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arm/dts/aspeed: Added i2c busses and devices
Signed-off-by: Joel Stanley <joel@jms.id.au>
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Norman James
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Joel Stanley
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Nov 1, 2015
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,333 @@ | ||
| /dts-v1/; | ||
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| #include "skeleton.dtsi" | ||
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| / { | ||
| model = "Barrelye BMC"; | ||
| compatible = "rackspace,barreleye-bmc", "aspeed,ast2400"; | ||
| #address-cells = <1>; | ||
| #size-cells = <1>; | ||
| interrupt-parent = <&vic>; | ||
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| aliases { | ||
| serial0 = &uart5; | ||
| }; | ||
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| chosen { | ||
| stdout-path = &uart5; | ||
| bootargs = "console=ttyS4,38400"; | ||
| }; | ||
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| memory { | ||
| reg = < 0x40000000 0x10000000 >; | ||
| }; | ||
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| cpus { | ||
| #address-cells = <1>; | ||
| #size-cells = <0>; | ||
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| cpu@0 { | ||
| compatible = "arm,arm926ej-s"; | ||
| device_type = "cpu"; | ||
| reg = <0>; | ||
| }; | ||
| }; | ||
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| // FIXME | ||
| clocks { | ||
| // Do a proper driver... for now, we know the straps | ||
| // and uboot config on palmetto are: | ||
| // - CLKIN is 48Mhz | ||
| // - HPLL is 384Mhz | ||
| // - CPU:AHB is strapped 2:1 | ||
| // - PCLK is HPLL/8 = 48Mhz | ||
| clk_apb: clk_apb { | ||
| #clock-cells = <0>; | ||
| compatible = "fixed-clock"; | ||
| clock-frequency = <48000000>; | ||
| }; | ||
| clk_hpll: clk_hpll { | ||
| #clock-cells = <0>; | ||
| compatible = "fixed-clock"; | ||
| clock-frequency = <384000000>; | ||
| }; | ||
| }; | ||
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| ahb { | ||
| compatible = "simple-bus"; | ||
| #address-cells = <1>; | ||
| #size-cells = <1>; | ||
| ranges; | ||
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| vic: interrupt-controller@1e6c0080 { | ||
| compatible = "aspeed,new-vic"; | ||
| interrupt-controller; | ||
| #interrupt-cells = <1>; | ||
| valid-sources = < 0xffffffff 0x0007ffff>; | ||
| reg = <0x1e6c0080 0x80>; | ||
| }; | ||
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| mac0: ethernet@1e660000 { | ||
| compatible = "faraday,ftgmac100", "aspeed,ast2400-mac"; | ||
| reg = <0x1e660000 0x180>; | ||
| interrupts = <2>; | ||
| use-nc-si; | ||
| no-hw-checksum; | ||
| }; | ||
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| apb { | ||
| compatible = "simple-bus"; | ||
| #address-cells = <1>; | ||
| #size-cells = <1>; | ||
| ranges; | ||
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| sram@1e72000 { | ||
| compatible = "mmio-sram"; | ||
| reg = <0x1e72000 0x8000>; // 32K | ||
| }; | ||
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| ibt@1e789140 { | ||
| compatible = "aspeed,bt-host"; | ||
| reg = <0x1e789140 0x18>; | ||
| }; | ||
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| i2c: i2c@1e78a040 { | ||
| compatible = "aspeed,ast2400-i2c-common"; | ||
| reg = <0x1e78a000 0x40>; | ||
| ranges = <0 0x1e78a000 0x1000>; | ||
