diff options
author | Arnd Bergmann <arnd@arndb.de> | 2015-05-20 23:03:25 +0200 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2015-05-20 23:03:25 +0200 |
commit | a8f0abb90281d3adda5678ca6f0c062decf19df8 (patch) | |
tree | 3658ca544e000e2c58f902543dffb1f247fb084f | |
parent | Merge tag 'at91-dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/... (diff) | |
parent | Documentation: bindings: update the berlin chip and system ctrl doc (diff) | |
download | linux-a8f0abb90281d3adda5678ca6f0c062decf19df8.tar.xz linux-a8f0abb90281d3adda5678ca6f0c062decf19df8.zip |
Merge tag 'berlin-dt-4.2-1' of git://git.infradead.org/users/hesselba/linux-berlin into next/dt
Merge "Berlin DT changes for v4.2" from Sebastian Hesselbarth:
- GPLv2/X11 dual licensing
- Mark Berlin DT bindings as unstable
- Updated binding documentation for reworked
chip/system ctrl nodes
* tag 'berlin-dt-4.2-1' of git://git.infradead.org/users/hesselba/linux-berlin:
Documentation: bindings: update the berlin chip and system ctrl doc
Documentation: bindings: move the Berlin clock documentation
Documentation: bindings: move the Berlin pinctrl documentation
Documentation: bindings: move the Berlin reset documentation
Documentation: bindings: update the Berlin controllers documentation
Documentation: bindings: berlin: consider our dt bindings as unstable
ARM: dts: berlin: relicense the BG2CD Google Chromecast dts under GPLv2/X11
ARM: dts: berlin: relicense the berlin2cd dtsi under GPLv2/X11
ARM: dts: berlin: relicense the BG2 Sony NSZ-GS7 dts under GPLv2/X11
ARM: dts: berlin: relicense the berlin2 dtsi under GPLv2/X11
ARM: dts: berlin: relicense the BG2Q Marvell DMP dts under GPLv2/X11
ARM: dts: berlin: relicense the berlin2q dtsi under GPLv2/X11
-rw-r--r-- | Documentation/devicetree/bindings/arm/marvell,berlin.txt | 100 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/clock/marvell,berlin.txt | 31 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/pinctrl/berlin,pinctrl.txt | 43 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/reset/berlin,reset.txt | 23 | ||||
-rw-r--r-- | arch/arm/boot/dts/berlin2-sony-nsz-gs7.dts | 34 | ||||
-rw-r--r-- | arch/arm/boot/dts/berlin2.dtsi | 34 | ||||
-rw-r--r-- | arch/arm/boot/dts/berlin2cd-google-chromecast.dts | 34 | ||||
-rw-r--r-- | arch/arm/boot/dts/berlin2cd.dtsi | 34 | ||||
-rw-r--r-- | arch/arm/boot/dts/berlin2q-marvell-dmp.dts | 34 | ||||
-rw-r--r-- | arch/arm/boot/dts/berlin2q.dtsi | 34 |
10 files changed, 305 insertions, 96 deletions
diff --git a/Documentation/devicetree/bindings/arm/marvell,berlin.txt b/Documentation/devicetree/bindings/arm/marvell,berlin.txt index a99eb9eb14c0..3bab18409b7a 100644 --- a/Documentation/devicetree/bindings/arm/marvell,berlin.txt +++ b/Documentation/devicetree/bindings/arm/marvell,berlin.txt @@ -1,6 +1,18 @@ Marvell Berlin SoC Family Device Tree Bindings --------------------------------------------------------------- +Work in progress statement: + +Device tree files and bindings applying to Marvell Berlin SoCs and boards are +considered "unstable". Any Marvell Berlin device tree binding may change at any +time. Be sure to use a device tree binary and a kernel image generated from the +same source tree. + +Please refer to Documentation/devicetree/bindings/ABI.txt for a definition of a +stable binding/ABI. + +--------------------------------------------------------------- + Boards with a SoC of the Marvell Berlin family, e.g. Armada 1500 shall have the following properties: @@ -49,10 +61,9 @@ chip control registers, so there should be a single DT node only providing the different functions which are described below. Required properties: -- compatible: shall be one of - "marvell,berlin2-chip-ctrl" for BG2 - "marvell,berlin2cd-chip-ctrl" for BG2CD - "marvell,berlin2q-chip-ctrl" for BG2Q +- compatible: + * the first and second values must be: + "simple-mfd", "syscon" - reg: address and length of following register sets for BG2/BG2CD: chip control register set BG2Q: chip control register set and cpu pll registers @@ -63,90 +74,23 @@ Marvell Berlin SoCs have a system control register set providing several individual registers dealing with pinmux, padmux, and reset. Required properties: -- compatible: should be one of - "marvell,berlin2-system-ctrl" for BG2 - "marvell,berlin2cd-system-ctrl" for