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2020-05-25ARM: dts: at91: Remove the USB EP child nodeGregory CLEMENT
The endpoint configuration used to be stored in the device tree, however the configuration depend on the "version" of the controller itself. Then the EP child node are useless and describe as deprecated in the documentation binding: remove all the nodes from the SoC device tree file. Remove also the #address-cells and #size-cells properties that are no longer needed. Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com> Signed-off-by: Felipe Balbi <balbi@kernel.org>
2019-12-10ARM: dts: at91: Reenable UART TX pull-upsIngo van Lil
Pull-ups for SAM9 UART/USART TX lines were disabled in a previous commit. However, several chips in the SAM9 family require pull-ups to prevent the TX lines from falling (and causing an endless break condition) when the transceiver is disabled. From the SAM9G20 datasheet, 32.5.1: "To prevent the TXD line from falling when the USART is disabled, the use of an internal pull up is mandatory.". This commit reenables the pull-ups for all chips having that sentence in their datasheets. Fixes: 5e04822f7db5 ("ARM: dts: at91: fixes uart pinctrl, set pullup on rx, clear pullup on tx") Signed-off-by: Ingo van Lil <inguin@gmx.de> Cc: Peter Rosin <peda@axentia.se> Link: https://lore.kernel.org/r/20191203142147.875227-1-inguin@gmx.de Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-06-25Merge tag 'at91-5.3-dt' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into arm/dt AT91 DT for 5.3 - switch to new sckc bindings - convert soc bindings to json-schema * tag 'at91-5.3-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux: dt-bindings: arm: Convert Atmel board/soc bindings to json-schema ARM: dts: at91: sama5d3: switch to new sckc bindings ARM: dts: at91: at91sam9rl: switch to new sckc bindings ARM: dts: at91: at91sam9g45: switch to new sckc bindings ARM: dts: at91: at91sam9x5: switch to new sckc bindings ARM: dts: at91sam9261ek: remove unused chosen nodes Signed-off-by: Olof Johansson <olof@lixom.net>
2019-05-21ARM: dts: at91: at91sam9rl: switch to new sckc bindingsAlexandre Belloni
Remove the child nodes of the sckc as they are not necessary anymore. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-05-21treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 4Thomas Gleixner
Based on 1 normalized pattern(s): licensed under gplv2 or later extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 118 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Jilayne Lovejoy <opensource@jilayne.com> Reviewed-by: Steve Winslow <swinslow@gmail.com> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190519154040.961286471@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-01-30ARM: dts: Kill off skeleton{64}.dtsiRob Herring
Remove the usage of skeleton.dtsi in the remaining dts files. It was deprecated since commit 9c0da3cc61f1 ("ARM: dts: explicitly mark skeleton.dtsi as deprecated"). This will make adding a unit-address to memory nodes easier. The main tricky part to removing skeleton.dtsi is we could end up with no /memory node at all when a bootloader depends on one being present. I hacked up dtc to check for this condition. Acked-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-by: Neil Armstrong <narmstrong@baylibre.com> Acked-by: Antoine Tenart <antoine.tenart@bootlin.com> Acked-by: Alexandre TORGUE <alexandre.torgue@st.com> Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> Acked-by: Vladimir Zapolskiy <vz@mleia.com> Tested-by: Kevin Hilman <khilman@baylibre.com> Reviewed-by: Kevin Hilman <khilman@baylibre.com> Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Rob Herring <robh@kernel.org> Reviewed-by: Gregory CLEMENT <gregory.clement@bootlin.com> Tested-by: Gregory CLEMENT <gregory.clement@bootlin.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-11-21ARM: dts: at91: at91sam9rl: switch to new clock bindingsAlexandre Belloni
Switch at91sam9rl boards to the new PMC clock bindings. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2018-06-20ARM: dts: fix PMC compatibleAlexandre Belloni
Make each SoC dtsi use its soc specific PMc compatible string. This solves a potential issue on at91sam9261 and at91sam9263 when using suspend to RAM Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2018-03-21ARM: dts: at91: fixes uart pinctrl, set pullup on rx, clear pullup on txPeter Rosin
Remove pullup on uart TX signals, they are push-pull outputs thus pullups are pointless. Add pullup on uart RX signals, they prevent the RX signals to be left floating and so consuming a useless extra amount of power in crowbarred state if nothing is connected to RX. Signed-off-by: Peter Rosin <peda@axentia.se> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2018-02-13ARM: dts: at91: sam9rl: Properly assign copyrightAlexandre Belloni
The copyright holder for this work is Microchip (formerly Atmel) Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2017-12-31ARM: dts: at91: at91sam9rl: TC blocks are also simple-mfd and syscon devicesAlexandre Belloni
