "MCC_SB_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ power-button {
+ debounce-interval = <50>;
+ wakeup-source;
+ linux,code = <116>;
+ label = "POWER";
+ gpios = <&iofpga_gpio0 0 0x4>;
+ };
+ home-button {
+ debounce-interval = <50>;
+ wakeup-source;
+ linux,code = <102>;
+ label = "HOME";
+ gpios = <&iofpga_gpio0 1 0x4>;
+ };
+ rlock-button {
+ debounce-interval = <50>;
+ wakeup-source;
+ linux,code = <152>;
+ label = "RLOCK";
+ gpios = <&iofpga_gpio0 2 0x4>;
+ };
+ vol-up-button {
+ debounce-interval = <50>;
+ wakeup-source;
+ linux,code = <115>;
+ label = "VOL+";
+ gpios = <&iofpga_gpio0 3 0x4>;
+ };
+ vol-down-button {
+ debounce-interval = <50>;
+ wakeup-source;
+ linux,code = <114>;
+ label = "VOL-";
+ gpios = <&iofpga_gpio0 4 0x4>;
+ };
+ nmi-button {
+ debounce-interval = <50>;
+ wakeup-source;
+ linux,code = <99>;
+ label = "NMI";
+ gpios = <&iofpga_gpio0 5 0x4>;
+ };
+ };
+
+ bus@8000000 {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <1>;
+ ranges = <0 0x8000000 0 0x8000000 0x18000000>;
+
+ motherboard-bus@8000000 {
+ compatible = "arm,vexpress,v2p-p1", "simple-bus";
+ #address-cells = <2>; /* SMB chipselect number and offset */
+ #size-cells = <1>;
+ ranges = <0 0 0 0x08000000 0x04000000>,
+ <1 0 0 0x14000000 0x04000000>,
+ <2 0 0 0x18000000 0x04000000>,
+ <3 0 0 0x1c000000 0x04000000>,
+ <4 0 0 0x0c000000 0x04000000>,
+ <5 0 0 0x10000000 0x04000000>;
+ arm,hbi = <0x252>;
+ arm,vexpress,site = <0>;
+
+ flash@0 {
+ /* 2 * 32MiB NOR Flash memory mounted on CS0 */
+ compatible = "arm,vexpress-flash", "cfi-flash";
+ reg = <0 0x00000000 0x04000000>;
+ bank-width = <4>;
+ /*
+ * Unfortunately, accessing the flash disturbs
+ * the CPU idle states (suspend) and CPU
+ * hotplug of the platform. For this reason,
+ * flash hardware access is disabled by default.
+ */
+ status = "disabled";
+ partitions {
+ compatible = "arm,arm-firmware-suite";
+ };
+ };
+
+ ethernet@200000000 {
+ compatible = "smsc,lan9118", "smsc,lan9115";
+ reg = <2 0x00000000 0x10000>;
+ interrupts = <3>;
+ phy-mode = "mii";
+ reg-io-width = <4>;
+ smsc,irq-active-high;
+ smsc,irq-push-pull;
+ clocks = <&mb_clk25mhz>;
+ vdd33a-supply = <&mb_fixed_3v3>;
+ vddvario-supply = <&mb_fixed_3v3>;
+ };
+
+ iofpga-bus@300000000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 3 0 0x200000>;
+
+ v2m_sysctl: sysctl@20000 {
+ compatible = "arm,sp810", "arm,primecell";
+ reg = <0x020000 0x1000>;
+ clocks = <&v2m_refclk32khz>, <&v2m_refclk1mhz>, <&mb_clk24mhz>;
+ clock-names = "refclk", "timclk", "apb_pclk";
+ #clock-cells = <1>;
+ clock-output-names = "timerclken0", "timerclken1", "timerclken2", "timerclken3";
+ assigned-clocks = <&v2m_sysctl 0>, <&v2m_sysctl 1>, <&v2m_sysctl 3>, <&v2m_sysctl 3>;
+ assigned-clock-parents = <&v2m_refclk1mhz>, <&v2m_refclk1mhz>, <&v2m_refclk1mhz>, <&v2m_refclk1mhz>;
+ };
+
+ apbregs@10000 {
+ compatible = "syscon", "simple-mfd";
+ reg = <0x010000 0x1000>;
+
+ led0 {
+ compatible = "register-bit-led";
+ offset = <0x08>;
+ mask = <0x01>;
+ label = "vexpress:0";
