linux_dsm_epyc7002/arch/arm/boot/dts/gemini.dtsi
Linus Walleij e3aeca1d74 ARM: dts: add PCI to the Gemini device trees
The Cortina Gemini has an internal PCI root bus, add this to
the device tree, and add interrupt mapping (swizzling) to the
relevant systems device trees.

Cc: Janos Laube <janos.dev@gmail.com>
Cc: Paulius Zaleckas <paulius.zaleckas@gmail.com>
Cc: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Feng-Hsin Chiang <john453@faraday-tech.com>
Cc: Greentime Hu <green.hu@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-03-24 19:08:03 +01:00

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/*
* Device Tree file for Cortina systems Gemini SoC
*/
/include/ "skeleton.dtsi"
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>
/ {
soc {
#address-cells = <1>;
#size-cells = <1>;
ranges;
compatible = "simple-bus";
interrupt-parent = <&intcon>;
flash@30000000 {
compatible = "cortina,gemini-flash", "cfi-flash";
syscon = <&syscon>;
bank-width = <2>;
#address-cells = <1>;
#size-cells = <1>;
status = "disabled";
};
syscon: syscon@40000000 {
compatible = "cortina,gemini-syscon", "syscon", "simple-mfd";
reg = <0x40000000 0x1000>;
syscon-reboot {
compatible = "syscon-reboot";
regmap = <&syscon>;
/* GLOBAL_RESET register */
offset = <0x0c>;
/* RESET_GLOBAL | RESET_CPU1 */
mask = <0xC0000000>;
};
};
watchdog@41000000 {
compatible = "cortina,gemini-watchdog";
reg = <0x41000000 0x1000>;
interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;
};
uart0: serial@42000000 {
compatible = "ns16550a";
reg = <0x42000000 0x100>;
clock-frequency = <48000000>;
interrupts = <18 IRQ_TYPE_LEVEL_HIGH>;
reg-shift = <2>;
};
timer@43000000 {
compatible = "cortina,gemini-timer";
reg = <0x43000000 0x1000>;
interrupt-parent = <&intcon>;
interrupts = <14 IRQ_TYPE_EDGE_FALLING>, /* Timer 1 */
<15 IRQ_TYPE_EDGE_FALLING>, /* Timer 2 */
<16 IRQ_TYPE_EDGE_FALLING>; /* Timer 3 */
syscon = <&syscon>;
};
rtc@45000000 {
compatible = "cortina,gemini-rtc";
reg = <0x45000000 0x100>;
interrupts = <17 IRQ_TYPE_LEVEL_HIGH>;
};
intcon: interrupt-controller@48000000 {
compatible = "faraday,ftintc010";
reg = <0x48000000 0x1000>;
interrupt-controller;
#interrupt-cells = <2>;
};
power-controller@4b000000 {
compatible = "cortina,gemini-power-controller";
reg = <0x4b000000 0x100>;
interrupts = <26 IRQ_TYPE_EDGE_RISING>;
};
gpio0: gpio@4d000000 {
compatible = "cortina,gemini-gpio", "faraday,ftgpio010";
reg = <0x4d000000 0x100>;
interrupts = <22 IRQ_TYPE_LEVEL_HIGH>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
};
gpio1: gpio@4e000000 {
compatible = "cortina,gemini-gpio", "faraday,ftgpio010";
reg = <0x4e000000 0x100>;
interrupts = <23 IRQ_TYPE_LEVEL_HIGH>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
};
gpio2: gpio@4f000000 {
compatible = "cortina,gemini-gpio", "faraday,ftgpio010";
reg = <0x4f000000 0x100>;
interrupts = <24 IRQ_TYPE_LEVEL_HIGH>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
};
pci@50000000 {
compatible = "cortina,gemini-pci", "faraday,ftpci100";
/*
* The first 256 bytes in the IO range is actually used
* to configure the host bridge.
*/
reg = <0x50000000 0x100>;
#address-cells = <3>;
#size-cells = <2>;
#interrupt-cells = <1>;
status = "disabled";
bus-range = <0x00 0xff>;
/* PCI ranges mappings */
ranges =
/* 1MiB I/O space 0x50000000-0x500fffff */
<0x01000000 0 0 0x50000000 0 0x00100000>,
/* 128MiB non-prefetchable memory 0x58000000-0x5fffffff */
<0x02000000 0 0x58000000 0x58000000 0 0x08000000>;
/* DMA ranges */
dma-ranges =
/* 128MiB at 0x00000000-0x07ffffff */
<0x02000000 0 0x00000000 0x00000000 0 0x08000000>,
/* 64MiB at 0x00000000-0x03ffffff */
<0x02000000 0 0x00000000 0x00000000 0 0x04000000>,
/* 64MiB at 0x00000000-0x03ffffff */
<0x02000000 0 0x00000000 0x00000000 0 0x04000000>;
/*
* This PCI host bridge variant has a cascaded interrupt
* controller embedded in the host bridge.
*/
pci_intc: interrupt-controller {
interrupt-parent = <&intcon>;
interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
interrupt-controller;
#address-cells = <0>;
#interrupt-cells = <1>;
};
};
};
};