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author | Joel Stanley <joel@jms.id.au> | 2016-03-16 11:33:37 (GMT) |
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committer | Joel Stanley <joel@jms.id.au> | 2016-05-09 08:11:58 (GMT) |
commit | d44a1138cd829d232899ef4fe5cd59e861ed3984 (patch) | |
tree | 62f464ebf2cbe041df94d50fe14017bfb15a3d63 /arch/arm/boot/dts | |
parent | 5f1a7ab28e92e082dd8155961a0fe26db04c4f49 (diff) | |
download | linux-d44a1138cd829d232899ef4fe5cd59e861ed3984.tar.xz |
arm/dts: Add Aspeed ast2400 device tree
A common device tree for all forth gen/ast2400 systems and a board
specific dts for the Palmetto OpenPower developemnt machine which was
used for testing.
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'arch/arm/boot/dts')
-rw-r--r-- | arch/arm/boot/dts/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts | 25 | ||||
-rw-r--r-- | arch/arm/boot/dts/aspeed-g4.dtsi | 161 |
3 files changed, 187 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 95c1923..dee3a92 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -839,6 +839,7 @@ 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 endif dtstree := $(srctree)/$(src) diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts b/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts new file mode 100644 index 0000000..cc5fcf2 --- /dev/null +++ b/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts @@ -0,0 +1,25 @@ +/dts-v1/; + +#include "aspeed-g4.dtsi" + +/ { + model = "Palmetto BMC"; + compatible = "tyan,palmetto-bmc", "aspeed,ast2400"; + + aliases { + serial4 = &uart5; + }; + + chosen { + stdout-path = &uart5; + bootargs = "console=ttyS4,38400 earlyprintk"; + }; + + memory { + reg = <0x40000000 0x10000000>; + }; +}; + +&uart5 { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/aspeed-g4.dtsi b/arch/arm/boot/dts/aspeed-g4.dtsi new file mode 100644 index 0000000..22dee59 --- /dev/null +++ b/arch/arm/boot/dts/aspeed-g4.dtsi @@ -0,0 +1,161 @@ +#include "skeleton.dtsi" + +/ { + model = "Aspeed BMC"; + compatible = "aspeed,ast2400"; + #address-cells = <1>; + #size-cells = <1>; + interrupt-parent = <&vic>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "arm,arm926ej-s"; + device_type = "cpu"; + reg = <0>; + }; + }; + + clocks { + clk_clkin: clk_clkin { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <48000000>; + }; + + }; + + 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 = <0xffffffff 0x0007ffff>; + reg = <0x1e6c0080 0x80>; + }; + + apb { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + clk_hpll: clk_hpll@1e6e2070 { + #clock-cells = <0>; + compatible = "aspeed,g4-hpll-clock"; + reg = <0x1e6e2070 0x4>; + clocks = <&clk_clkin>; + }; + + clk_apb: clk_apb@1e6e2008 { + #clock-cells = <0>; + compatible = "aspeed,g4-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 0x8000>; // 32K + }; + + 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>; + clocks = <&clk_apb>; + 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"; + }; + }; + }; +}; |