From 21c75328866deaa17e52bd7982d8e28ba0ce38b5 Mon Sep 17 00:00:00 2001 From: Duc Dang Date: Wed, 12 Aug 2015 17:01:12 -0700 Subject: [PATCH 01/10] MAINTAINERS: Add Applied Micro (APM) X-Gene Device Tree maintainer This patch adds information of maintainers for Applied Micro (APM) X-Gene device tree. Signed-off-by: Duc Dang --- MAINTAINERS | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 7ba7ab749c85..280501367001 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -789,6 +789,11 @@ S: Maintained F: drivers/net/appletalk/ F: net/appletalk/ +APPLIED MICRO (APM) X-GENE DEVICE TREE SUPPORT +M: Duc Dang +S: Supported +F: arch/arm64/boot/dts/apm/ + APPLIED MICRO (APM) X-GENE SOC ETHERNET DRIVER M: Iyappan Subramanian M: Keyur Chudgar From c5251136031e615aafd5b36589a2729ca6589612 Mon Sep 17 00:00:00 2001 From: Feng Kan Date: Thu, 13 Nov 2014 16:19:56 -0800 Subject: [PATCH 02/10] Documentation: arm64: add SCU dts binding documentation to linux kernel This add documentation for the SCU system clock unit device tree binding to the kernel. Signed-off-by: Feng Kan --- .../devicetree/bindings/arm/apm/scu.txt | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/apm/scu.txt diff --git a/Documentation/devicetree/bindings/arm/apm/scu.txt b/Documentation/devicetree/bindings/arm/apm/scu.txt new file mode 100644 index 000000000000..b45be06625fd --- /dev/null +++ b/Documentation/devicetree/bindings/arm/apm/scu.txt @@ -0,0 +1,17 @@ +APM X-GENE SoC series SCU Registers + +This system clock unit contain various register that control block resets, +clock enable/disables, clock divisors and other deepsleep registers. + +Properties: + - compatible : should contain two values. First value must be: + - "apm,xgene-scu" + second value must be always "syscon". + + - reg : offset and length of the register set. + +Example : + scu: system-clk-controller@17000000 { + compatible = "apm,xgene-scu","syscon"; + reg = <0x0 0x17000000 0x0 0x400>; + }; From 5c3a87e363c09242541620a777d5b73e89b6c245 Mon Sep 17 00:00:00 2001 From: Feng Kan Date: Tue, 11 Aug 2015 17:39:36 -0700 Subject: [PATCH 03/10] arm64: dts: Add X-Gene reboot driver dts node This patch add dts nodes for X-Gene platforms to use generic SYSCON regmap reset driver for its reset operation. [dhdang: changelog] Signed-off-by: Feng Kan Signed-off-by: Duc Dang --- arch/arm64/boot/dts/apm/apm-storm.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi index d831bc2ac204..c50a27f9d2ff 100644 --- a/arch/arm64/boot/dts/apm/apm-storm.dtsi +++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi @@ -396,6 +396,18 @@ 0x0 0x1f 0x4>; }; + scu: system-clk-controller@17000000 { + compatible = "apm,xgene-scu","syscon"; + reg = <0x0 0x17000000 0x0 0x400>; + }; + + reboot: reboot@17000014 { + compatible = "syscon-reboot"; + regmap = <&scu>; + offset = <0x14>; + mask = <0x1>; + }; + csw: csw@7e200000 { compatible = "apm,xgene-csw", "syscon"; reg = <0x0 0x7e200000 0x0 0x1000>; From 94d6ba285f561cd4382b2410fcbf8820056de34e Mon Sep 17 00:00:00 2001 From: Tai Nguyen Date: Wed, 12 Aug 2015 12:32:32 -0700 Subject: [PATCH 04/10] power: reset: Add syscon poweroff device node for APM X-Gene platform This patch adds syscon poweroff device node to support poweroff feature on APM X-Gene Mustang platform Signed-off-by: Tai Nguyen Tested-by: dann frazier