summaryrefslogtreecommitdiffstats
path: root/arch/arm/boot/dts/integratorap.dts
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/boot/dts/integratorap.dts')
-rw-r--r--arch/arm/boot/dts/integratorap.dts295
1 files changed, 295 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/integratorap.dts b/arch/arm/boot/dts/integratorap.dts
new file mode 100644
index 000000000..9148287fa
--- /dev/null
+++ b/arch/arm/boot/dts/integratorap.dts
@@ -0,0 +1,295 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree for the ARM Integrator/AP platform
+ */
+
+/dts-v1/;
+#include "integrator.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+ model = "ARM Integrator/AP";
+ compatible = "arm,integrator-ap";
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ /*
+ * Since the board has pluggable CPU modules, we
+ * cannot define a proper compatible here. Let the
+ * boot loader fill in the apropriate compatible
+ * string if necessary.
+ */
+ /* compatible = "arm,arm926ej-s"; */
+ reg = <0>;
+ /*
+ * The documentation in ARM DUI 0138E page 3-12 states
+ * that the maximum frequency for this clock is 200 MHz
+ * but painful trial-and-error has proved to me that it
+ * is actually just hanging the system above 71 MHz.
+ * Sad but true.
+ */
+ /* kHz uV */
+ operating-points = <71000 0
+ 66000 0
+ 60000 0
+ 48000 0
+ 36000 0
+ 24000 0
+ 12000 0>;
+ clocks = <&cmosc>;
+ clock-names = "cpu";
+ clock-latency = <1000000>; /* 1 ms */
+ };
+ };
+
+ aliases {
+ arm,timer-primary = &timer2;
+ arm,timer-secondary = &timer1;
+ };
+
+ chosen {
+ bootargs = "root=/dev/ram0 console=ttyAM0,38400n8 earlyprintk";
+ };
+
+ /* 24 MHz chrystal on the Integrator/AP development board */
+ xtal24mhz: xtal24mhz@24M {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <24000000>;
+ };
+
+ pclk: pclk@0 {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clock-div = <1>;
+ clock-mult = <1>;
+ clocks = <&xtal24mhz>;
+ };
+
+ /* The UART clock is 14.74 MHz divided by an ICS525 */
+ uartclk: uartclk@14.74M {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <14745600>;
+ clocks = <&xtal24mhz>;
+ };
+
+ core-module@10000000 {
+ /* 24 MHz chrystal on the core module */
+ cm24mhz: cm24mhz@24M {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <24000000>;
+ };
+
+ /* Oscillator on the core module, clocks the CPU core */
+ cmosc: clock-controller@8 {
+ compatible = "arm,syscon-icst525-integratorap-cm";
+ reg = <0x08 0x04>;
+ #clock-cells = <0>;
+ lock-offset = <0x14>;
+ vco-offset = <0x08>;
+ clocks = <&cm24mhz>;
+ };
+
+ /* Auxilary oscillator on the core module, 32.369MHz at boot */
+ auxosc: clock-controller@1c {
+ compatible = "arm,syscon-icst525";
+ reg = <0x1c 0x04>;
+ #clock-cells = <0>;
+ lock-offset = <0x14>;
+ vco-offset = <0x1c>;
+ clocks = <&cm24mhz>;
+ };
+ };
+
+ syscon {
+ compatible = "arm,integrator-ap-syscon", "syscon";
+ reg = <0x11000000 0x100>;
+ ranges = <0x0 0x11000000 0x100>;
+ #size-cells = <1>;
+ #address-cells = <1>;
+
+ /*
+ * SYSCLK clocks PCIv3 bridge, system controller and the
+ * logic modules.
+ */
+ sysclk: clock-controller@4 {
+ compatible = "arm,syscon-icst525-integratorap-sys";
+ reg = <0x04 0x04>;
+ #clock-cells = <0>;
+ lock-offset = <0x1c>;
+ vco-offset = <0x04>;
+ clocks = <&xtal24mhz>;
+ };
+
+ /* One-bit control for the PCI bus clock (33 or 25 MHz) */
+ pciclk: clock-controller@4,8 {
+ compatible = "arm,syscon-icst525-integratorap-pci";
+ reg = <0x04 0x04>;
+ #clock-cells = <0>;
+ lock-offset = <0x1c>;
+ vco-offset = <0x04>;
+ clocks = <&xtal24mhz>;
+ };
+ };
+
+ timer0: timer@13000000 {
+ compatible = "arm,integrator-timer";
+ clocks = <&xtal24mhz>;
+ };
+
+ timer1: timer@13000100 {
+ compatible = "arm,integrator-timer";
+ clocks = <&xtal24mhz>;
+ };
+
+ timer2: timer@13000200 {
+ compatible = "arm,integrator-timer";
+ clocks = <&xtal24mhz>;
+ };
+
+ pic: pic@14000000 {
+ valid-mask = <0x003fffff>;
+ };
+
+ pci: pciv3@62000000 {
+ compatible = "arm,integrator-ap-pci", "v3,v360epc-pci";
+ device_type = "pci";
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ #address-cells = <3>;
+ /* Bridge registers and config access space */
+ reg = <0x62000000 0x10000>, <0x61000000 0x01000000>;
