Add eSPI nodes for the device tree of Aspeed 6th generation SoCs.
Signed-off-by: Chia-Wei, Wang <chiawei_w...@aspeedtech.com>
---
arch/arm/boot/dts/aspeed-g6.dtsi | 57 ++++++++++++++++++++++++++++++++
1 file changed, 57 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed-g6.dtsi
index 810b0676ab03..d457baf11e37 100644
--- a/arch/arm/boot/dts/aspeed-g6.dtsi
+++ b/arch/arm/boot/dts/aspeed-g6.dtsi
@@ -3,7 +3,9 @@
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/aspeed-scu-ic.h>
+#include <dt-bindings/interrupt-controller/aspeed-espi-ic.h>
#include <dt-bindings/clock/ast2600-clock.h>
+#include <dt-bindings/gpio/aspeed-gpio.h>
/ {
model = "Aspeed BMC";
@@ -75,6 +77,61 @@
interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
};
+ espi: espi@1e6ee000 {
+ compatible = "aspeed,ast2600-espi", "simple-mfd", "syscon";
+ reg = <0x1e6ee000 0x1000>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0x1e6ee000 0x1000>;
+
+ espi_ic: espi-ic {
+ #interrupt-cells = <1>;
+ compatible = "aspeed,ast2600-espi-ic";
+ interrupts-extended = <&gic GIC_SPI 42
IRQ_TYPE_LEVEL_HIGH>,
+ <&gpio0 ASPEED_GPIO(W, 7)
IRQ_TYPE_EDGE_FALLING>;
+ interrupt-controller;
+ status = "disabled";
+ };
+
+ espi_ctrl: espi-ctrl {
+ compatible = "aspeed,ast2600-espi-ctrl";
+ interrupts-extended = <&espi_ic
ASPEED_ESPI_IC_CTRL_EVENT>,
+ <&espi_ic
ASPEED_ESPI_IC_CTRL_RESET>;
+ clocks = <&syscon ASPEED_CLK_GATE_ESPICLK>;
+ resets = <&syscon ASPEED_RESET_ESPI>;
+ status = "disabled";
+ };
+
+ espi_peripheral: espi-peripheral-channel {
+ compatible = "aspeed,ast2600-espi-peripheral";
+ interrupts-extended = <&espi_ic
ASPEED_ESPI_IC_PERIF_EVENT>,
+ <&espi_ic
ASPEED_ESPI_IC_CHAN_RESET>;
+ status = "disabled";
+ };
+
+ espi_vw: espi-vw-channel {
+ compatible = "aspeed,ast2600-espi-vw";
+ interrupts-extended = <&espi_ic
ASPEED_ESPI_IC_VW_EVENT>,
+ <&espi_ic
ASPEED_ESPI_IC_CHAN_RESET>;
+ status = "disabled";
+ };
+
+ espi_oob: espi-oob-channel {
+ compatible = "aspeed,ast2600-espi-oob";
+ interrupts-extended = <&espi_ic
ASPEED_ESPI_IC_OOB_EVENT>,
+ <&espi_ic
ASPEED_ESPI_IC_CHAN_RESET>;
+ status = "disabled";
+ };
+
+ espi_flash: espi-flash-channel {
+ compatible = "aspeed,ast2600-espi-flash";
+ interrupts-extended = <&espi_ic
ASPEED_ESPI_IC_FLASH_EVENT>,
+ <&espi_ic
ASPEED_ESPI_IC_CHAN_RESET>;
+ status = "disabled";
+ };
+ };
+
ahb {
compatible = "simple-bus";
#address-cells = <1>;
--
2.17.1