Add simple-mfd and syscon to the TC blocks to allow to register one of the channels as clocksource properly at boot time and free up the remaining channels for other use. Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-10-20arm: dts: fix unit-address leading 0sRob Herring
Fix dtc warnings for 'simple_bus_reg' due to leading 0s. Converted using the following command: perl -p -i -e 's/\@0+([0-9a-f])/\@$1/g' `find arch/arm/boot/dts -type -f -name '*.dts*' Dropped changes to ARM, Ltd. boards LED nodes and manually fixed up some occurrences of uppercase hex. Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2017-05-31ARM: dts: at91: Switch to the new NAND bindingsBoris Brezillon
Use the new EBI/NAND bindings to declare NAND chips and remove old NAND nodes along the way. Note that we keep using old bindings in at91rm9200.dtsi because this SoC is not supported by the EBI driver. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Tested-by: Peter Rosin <peda@axentia.se> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-05-31ARM: dts: at91: Declare EBI/NAND controllersBoris Brezillon
Declare new nodes for the EBI and NAND controllers embedded in various at91/sama5 SoCs. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2016-10-20ARM: dts: at91: fixes dbgu pinctrl, set pullup on rx, clear pullup on txSylvain Rochet
Remove pullup on dbgu DTXD signal, it is a push-pull output thus the pullup is pointless. Add pullup on dbgu DRXD signal, it prevents the DRXD signal to be left floating and so consuming a useless extra amount of power in crowbarred state if nothing is externally connected to dbgu. Signed-off-by: Sylvain Rochet <sylvain.rochet@finsecur.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2016-07-15ARM: dts: at91: fix i2c-gpio node nameAlexandre Belloni
i2c-gpio doesn't need a reg property. Change the node names to i2c-gpio-x as used in other dts to remove the unit-address. Solves: Warning (unit_address_vs_reg): Node /i2c@0 has a unit name, but no reg property Warning (unit_address_vs_reg): Node /i2c@1 has a unit name, but no reg property Warning (unit_address_vs_reg): Node /i2c@2 has a unit name, but no reg property Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2016-07-15ARM: dts: at91: Fix USB endpoint nodesAlexandre Belloni
Endpoint nodes have a reg property. Add their mandatory unit-address. This solves: Warning (unit_address_vs_reg): Node /ahb/gadget@00400000/ep0 has a reg or ranges property, but no unit name Warning (unit_address_vs_reg): Node /ahb/gadget@00400000/ep1 has a reg or ranges property, but no unit name Warning (unit_address_vs_reg): Node /ahb/gadget@00400000/ep2 has a reg or ranges property, but no unit name Warning (unit_address_vs_reg): Node /ahb/gadget@00400000/ep3 has a reg or ranges property, but no unit name Warning (unit_address_vs_reg): Node /ahb/gadget@00400000/ep4 has a reg or ranges property, but no unit name Warning (unit_address_vs_reg): Node /ahb/gadget@00400000/ep5 has a reg or ranges property, but no unit name Warning (unit_address_vs_reg): Node /ahb/gadget@00400000/ep6 has a reg or ranges property, but no unit name Warning (unit_address_vs_reg): Node /ahb/gadget@00400000/ep7 has a reg or ranges property, but no unit name Warning (unit_address_vs_reg): Node /ahb/gadget@00400000/ep8 has a reg or ranges property, but no unit name Warning (unit_address_vs_reg): Node /ahb/gadget@00400000/ep9 has a reg or ranges property, but no unit name Warning (unit_address_vs_reg): Node /ahb/gadget@00400000/ep10 has a reg or ranges property, but no unit name Warning (unit_address_vs_reg): Node /ahb/gadget@00400000/ep11 has a reg or ranges property, but no unit name Warning (unit_address_vs_reg): Node /ahb/gadget@00400000/ep12 has a reg or ranges property, but no unit name Warning (unit_address_vs_reg): Node /ahb/gadget@00400000/ep13 has a reg or ranges property, but no unit name Warning (unit_address_vs_reg): Node /ahb/gadget@00400000/ep14 has a reg or ranges property, but no unit name Warning (unit_address_vs_reg): Node /ahb/gadget@00400000/ep15 has a reg or ranges property, but no unit name Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2016-07-15ARM: dts: at91: Fix ADC trigger nodesAlexandre Belloni
The triggers don't need a reg property, remove it when prenset. Also remove the unit-address from their name. This solves: Warning (unit_address_vs_reg): Node /ahb/apb/adc@fc034000/trigger@0 has a unit name, but no reg property Warning (unit_address_vs_reg): Node /ahb/apb/adc@fc034000/trigger@1 has a unit name, but no reg property Warning (unit_address_vs_reg): Node /ahb/apb/adc@fc034000/trigger@2 has a unit name, but no reg property Warning (unit_address_vs_reg): Node /ahb/apb/adc@fc034000/trigger@3 has a unit name, but no reg property Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2015-10-19ARM: at91/dt: use syscon for PMCAlexandre Belloni
The PMC is not only used to drive the clocks but also has some registers related to other functions. One of those is for example the USB gadget bias. Using a syscon allows to properly separate those functions. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2015-08-07ARM: at91/dt: at91sam9rl: use slow clock where necessaryAlexandre Belloni