Acked-by: Moritz Fischer --- arch/arm64/boot/dts/apm/apm-mustang.dts | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/apm/apm-mustang.dts b/arch/arm64/boot/dts/apm/apm-mustang.dts index 4c55833d8a41..01cdeda93c3a 100644 --- a/arch/arm64/boot/dts/apm/apm-mustang.dts +++ b/arch/arm64/boot/dts/apm/apm-mustang.dts @@ -33,6 +33,18 @@ interrupts = <0x0 0x2d 0x1>; }; }; + + poweroff_mbox: poweroff_mbox@10548000 { + compatible = "syscon"; + reg = <0x0 0x10548000 0x0 0x30>; + }; + + poweroff: poweroff@10548010 { + compatible = "syscon-poweroff"; + regmap = <&poweroff_mbox>; + offset = <0x10>; + mask = <0x1>; + }; }; &pcie0clk { From e144dc5b8fadb1ca6d4c429aeae51a9f51d88b0e Mon Sep 17 00:00:00 2001 From: Feng Kan Date: Mon, 18 May 2015 17:56:16 -0700 Subject: [PATCH 05/10] arm64: dts: add APM Merlin Board device tree This patch adds the support for APM Merlin board. The Merlin board is based on the APM X-Gene Shadowcat SoC. This DTS enables PMU, Ethernet, SATA and Serial. [dhdang: remove pcie0 node] Signed-off-by: Feng Kan Signed-off-by: Duc Dang --- arch/arm64/boot/dts/apm/Makefile | 1 + arch/arm64/boot/dts/apm/apm-merlin.dts | 50 +++++ arch/arm64/boot/dts/apm/apm-shadowcat.dtsi | 244 +++++++++++++++++++++ 3 files changed, 295 insertions(+) create mode 100644 arch/arm64/boot/dts/apm/apm-merlin.dts create mode 100644 arch/arm64/boot/dts/apm/apm-shadowcat.dtsi diff --git a/arch/arm64/boot/dts/apm/Makefile b/arch/arm64/boot/dts/apm/Makefile index a2afabbc1717..c75f17a49471 100644 --- a/arch/arm64/boot/dts/apm/Makefile +++ b/arch/arm64/boot/dts/apm/Makefile @@ -1,4 +1,5 @@ dtb-$(CONFIG_ARCH_XGENE) += apm-mustang.dtb +dtb-$(CONFIG_ARCH_XGENE) += apm-merlin.dtb always := $(dtb-y) subdir-y := $(dts-dirs) diff --git a/arch/arm64/boot/dts/apm/apm-merlin.dts b/arch/arm64/boot/dts/apm/apm-merlin.dts new file mode 100644 index 000000000000..a20ef5b27c6d --- /dev/null +++ b/arch/arm64/boot/dts/apm/apm-merlin.dts @@ -0,0 +1,50 @@ +/* + * dts file for AppliedMicro (APM) Merlin Board + * + * Copyright (C) 2015, Applied Micro Circuits Corporation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + */ + +/dts-v1/; + +/include/ "apm-shadowcat.dtsi" + +/ { + model = "APM X-Gene Merlin board"; + compatible = "apm,merlin", "apm,xgene-shadowcat"; + + chosen { }; + + memory { + device_type = "memory"; + reg = < 0x1 0x00000000 0x0 0x80000000 >; + }; +}; + +&serial0 { + status = "ok"; +}; + +&sata1 { + status = "ok"; +}; + +&sata2 { + status = "ok"; +}; + +&sata3 { + status = "ok"; +}; + +&sgenet0 { + status = "ok"; +}; + +&xgenet1 { + status = "ok"; +}; diff --git a/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi new file mode 100644 index 000000000000..b474aa03c391 --- /dev/null +++ b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi @@ -0,0 +1,244 @@ +/* + * dts file for AppliedMicro (APM) X-Gene Shadowcat SOC + * + * Copyright (C) 2015, Applied Micro Circuits Corporation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + */ + +/ { + compatible = "apm,xgene-shadowcat"; + interrupt-parent = <&gic>; + #address-cells = <2>; + #size-cells = <2>; + + cpus { + #address-cells = <2>; + #size-cells = <0>; + + cpu@000 { + device_type = "cpu"; + compatible = "apm,strega", "arm,armv8"; + reg = <0x0 0x000>; + enable-method = "spin-table"; + cpu-release-addr = <0x1 0x0000fff8>; + }; + cpu@001 { + device_type = "cpu"; + compatible = "apm,strega", "arm,armv8"; + reg = <0x0 0x001>; + enable-method = "spin-table"; + cpu-release-addr = <0x1 0x0000fff8>; + }; + cpu@100 { + device_type = "cpu"; + compatible = "apm,strega", "arm,armv8"; + reg = <0x0 0x100>; + enable-method = "spin-table"; + cpu-release-addr = <0x1 0x0000fff8>; + }; + cpu@101 { + device_type = "cpu"; + compatible = "apm,strega", "arm,armv8"; + reg = <0x0 0x101>; + enable-method = "spin-table"; + cpu-release-addr = <0x1 0x0000fff8>; + }; + cpu@200 { + device_type = "cpu"; + compatible = "apm,strega", "arm,armv8"; + reg = <0x0 0x200>; + enable-method = "spin-table"; + cpu-release-addr = <0x1 0x0000fff8>; + }; + cpu@201 { + device_type = "cpu"; + compatible = "apm,strega", "arm,armv8"; + reg = <0x0 0x201>; + enable-method = "spin-table"; + cpu-release-addr = <0x1 0x0000fff8>; + }; + cpu@300 { + device_type = "cpu"; + compatible = "apm,strega", "arm,armv8"; + reg = <0x0 0x300>; + enable-method = "spin-table"; + cpu-release-addr = <0x1 0x0000fff8>; + }; + cpu@301 { + device_type = "cpu"; + compatible = "apm,strega", "arm,armv8"; + reg = <0x0 0x301>; + enable-method = "spin-table"; + cpu-release-addr = <0x1 0x0000fff8>; + }; + }; + + gic: interrupt-controller@78090000 { + compatible = "arm,cortex-a15-gic"; + #interrupt-cells = <3>; + #address-cells = <2>; + #size-cells = <2>; + interrupt-controller; + interrupts = <1 9 0xf04>; /* GIC Maintenence IRQ */ + ranges = <0 0 0 0x79000000 0x0 0x800000>; /* MSI Range */ + reg = <0x0 0x78090000 0x0 0x10000>, /* GIC Dist */ + <0x0 0x780A0000 0x0 0x20000>, /* GIC CPU */ + <0x0 0x780C0000 0x0 0x10000>, /* GIC VCPU Control */ + <0x0 0x780E0000 0x0 0x20000>; /* GIC VCPU */ + }; + + pmu { + compatible = "arm,armv8-pmuv3"; + interrupts = <1 12 0xff04>; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts = <1 0 0xff04>, /* Secure Phys IRQ */ + <1 13 0xff04>, /* Non-secure Phys IRQ */ + <1 14 0xff04>, /* Virt IRQ */ + <1 15 0xff04>; /* Hyp IRQ */ + clock-frequency = <50000000>; + }; + + soc { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <2>; + ranges; + + clocks { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + refclk: refclk { + compatible = "fixed-clock"; + #clock-cells = <1>; + clock-frequency = <100000000>; + clock-output-names = "refclk"; + }; + + socpll: socpll@17000120 { + compatible = "apm,xgene-socpll-clock"; + #clock-cells = <1>; + clocks = <&refclk 0>; + reg = <0x0 0x17000120 0x0 0x1000>; + clock-output-names = "socpll"; + }; + + socplldiv2: socplldiv2 { + compatible = "fixed-factor-clock"; + #clock-cells = <1>; + clocks = <&socpll 0>; + clock-mult = <1>; + clock-div = <2>; + clock-output-names = "socplldiv2"; + }; + + pcie0clk: pcie0clk@1f2bc000 { + compatible = "apm,xgene-device-clock"; + #clock-cells = <1>; + clocks = <&socplldiv2 0>; + reg = <0x0 0x1f2bc000 0x0 0x1000>; + reg-names = "csr-reg"; + clock-output-names = "pcie0clk"; + }; + + xge0clk: xge0clk@1f61c000 { + compatible = "apm,xgene-device-clock"; + #clock-cells = <1>; + clocks = <&socplldiv2 0>; + reg = <0x0 0x1f61c000 0x0 0x1000>; + reg-names = "csr-reg"; + enable-mask = <0x3>; + csr-mask = <0x3>; + clock-output-names = "xge0clk"; + }; + + xge1clk: xge1clk@1f62c000 { + compatible = "apm,xgene-device-clock"; + #clock-cells = <1>; + clocks = <&socplldiv2 0>; + reg = <0x0 