From 02440622656d26a0d68308db9e4ce1d2510f6530 Mon Sep 17 00:00:00 2001 From: Joel Stanley Date: Sun, 17 Apr 2016 15:50:56 +0930 Subject: [PATCH] arm/dst: Add Aspeed ast2500 device tree This adds a common device tree for all fifth generation Aspeed systems, and a board specific device tree for the ast2500 evaluation board. Signed-off-by: Joel Stanley --- arch/arm/boot/dts/Makefile | 3 +- arch/arm/boot/dts/aspeed-ast2500-evb.dts | 25 ++++ arch/arm/boot/dts/aspeed-g5.dtsi | 170 +++++++++++++++++++++++ 3 files changed, 197 insertions(+), 1 deletion(-) create mode 100644 arch/arm/boot/dts/aspeed-ast2500-evb.dts create mode 100644 arch/arm/boot/dts/aspeed-g5.dtsi diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index dee3a92cbd3c..98251828883f 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -839,7 +839,8 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \ mt8127-moose.dtb \ mt8135-evbp1.dtb dtb-$(CONFIG_ARCH_ZX) += zx296702-ad1.dtb -dtb-$(CONFIG_ARCH_ASPEED) += aspeed-bmc-opp-palmetto.dtb +dtb-$(CONFIG_ARCH_ASPEED) += aspeed-bmc-opp-palmetto.dtb \ + aspeed-ast2500-evb.dtb endif dtstree := $(srctree)/$(src) diff --git a/arch/arm/boot/dts/aspeed-ast2500-evb.dts b/arch/arm/boot/dts/aspeed-ast2500-evb.dts new file mode 100644 index 000000000000..1b7a5ff0e533 --- /dev/null +++ b/arch/arm/boot/dts/aspeed-ast2500-evb.dts @@ -0,0 +1,25 @@ +/dts-v1/; + +#include "aspeed-g5.dtsi" + +/ { + model = "AST2500 EVB"; + compatible = "aspeed,ast2500"; + + aliases { + serial4 = &uart5; + }; + + chosen { + stdout-path = &uart5; + bootargs = "console=ttyS4,115200 earlyprintk"; + }; + + memory { + reg = <0x80000000 0x20000000>; + }; +}; + +&uart5 { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/aspeed-g5.dtsi b/arch/arm/boot/dts/aspeed-g5.dtsi new file mode 100644 index 000000000000..dd94d9361fda --- /dev/null +++ b/arch/arm/boot/dts/aspeed-g5.dtsi @@ -0,0 +1,170 @@ +#include "skeleton.dtsi" + +/ { + model = "Aspeed BMC"; + compatible = "aspeed,ast2500"; + #address-cells = <1>; + #size-cells = <1>; + interrupt-parent = <&vic>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "arm,arm1176jzf-s"; + device_type = "cpu"; + reg = <0>; + }; + }; + + ahb { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + vic: interrupt-controller@1e6c0080 { + compatible = "aspeed,ast2400-vic"; + interrupt-controller; + #interrupt-cells = <1>; + valid-sources = <0xfefff7ff 0x0807ffff>; + reg = <0x1e6c0080 0x80>; + }; + + apb { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + clk_clkin: clk_clkin@1e6e2070 { + #clock-cells = <0>; + compatible = "aspeed,g5-clkin-clock"; + reg = <0x1e6e2070 0x04>; + }; + + clk_hpll: clk_hpll@1e6e2024 { + #clock-cells = <0>; + compatible = "aspeed,g5-hpll-clock"; + reg = <0x1e6e2024 0x4>; + clocks = <&clk_clkin>; + }; + + clk_ahb: clk_ahb@1e6e2070 { + #clock-cells = <0>; + compatible = "aspeed,g5-ahb-clock"; + reg = <0x1e6e2070 0x4>; + clocks = <&clk_hpll>; + }; + + clk_apb: clk_apb@1e6e2008 { + #clock-cells = <0>; + compatible = "aspeed,g5-apb-clock"; + reg = <0x1e6e2008 0x4>; + clocks = <&clk_hpll>; + }; + + clk_uart: clk_uart@1e6e2008 { + #clock-cells = <0>; + compatible = "aspeed,uart-clock"; + reg = <0x1e6e202c 0x4>; + }; + + sram@1e720000 { + compatible = "mmio-sram"; + reg = <0x1e720000 0x9000>; // 36K + }; + + timer: timer@1e782000 { + compatible = "aspeed,ast2400-timer"; + reg = <0x1e782000 0x90>; + // The moxart_timer driver registers only one + // interrupt and assumes it's for timer 1 + //interrupts = <16 17 18 35 36 37 38 39>; + interrupts = <16>; + clocks = <&clk_apb>; + }; + + wdt1: wdt@1e785000 { + compatible = "aspeed,wdt"; + reg = <0x1e785000 0x1c>; + interrupts = <27>; + }; + + wdt2: wdt@1e785020 { + compatible = "aspeed,wdt"; + reg = <0x1e785020 0x1c>; + interrupts = <27>; + status = "disabled"; + }; + + wdt3: wdt@1e785040 { + compatible = "aspeed,wdt"; + reg = <0x1e785074 0x1c>; + status = "disabled"; + }; + + uart1: serial@1e783000 { + compatible = "ns16550a"; + reg = <0x1e783000 0x1000>; + reg-shift = <2>; + interrupts = <9>; + clocks = <&clk_uart>; + no-loopback-test; + status = "disabled"; + }; + + uart2: serial@1e78d000 { + compatible = "ns16550a"; + reg = <0x1e78d000 0x1000>; + reg-shift = <2>; + interrupts = <32>; + clocks = <&clk_uart>; + no-loopback-test; + status = "disabled"; + }; + + uart3: serial@1e78e000 { + compatible = "ns16550a"; + reg = <0x1e78e000 0x1000>; + reg-shift = <2>; + interrupts = <33>; + clocks = <&clk_uart>; + no-loopback-test; + status = "disabled"; + }; + + uart4: serial@1e78f000 { + compatible = "ns16550a"; + reg = <0x1e78f000 0x1000>; + reg-shift = <2>; + interrupts = <34>; + clocks = <&clk_uart>; + no-loopback-test; + status = "disabled"; + }; + + uart5: serial@1e784000 { + compatible = "ns16550a"; + reg = <0x1e784000 0x1000>; + reg-shift = <2>; + interrupts = <10>; + clocks = <&clk_uart>; + current-speed = <38400>; + no-loopback-test; + status = "disabled"; + }; + + uart6: serial@1e787000 { + compatible = "ns16550a"; + reg = <0x1e787000 0x1000>; + reg-shift = <2>; + interrupts = <10>; + clocks = <&clk_uart>; + no-loopback-test; + status = "disabled"; + }; + }; + }; +};