+ linux,default-trigger = "heartbeat";
+ default-state = "on";
+ };
+ led1 {
+ compatible = "register-bit-led";
+ offset = <0x08>;
+ mask = <0x02>;
+ label = "vexpress:1";
+ linux,default-trigger = "mmc0";
+ default-state = "off";
+ };
+ led2 {
+ compatible = "register-bit-led";
+ offset = <0x08>;
+ mask = <0x04>;
+ label = "vexpress:2";
+ linux,default-trigger = "cpu0";
+ default-state = "off";
+ };
+ led3 {
+ compatible = "register-bit-led";
+ offset = <0x08>;
+ mask = <0x08>;
+ label = "vexpress:3";
+ linux,default-trigger = "cpu1";
+ default-state = "off";
+ };
+ led4 {
+ compatible = "register-bit-led";
+ offset = <0x08>;
+ mask = <0x10>;
+ label = "vexpress:4";
+ linux,default-trigger = "cpu2";
+ default-state = "off";
+ };
+ led5 {
+ compatible = "register-bit-led";
+ offset = <0x08>;
+ mask = <0x20>;
+ label = "vexpress:5";
+ linux,default-trigger = "cpu3";
+ default-state = "off";
+ };
+ led6 {
+ compatible = "register-bit-led";
+ offset = <0x08>;
+ mask = <0x40>;
+ label = "vexpress:6";
+ default-state = "off";
+ };
+ led7 {
+ compatible = "register-bit-led";
+ offset = <0x08>;
+ mask = <0x80>;
+ label = "vexpress:7";
+ default-state = "off";
+ };
+ };
+
+ mmc@50000 {
+ compatible = "arm,pl180", "arm,primecell";
+ reg = <0x050000 0x1000>;
+ interrupts = <5>;
+ /* cd-gpios = <&v2m_mmc_gpios 0 0>;
+ wp-gpios = <&v2m_mmc_gpios 1 0>; */
+ max-frequency = <12000000>;
+ vmmc-supply = <&mb_fixed_3v3>;
+ clocks = <&mb_clk24mhz>, <&soc_smc50mhz>;
+ clock-names = "mclk", "apb_pclk";
+ };
+
+ kmi@60000 {
+ compatible = "arm,pl050", "arm,primecell";
+ reg = <0x060000 0x1000>;
+ interrupts = <8>;
+ clocks = <&mb_clk24mhz>, <&soc_smc50mhz>;
+ clock-names = "KMIREFCLK", "apb_pclk";
+ };
+
+ kmi@70000 {
+ compatible = "arm,pl050", "arm,primecell";
+ reg = <0x070000 0x1000>;
+ interrupts = <8>;
+ clocks = <&mb_clk24mhz>, <&soc_smc50mhz>;
+ clock-names = "KMIREFCLK", "apb_pclk";
+ };
+
+ watchdog@f0000 {
+ compatible = "arm,sp805", "arm,primecell";
+ reg = <0x0f0000 0x10000>;
+ interrupts = <7>;
+ clocks = <&mb_clk24mhz>, <&soc_smc50mhz>;
+ clock-names = "wdog_clk", "apb_pclk";
+ };
+
+ v2m_timer01: timer@110000 {
+ compatible = "arm,sp804", "arm,primecell";
+ reg = <0x110000 0x10000>;
+ interrupts = <9>;
+ clocks = <&v2m_sysctl 0>, <&v2m_sysctl 1>, <&mb_clk24mhz>;
+ clock-names = "timclken1", "timclken2", "apb_pclk";
+ };
+
+ v2m_timer23: timer@120000 {
+ compatible = "arm,sp804", "arm,primecell";
+ reg = <0x120000 0x10000>;
+ interrupts = <9>;
+ clocks = <&v2m_sysctl 2>, <&v2m_sysctl 3>, <&mb_clk24mhz>;
+ clock-names = "timclken1", "timclken2", "apb_pclk";
+ };
+
+ rtc@170000 {
+ compatible = "arm,pl031", "arm,primecell";
+ reg = <0x170000 0x10000>;
+ interrupts = <0>;
+ clocks = <&soc_smc50mhz>;
+ clock-names = "apb_pclk";
+ };
+
+ iofpga_gpio0: gpio@1d0000 {
+ compatible = "arm,pl061", "arm,primecell";
+ reg = <0x1d0000 0x1000>;
+ interrupts = <6>;
+ clocks = <&soc_smc50mhz>;
+ clock-names = "apb_pclk";
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+ };
+ };
+ };
+};