0x1f62c000 0x0 0x1000>; + reg-names = "csr-reg"; + enable-mask = <0x3>; + csr-mask = <0x3>; + clock-output-names = "xge1clk"; + }; + }; + + serial0: serial@10600000 { + device_type = "serial"; + compatible = "ns16550"; + reg = <0 0x10600000 0x0 0x1000>; + reg-shift = <2>; + clock-frequency = <10000000>; + interrupt-parent = <&gic>; + interrupts = <0x0 0x4c 0x4>; + }; + + sata1: sata@1a000000 { + compatible = "apm,xgene-ahci"; + reg = <0x0 0x1a000000 0x0 0x1000>, + <0x0 0x1f200000 0x0 0x1000>, + <0x0 0x1f20d000 0x0 0x1000>, + <0x0 0x1f20e000 0x0 0x1000>; + interrupts = <0x0 0x5a 0x4>; + dma-coherent; + }; + + sata2: sata@1a200000 { + compatible = "apm,xgene-ahci"; + reg = <0x0 0x1a200000 0x0 0x1000>, + <0x0 0x1f210000 0x0 0x1000>, + <0x0 0x1f21d000 0x0 0x1000>, + <0x0 0x1f21e000 0x0 0x1000>; + interrupts = <0x0 0x5b 0x4>; + dma-coherent; + }; + + sata3: sata@1a400000 { + compatible = "apm,xgene-ahci"; + reg = <0x0 0x1a400000 0x0 0x1000>, + <0x0 0x1f220000 0x0 0x1000>, + <0x0 0x1f22d000 0x0 0x1000>, + <0x0 0x1f22e000 0x0 0x1000>; + interrupts = <0x0 0x5c 0x4>; + dma-coherent; + }; + + sgenet0: ethernet@1f610000 { + compatible = "apm,xgene2-sgenet"; + status = "disabled"; + reg = <0x0 0x1f610000 0x0 0x10000>, + <0x0 0x1f600000 0x0 0Xd100>, + <0x0 0x20000000 0x0 0X20000>; + interrupts = <0 96 4>, + <0 97 4>; + dma-coherent; + clocks = <&xge0clk 0>; + local-mac-address = [00 01 73 00 00 01]; + phy-connection-type = "sgmii"; + }; + + xgenet1: ethernet@1f620000 { + compatible = "apm,xgene2-xgenet"; + status = "disabled"; + reg = <0x0 0x1f620000 0x0 0x10000>, + <0x0 0x1f600000 0x0 0Xd100>, + <0x0 0x20000000 0x0 0X220000>; + interrupts = <0 108 4>, + <0 109 4>; + port-id = <1>; + dma-coherent; + clocks = <&xge1clk 0>; + local-mac-address = [00 01 73 00 00 02]; + phy-connection-type = "xgmii"; + }; + }; +}; From 991c1292f61261180873be430b9bdd50de36055d Mon Sep 17 00:00:00 2001 From: Duc Dang Date: Wed, 12 Aug 2015 16:37:08 -0700 Subject: [PATCH 06/10] arm64: dts: Add X-Gene v2 reboot driver dts node This patch add dts nodes for X-Gene v2 (APM X-Gene Shadowcat SoC) platforms to use generic SYSCON regmap reset driver for its reset operation. Signed-off-by: Duc Dang --- arch/arm64/boot/dts/apm/apm-shadowcat.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi index b474aa03c391..350b82b84ab6 100644 --- a/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi +++ b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi @@ -172,6 +172,18 @@ }; }; + scu: system-clk-controller@17000000 { + compatible = "apm,xgene-scu","syscon"; + reg = <0x0 0x17000000 0x0 0x400>; + }; + + reboot: reboot@17000014 { + compatible = "syscon-reboot"; + regmap = <&scu>; + offset = <0x14>; + mask = <0x1>; + }; + serial0: serial@10600000 { device_type = "serial"; compatible = "ns16550"; From 51f1e4a0d4992af29228090825546ffe55ad675c Mon Sep 17 00:00:00 2001 From: Feng Kan Date: Wed, 7 Jan 2015 17:33:37 -0700 Subject: [PATCH 07/10] Documentation: arm: pmu: Add Potenza PMU binding This patch documents the compatible string for APM X-Gene Potenza CPU's PMU. Signed-off-by: Vinayak Kale Signed-off-by: Feng Kan --- Documentation/devicetree/bindings/arm/pmu.