| interrupts = <12>; | ||
| clocks = <&clk_apb>; | ||
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| i2c0: i2c-bus@0x40 { | ||
| reg = <0x40 0x40>; | ||
| compatible = "aspeed,ast2400-i2c-bus"; | ||
| bus = <0>; | ||
| clock-frequency = <100000>; | ||
| status = "okay"; | ||
| eeprom@50 { | ||
| compatible = "atmel,24c256"; | ||
| reg = <0x50>; | ||
| pagesize = <64>; | ||
| }; | ||
| rtc@68 { | ||
| compatible = "dallas,ds3231"; | ||
| reg = <0x68>; | ||
| // interrupts = <GPIOF0> | ||
| }; | ||
| lm75@4a { | ||
| compatible = "national,lm75"; | ||
| reg = <0x4a>; | ||
| }; | ||
| }; | ||
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| i2c1: i2c-bus@0x80 { | ||
| reg = <0x80 0x40>; | ||
| compatible = "aspeed,ast2400-i2c-bus"; | ||
| bus = <1>; | ||
| clock-frequency = <100000>; | ||
| status = "okay"; | ||
| }; | ||
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| i2c2: i2c-bus@0xC0 { | ||
| reg = <0xC0 0x40>; | ||
| compatible = "aspeed,ast2400-i2c-bus"; | ||
| bus = <2>; | ||
| clock-frequency = <100000>; | ||
| status = "okay"; | ||
| }; | ||
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| i2c3: i2c-bus@0x100 { | ||
| reg = <0x100 0x40>; | ||
| compatible = "aspeed,ast2400-i2c-bus"; | ||
| bus = <3>; | ||
| clock-frequency = <100000>; | ||
| status = "okay"; | ||
| }; | ||
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| i2c4: i2c-bus@0x140 { | ||
| reg = <0x140 0x40>; | ||
| compatible = "aspeed,ast2400-i2c-bus"; | ||
| bus = <4>; | ||
| clock-frequency = <100000>; | ||
| status = "okay"; | ||
| }; | ||
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| i2c5: i2c-bus@0x180 { | ||
| reg = <0x180 0x40>; | ||
| compatible = "aspeed,ast2400-i2c-bus"; | ||
| bus = <5>; | ||
| clock-frequency = <100000>; | ||
| status = "okay"; | ||
| }; | ||
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| i2c6: i2c-bus@0x1C0 { | ||
| reg = <0x1C0 0x40>; | ||
| compatible = "aspeed,ast2400-i2c-bus"; | ||
| bus = <6>; | ||
| clock-frequency = <100000>; | ||
| status = "okay"; | ||
| nct7904@2d { | ||
| compatible = "nuvoton,nct7904"; | ||
| reg = <0x2d>; | ||
| }; | ||
| nct7904@2e { | ||
| compatible = "nuvoton,nct7904"; | ||
| reg = <0x2e>; | ||
| }; | ||
| }; | ||
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| i2c7: i2c-bus@0x300 { | ||
| reg = <0x300 0x40>; | ||
| compatible = "aspeed,ast2400-i2c-bus"; | ||
| bus = <7>; | ||
| clock-frequency = <100000>; | ||
| status = "okay"; | ||
| }; | ||
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| i2c8: i2c-bus@0x340 { | ||
| reg = <0x340 0x40>; | ||
| compatible = "aspeed,ast2400-i2c-bus"; | ||
| bus = <8>; | ||
| clock-frequency = <100000>; | ||
| status = "okay"; | ||
| }; | ||
|
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| i2c9: i2c-bus@0x380 { | ||
| reg = <0x380 0x40>; | ||
| compatible = "aspeed,ast2400-i2c-bus"; | ||
| bus = <9>; | ||
| clock-frequency = <100000>; | ||
| status = "disabled"; | ||
| }; | ||
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| i2c10: i2c-bus@0x3C0 { | ||
| reg = <0x380 0x40>; | ||
| compatible = "aspeed,ast2400-i2c-bus"; | ||
| bus = <10>; | ||
| clock-frequency = <100000>; | ||
| status = "disabled"; | ||
| }; | ||
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| i2c11: i2c-bus@0x400 { | ||
| reg = <0x400 0x40>; | ||
| compatible = "aspeed,ast2400-i2c-bus"; | ||
| bus = <11>; | ||