BG2CD - "marvell,berlin2q-system-ctrl" for BG2Q +- compatible: + * the first and second values must be: + "simple-mfd", "syscon" - reg: address and length of the system control register set -* Clock provider binding - -As clock related registers are spread among the chip control registers, the -chip control node also provides the clocks. Marvell Berlin2 (BG2, BG2CD, BG2Q) -SoCs share the same IP for PLLs and clocks, with some minor differences in -features and register layout. - -Required properties: -- #clock-cells: shall be set to 1 -- clocks: clock specifiers referencing the core clock input clocks -- clock-names: array of strings describing the input clock specifiers above. - Allowed clock-names for the reference clocks are - "refclk" for the SoCs osciallator input on all SoCs, - and SoC-specific input clocks for - BG2/BG2CD: "video_ext0" for the external video clock input - -Clocks provided by core clocks shall be referenced by a clock specifier -indexing one of the provided clocks. Refer to dt-bindings/clock/berlin<soc>.h -for the corresponding index mapping. - -* Pin controller binding - -Pin control registers are part of both register sets, chip control and system -control. The pins controlled are organized in groups, so no actual pin -information is needed. - -A pin-controller node should contain subnodes representing the pin group -configurations, one per function. Each subnode has the group name and the muxing -function used. - -Be aware the Marvell Berlin datasheets use the keyword 'mode' for what is called -a 'function' in the pin-controller subsystem. - -Required subnode-properties: -- groups: a list of strings describing the group names. -- function: a string describing the function used to mux the groups. - -* Reset controller binding - -A reset controller is part of the chip control registers set. The chip control -node also provides the reset. The register set is not at the same offset between -Berlin SoCs. - -Required property: -- #reset-cells: must be set to 2 - Example: chip: chip-control@ea0000 { - compatible = "marvell,berlin2-chip-ctrl"; - #clock-cells = <1>; - #reset-cells = <2>; + compatible = "simple-mfd", "syscon"; reg = <0xea0000 0x400>; - clocks = <&refclk>, <&externaldev 0>; - clock-names = "refclk", "video_ext0"; - spi1_pmux: spi1-pmux { - groups = "G0"; - function = "spi1"; - }; + /* sub-device nodes */ }; sysctrl: system-controller@d000 { - compatible = "marvell,berlin2-system-ctrl"; + compatible = "simple-mfd", "syscon"; reg = <0xd000 0x100>; - uart0_pmux: uart0-pmux { - groups = "GSM4"; - function = "uart0"; - }; - - uart1_pmux: uart1-pmux { - groups = "GSM5"; - function = "uart1"; - }; - - uart2_pmux: uart2-pmux { - groups = "GSM3"; - function = "uart2"; - }; + /* sub-device nodes */ }; diff --git a/Documentation/devicetree/bindings/clock/marvell,berlin.txt b/Documentation/devicetree/bindings/clock/marvell,berlin.txt new file mode 100644 index 000000000000..c611c495f3ff --- /dev/null +++ b/Documentation/devicetree/bindings/clock/marvell,berlin.txt @@ -0,0 +1,31 @@ +Device Tree Clock bindings for Marvell Berlin + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Clock related registers are spread among the chip control registers. Berlin +clock node should be a sub-node of the chip controller node. Marvell Berlin2 +(BG2, BG2CD, BG2Q) SoCs share the same IP for PLLs and clocks, with some +minor differences in features and register layout. + +Required properties: +- compatible: must be "marvell,berlin2-clk" or "marvell,berlin2q-clk" +- #clock-cells: must be 1 +- clocks: must be the input parent clock phandle +- clock-names: name of the input parent clock + Allowed clock-names for the reference clocks are + "refclk" for the SoCs oscillator input on all SoCs, + and SoC-specific input clocks for + BG2/BG2CD: "video_ext0" for the external video clock input + + +Example: + +chip_clk: clock { + compatible = "marvell,berlin2q-clk"; + + #clock-cells = <1>; + clocks = <&refclk>; + clock-names = "refclk"; +}; diff --git a/Documentation/devicetree/bindings/pinctrl/berlin,pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/berlin,pinctrl.txt new file mode 100644 index 000000000000..a8bb5e26019c --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/berlin,pinctrl.txt @@ -0,0 +1,43 @@ +* Pin-controller driver for the Marvell Berlin SoCs + +Pin control registers are part of both chip controller and system +controller register sets. Pin controller nodes should be a sub-node of +either the chip controller or system controller node. The pins +controlled are organized in groups, so no actual pin information is +needed. + +A pin-controller node should contain subnodes representing the pin group +configurations, one per function. Each subnode has the group name and +the muxing function used. + +Be aware the Marvell Berlin datasheets use the keyword 'mode' for what +is called a 'function' in the pin-controller subsystem. + +Required properties: +- compatible: should be one of: + "marvell,berlin2-soc-pinctrl", + "marvell,berlin2-system-pinctrl", + "marvell,berlin2cd-soc-pinctrl", + "marvell,berlin2cd-system-pinctrl", + "marvell,berlin2q-soc-pinctrl", + "marvell,berlin2q-system-pinctrl" + +Required subnode-properties: +- groups: a list of strings describing the group names. +- function: a string describing the function used to mux the groups. + +Example: + +sys_pinctrl: pin-controller { + compatible = "marvell,berlin2q-system-pinctrl"; + + uart0_pmux: uart0-pmux { + groups = "GSM12"; + function = "uart0"; + }; +}; + +&uart0 { + pinctrl-0 = <&uart0_pmux>; + pinctrl-names = "default"; +}; diff --git a/Documentation/devicetree/bindings/reset/berlin,reset.txt b/Documentation/devicetree/bindings/reset/berlin,reset.txt new file mode 100644 index 000000000000..514fee098b4b --- /dev/null +++ b/Documentation/devicetree/bindings/reset/berlin,reset.txt @@ -0,0 +1,23 @@ +Marvell Berlin reset controller +=============================== + +Please also refer to reset.txt in this directory for common reset +controller binding usage. + +The reset controller node must be a sub-node of the chip controller +node on Berlin SoCs. + +Required properties: +- compatible: should be "marvell,berlin2-reset" +- #reset-cells: must be set to 2 + +Example: + +chip_rst: reset { + compatible = "marvell,berlin2-reset"; + #reset-cells = <2>; +}; + +&usb_phy0 { + resets = <&chip_rst 0x104 12>; +}; diff --git a/arch/arm/boot/dts/berlin2-sony-nsz-gs7.dts b/arch/arm/boot/dts/berlin2-sony-nsz-gs7.dts index 86d85d8896a3..5c99fb3a4d10 100644 --- a/arch/arm/boot/dts/berlin2-sony-nsz-gs7.dts +++ b/arch/arm/boot/dts/berlin2-sony-nsz-gs7.dts @@ -3,9 +3,37 @@ * * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. */ /dts-v1/; diff --git a/arch/arm/boot/dts/berlin2.dtsi b/arch/arm/boot/dts/berlin2.dtsi index 63d00a63cfa6..da9adf8f69da 100644 --- a/arch/arm/boot/dts/berlin2.dtsi +++ b/arch/arm/boot/dts/berlin2.dtsi @@ -6,9 +6,37 @@ * based on GPL'ed 2.6 kernel sources * (c) Marvell International Ltd. * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. */ #include "skeleton.dtsi" diff --git a/arch/arm/boot/dts/berlin2cd-google-chromecast.dts b/arch/arm/boot/dts/berlin2cd-google-chromecast.dts index 30270be4d0c9..772165ad0a52 100644 --- a/arch/arm/boot/dts/berlin2cd-google-chromecast.dts +++ b/arch/arm/boot/dts/berlin2cd-google-chromecast.dts @@ -3,9 +3,37 @@ * * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. */ /dts-v1/; diff --git a/arch/arm/boot/dts/berlin2cd.dtsi b/arch/arm/boot/dts/berlin2cd.dtsi index 81b670ac494a..cb2a97cb9579 100644 --- a/arch/arm/boot/dts/berlin2cd.dtsi +++ b/arch/arm/boot/dts/berlin2cd.dtsi @@ -6,9 +6,37 @@ * based on GPL'ed 2.6 kernel sources * (c) Marvell International Ltd. * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. */ #include "skeleton.dtsi" diff --git a/arch/arm/boot/dts/berlin2q-marvell-dmp.dts b/arch/arm/boot/dts/berlin2q-marvell-dmp.dts index a98ac1bd8f65..4a749e5b3b44 100644 --- a/arch/arm/boot/dts/berlin2q-marvell-dmp.dts +++ b/arch/arm/boot/dts/berlin2q-marvell-dmp.dts @@ -1,9 +1,37 @@ /* * Copyright (C) 2014 Antoine Ténart <antoine.tenart@free-electrons.com> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. */ /dts-v1/; diff --git a/arch/arm/boot/dts/berlin2q.dtsi b/arch/arm/boot/dts/berlin2q.dtsi index be5397288d24..703ce384e0d7 100644 --- a/arch/arm/boot/dts/berlin2q.dtsi +++ b/arch/arm/boot/dts/berlin2q.dtsi @@ -1,9 +1,37 @@ /* * Copyright (C) 2014 Antoine Ténart <antoine.tenart@free-electrons.com> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. */ #include <dt-bindings/clock/berlin2q.h> |