+ interrupt-parent = <&pic>;
+ interrupts = <17>; /* Bus error IRQ */
+ clocks = <&pciclk>;
+ bus-range = <0x00 0xff>;
+ ranges = <0x01000000 0 0x0000000 /* I/O space @00000000 */
+ 0x60000000 0 0x00010000 /* 64 KB @ LB 60000000 */
+ 0x02000000 0 0x40000000 /* non-prefectable memory @40000000 */
+ 0x40000000 0 0x10000000 /* 256 MiB @ LB 40000000 1:1 */
+ 0x42000000 0 0x50000000 /* prefetchable memory @50000000 */
+ 0x50000000 0 0x10000000>; /* 256 MiB @ LB 50000000 1:1 */
+ dma-ranges = <0x02000000 0 0x20000000 /* EBI memory space */
+ 0x20000000 0 0x20000000 /* 512 MB @ LB 20000000 1:1 */
+ 0x02000000 0 0x80000000 /* Core module alias memory */
+ 0x80000000 0 0x40000000>; /* 1GB @ LB 80000000 */
+ interrupt-map-mask = <0xf800 0 0 0x7>;
+ interrupt-map = <
+ /* IDSEL 9 */
+ 0x4800 0 0 1 &pic 13 /* INT A on slot 9 is irq 13 */
+ 0x4800 0 0 2 &pic 14 /* INT B on slot 9 is irq 14 */
+ 0x4800 0 0 3 &pic 15 /* INT C on slot 9 is irq 15 */
+ 0x4800 0 0 4 &pic 16 /* INT D on slot 9 is irq 16 */
+ /* IDSEL 10 */
+ 0x5000 0 0 1 &pic 14 /* INT A on slot 10 is irq 14 */
+ 0x5000 0 0 2 &pic 15 /* INT B on slot 10 is irq 15 */
+ 0x5000 0 0 3 &pic 16 /* INT C on slot 10 is irq 16 */
+ 0x5000 0 0 4 &pic 13 /* INT D on slot 10 is irq 13 */
+ /* IDSEL 11 */
+ 0x5800 0 0 1 &pic 15 /* INT A on slot 11 is irq 15 */
+ 0x5800 0 0 2 &pic 16 /* INT B on slot 11 is irq 16 */
+ 0x5800 0 0 3 &pic 13 /* INT C on slot 11 is irq 13 */
+ 0x5800 0 0 4 &pic 14 /* INT D on slot 11 is irq 14 */
+ /* IDSEL 12 */
+ 0x6000 0 0 1 &pic 16 /* INT A on slot 12 is irq 16 */
+ 0x6000 0 0 2 &pic 13 /* INT B on slot 12 is irq 13 */
+ 0x6000 0 0 3 &pic 14 /* INT C on slot 12 is irq 14 */
+ 0x6000 0 0 4 &pic 15 /* INT D on slot 12 is irq 15 */
+ >;
+ };
+
+ fpga {
+ /*
+ * The Integator/AP predates the idea to have magic numbers
+ * identifying the PrimeCell in hardware, thus we have to
+ * supply these from the device tree.
+ */
+ rtc: rtc@15000000 {
+ compatible = "arm,pl030", "arm,primecell";
+ arm,primecell-periphid = <0x00041030>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
+ };
+
+ uart0: uart@16000000 {
+ compatible = "arm,pl010", "arm,primecell";
+ arm,primecell-periphid = <0x00041010>;
+ clocks = <&uartclk>, <&pclk>;
+ clock-names = "uartclk", "apb_pclk";
+ };
+
+ uart1: uart@17000000 {
+ compatible = "arm,pl010", "arm,primecell";
+ arm,primecell-periphid = <0x00041010>;
+ clocks = <&uartclk>, <&pclk>;
+ clock-names = "uartclk", "apb_pclk";
+ };
+
+ kmi0: kmi@18000000 {
+ compatible = "arm,pl050", "arm,primecell";
+ arm,primecell-periphid = <0x00041050>;
+ clocks = <&xtal24mhz>, <&pclk>;
+ clock-names = "KMIREFCLK", "apb_pclk";
+ };
+
+ kmi1: kmi@19000000 {
+ compatible = "arm,pl050", "arm,primecell";
+ arm,primecell-periphid = <0x00041050>;
+ clocks = <&xtal24mhz>, <&pclk>;
+ clock-names = "KMIREFCLK", "apb_pclk";
+ };
+ };
+
+ /*
+ * Logic module bus, we support up to 4 logical modules
+ * They appear at 0xc0000000, 0xd0000000, 0xe0000000 and 0xf0000000
+ * and use interrupts 9, 10, 11 and 12 respectively.
+ */
+ bus@c0000000 {
+ compatible = "arm,integrator-ap-lm";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0xc0000000 0xc0000000 0x40000000>;
+ dma-ranges;
+
+ lm0: bus@c0000000 {
+ compatible = "simple-bus";
+ ranges = <0x00000000 0xc0000000 0x10000000>;
+ dma-ranges = <0x00000000 0xc0000000 0x10000000>;
+ reg = <0xc0000000 0x10000000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ };
+ lm1: bus@d0000000 {
+ compatible = "simple-bus";
+ ranges = <0x00000000 0xd0000000 0x10000000>;
+ dma-ranges = <0x00000000 0xd0000000 0x10000000>;
+ reg = <0xd0000000 0x10000000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ };
+ lm2: bus@e0000000 {
+ compatible = "simple-bus";
+ ranges = <0x00000000 0xe0000000 0x10000000>;
+ dma-ranges = <0x00000000 0xe0000000 0x10000000>;
+ reg = <0xe0000000 0x10000000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ };
+ lm3: bus@f0000000 {
+ compatible = "simple-bus";
+ ranges = <0x00000000 0xf0000000 0x10000000>;
+ dma-ranges = <0x00000000 0xf0000000 0x10000000>;
+ reg = <0xf0000000 0x10000000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ };
+ };
+};