| clock-frequency = <100000>; | ||
| status = "disabled"; | ||
| }; | ||
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| i2c12: i2c-bus@0x440 { | ||
| reg = <0x400 0x40>; | ||
| compatible = "aspeed,ast2400-i2c-bus"; | ||
| bus = <12>; | ||
| clock-frequency = <100000>; | ||
| status = "disabled"; | ||
| }; | ||
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| i2c13: i2c-bus@0x480 { | ||
| reg = <0x480 0x40>; | ||
| compatible = "aspeed,ast2400-i2c-bus"; | ||
| bus = <13>; | ||
| clock-frequency = <100000>; | ||
| status = "disabled"; | ||
| }; | ||
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| }; | ||
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| syscon: syscon@1e6e2000 { | ||
| compatible = "aspeed,syscon", "syscon"; | ||
| reg = <0x1e6e2000 0x1a8>; | ||
| interrupts = <19>; | ||
| clocks = <&clk_apb>; | ||
| status = "okay"; | ||
| }; | ||
|
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| wdt: wdt@1e785000 { | ||
| compatible = "aspeed,wdt", "wdt"; | ||
| reg = <0x1e785000 0x1c4>; | ||
| interrupts = <27>; | ||
| clocks = <&clk_apb>; | ||
| }; | ||
|
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| rtc: rtc@1e781000 { | ||
| compatible = "aspeed,rtc"; | ||
| reg = <0x1e781000 0x18>; | ||
| }; | ||
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| timer: timer@98400000 { | ||
| compatible = "aspeed,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>; | ||
| }; | ||
|
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| gpio: gpio@1e780000 { | ||
| compatible = "aspeed,ast2400-gpio"; | ||
| reg = <0x1e780000 0x1000>; | ||
| interrupts = <20>; | ||
| }; | ||
|
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| uart1: serial@1e783000 { | ||
| compatible = "ns16550a"; | ||
| reg = <0x1e783000 0x1000>; | ||
| reg-shift = <2>; | ||
| interrupts = <9>; | ||
| clock-frequency = < 1843200 >; | ||
| no-loopback-test; | ||
| }; | ||
| uart2: serial@1e78d000 { | ||
| compatible = "ns16550a"; | ||
| reg = <0x1e78d000 0x1000>; | ||
| reg-shift = <2>; | ||
| interrupts = <32>; | ||
| clock-frequency = < 1843200 >; | ||
| no-loopback-test; | ||
| }; | ||
| /* APSS UART */ | ||
| uart3: serial@1e78e000 { | ||
| compatible = "ns16550a"; | ||
| reg = <0x1e78e000 0x1000>; | ||
| reg-shift = <2>; | ||
| interrupts = <33>; | ||
| clock-frequency = < 1843200 >; | ||
| no-loopback-test; | ||
| }; | ||
|
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||
| /* Host UART */ | ||
| uart4: serial@1e78f000 { | ||
| compatible = "ns16550a"; | ||
| reg = <0x1e78f000 0x1000>; | ||
| reg-shift = <2>; | ||
| interrupts = <34>; | ||
| clock-frequency = < 1843200 >; | ||
| current-speed = < 115200 >; | ||
| no-loopback-test; | ||
| }; | ||
| #if 1 | ||
| /* BMC UART */ | ||
| uart5: serial@1e784000 { | ||
| compatible = "ns16550a"; | ||
| reg = <0x1e784000 0x1000>; | ||
| reg-shift = <2>; | ||
| interrupts = <10>; | ||
| clock-frequency = < 1843200 >; | ||
| current-speed = < 38400 >; | ||
| no-loopback-test; | ||
| }; | ||
| #endif | ||
|
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| uart6: serial@1e787000 { | ||
| compatible = "ns16550a"; | ||
| reg = <0x1e787000 0x1000>; | ||
| reg-shift = <2>; | ||
| interrupts = <10>; | ||
| clock-frequency = < 1843200 >; | ||
| current-speed = < 38400 >; | ||
| no-loopback-test; | ||
| }; | ||
| }; | ||
| }; | ||
| }; |
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