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/arm/pmu.txt b/Documentation/devicetree/bindings/arm/pmu.txt index 435251fa9ce0..80625ae59e08 100644 --- a/Documentation/devicetree/bindings/arm/pmu.txt +++ b/Documentation/devicetree/bindings/arm/pmu.txt @@ -7,6 +7,7 @@ representation in the device tree should be done as under:- Required properties: - compatible : should be one of + "apm,potenza-pmu" "arm,armv8-pmuv3" "arm,cortex-a17-pmu" "arm,cortex-a15-pmu" From 7434f42b8e5ca5d57262ca7ceb856a86e4ade0d4 Mon Sep 17 00:00:00 2001 From: Feng Kan Date: Wed, 7 Jan 2015 17:33:38 -0700 Subject: [PATCH 08/10] arm64: dts: Add PMU node for APM X-Gene Storm SOC This patch adds the PMU device tree node for APM X-Gene Storm SOC. Signed-off-by: Vinayak Kale Signed-off-by: Feng Kan --- arch/arm64/boot/dts/apm/apm-storm.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi index c50a27f9d2ff..9e65b75d35bc 100644 --- a/arch/arm64/boot/dts/apm/apm-storm.dtsi +++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi @@ -97,6 +97,11 @@ clock-frequency = <50000000>; }; + pmu { + compatible = "apm,potenza-pmu", "arm,armv8-pmuv3"; + interrupts = <1 12 0xff04>; + }; + soc { compatible = "simple-bus"; #address-cells = <2>; From 5fc86b513fd3a2f19fb267bc2e9cac49c792294e Mon Sep 17 00:00:00 2001 From: Duc Dang Date: Tue, 1 Sep 2015 13:39:27 -0700 Subject: [PATCH 09/10] arm64: dts: Add APM X-Gene 2 standby GPIO controller DTS entries Add standby domain gpio controller for APM X-Gene 2 SoC platforms. Signed-off-by: Duc Dang --- arch/arm64/boot/dts/apm/apm-shadowcat.dtsi | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi index 350b82b84ab6..c804f8f1f38c 100644 --- a/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi +++ b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi @@ -224,6 +224,21 @@ dma-coherent; }; + sbgpio: sbgpio@17001000{ + compatible = "apm,xgene-gpio-sb"; + reg = <0x0 0x17001000 0x0 0x400>; + #gpio-cells = <2>; + gpio-controller; + interrupts = <0x0 0x28 0x1>, + <0x0 0x29 0x1>, + <0x0 0x2a 0x1>, + <0x0 0x2b 0x1>, + <0x0 0x2c 0x1>, + <0x0 0x2d 0x1>, + <0x0 0x2e 0x1>, + <0x0 0x2f 0x1>; + }; + sgenet0: ethernet@1f610000 { compatible = "apm,xgene2-sgenet"; status = "disabled"; From 1d8d53b62d80dc3a6ae1483891e7d840cd7a51bd Mon Sep 17 00:00:00 2001 From: Duc Dang Date: Tue, 1 Sep 2015 13:42:16 -0700 Subject: [PATCH 10/10] arm64: dts: Add poweroff device nodes for APM X-Gene 2 platform This patch adds: + poweroff button device node to support poweroff by power button on APM X-Gene 2 Merlin platform. + syscon poweroff device node to support poweroff feature on APM X-Gene 2 Merlin platform Signed-off-by: Duc Dang --- arch/arm64/boot/dts/apm/apm-merlin.dts | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/arm64/boot/dts/apm/apm-merlin.dts b/arch/arm64/boot/dts/apm/apm-merlin.dts index a20ef5b27c6d..119a469bd189 100644 --- a/arch/arm64/boot/dts/apm/apm-merlin.dts +++ b/arch/arm64/boot/dts/apm/apm-merlin.dts @@ -23,6 +23,28 @@ device_type = "memory"; reg = < 0x1 0x00000000 0x0 0x80000000 >; }; + + gpio-keys { + compatible = "gpio-keys"; + button@1 { + label = "POWER"; + linux,code = <116>; + linux,input-type = <0x1>; + interrupts = <0x0 0x28 0x1>; + }; + }; + + poweroff_mbox: poweroff_mbox@10548000 { + compatible = "syscon"; + reg = <0x0 0x10548000 0x0 0x30>; + }; + + poweroff: poweroff@10548010 { + compatible = "syscon-poweroff"; + regmap = <&poweroff_mbox>; + offset = <0x10>; + mask = <0x1>; + }; }; &serial0 {