The watchdog, the reset controller, the RTC, the real-time timer, the shutdown controller and the timer counter need the slow clock, add it where necessary. Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2015-06-04ARM: at91/dt: at91sam9rl: fix rtc nodeAlexandre Belloni
The RTC lives at 0xfffffe00. Also reorder the node properly. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-03-13ARM: at91/dt: introduce atmel,<chip>-dbguAlexandre Belloni
The DBGU is not a simple UART and we need to be able to distinguish it from the other UARTs, in particular to get its address and check the chip id. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-01-15ARM: at91/dt: add SRAM nodesAlexandre Belloni
Add nodes for the SRAM available on atmel SoCs For the at91sam9260 and the at91sam9g20, address mirroring is used to create a single contiguous SRAM range instead of declaring two separate banks. Also remove leftover TODOs in the sam9g45 file Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com> [nicolas.ferre@atmel.com: correct at91sam9rl sram size => 0x10000] Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-11-19ARM: at91/dt: add GPBR nodesBoris Brezillon
Add GPBR (General Purpose Block Backup Registers) nodes. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-11-19ARM: at91/dt: add RTT nodes to at91 dtsisBoris Brezillon
at91sam926x, at91sam9g45 and at91sam9rl SoCs all have at least one RTT block. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-11-19ARM: at91/dt: at91sam9rl: add rtcAlexandre Belloni
Add rtc support to the at91sam9rl dtsi file. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-09-18ARM: at91/dt: at91sam9rl: switch ssc compatible stringBo Shen
As the SSC integrate in at91sam9rl support frame sync length extension, so switch compatible string to support this feature. Signed-off-by: Bo Shen <voice.shen@atmel.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-07-09ARM: at91/dt: add NAND + DMA property for at91sam9rlNicolas Ferre
Add the "atmel,nand-has-dma" property to NAND node Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2014-07-09ARM: at91/dt: add DMA controller node to at91sam9rlNicolas Ferre
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2014-07-09ARM: at91/dt: sam9rl crystals under the clocks nodeAlexandre Belloni
Having clocks grouped in a subnode is common practice, so move the crystals under a clocks node for the at91sam9rl SoC and at91sam9rl based boards. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Boris BREZILLON <boris.brezillon@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-05-23Merge tag 'at91-dt3' of git://github.com/at91linux/linux-at91 into next/dtArnd Bergmann
3.16 third DT series: - move of both at91sam9n12 and at91sam9x5 to CCF * tag 'at91-dt3' of git://github.com/at91linux/linux-at91: ARM: at91: move sam9n12 SoC to the CCF ARM: at91/dt: define sam9n12ek crystal frequencies ARM: at91/dt: define sam9n12 clocks ARM: at91: prepare common clk transition for sam9n12 SoC ARM: at91: move sam9x5 SoCs to the CCF ARM: at91/dt: define sam9x5ek's crystal frequencies ARM: at91/dt: define sam9x5 clocks ARM: at91: prepare common clk transition for sam9x5 SoCs dt-bindings: clock: Move at91.h to dt-bindigs/clock ARM: at91: fix spi cs on sama5d3 Xplained board Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-05-23Merge branch 'at91/cleanup' into next/dtArnd Bergmann
Conflicts: arch/arm/boot/dts/at91sam9rl.dtsi Needed as a dependency for the at91/dt2 branch Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-05-22Merge branch 'at91-3.16-cleanup' into at91-3.16-dt3Nicolas Ferre
2014-05-12ARM: at91/dt: sam9rl: Fix PLL output range and mck divisorsAlexandre Belloni
Argument 3 (OUT) and 4 (ICPLL) of the atmel,pll-clk-output-ranges were missing. Also, the at91sam9rl doesn't really have a by 3 divisor. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Boris BREZILLON <boris.brezillon@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-05-07ARM: at91/dt: move at91sam9rl SoC to the new slow/main clock modelsBoris BREZILLON
Move at91sam9rl SoC to the new main/slow clock model. Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-04-18dt-bindings: clock: Move at91.h to dt-bindigs/clockTushar Behera
Most of the clock related dt-binding header files are located in dt-bindings/clock folder. It would be good to keep all the similar header files at a single location. Signed-off-by: Tushar Behera <tushar.behera@linaro.org> CC: Rob Landley <rob@landley.net> CC: Andrew Victor <linux@maxim.org.za> CC: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com> Acked-by: Boris BREZILLON <b.brezillon.dev@gmail.com> [nicolas.ferre@atmel.com: add new at91sam9261 & at91sam9rl] Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-04-18ARM: at91/dt: sam9rl: add lcd, adc, usb gadget and pwm supportAlexandre Belloni
This patch adds support for the ADC, LCD, USB gadget and PWM controllers to the at91sam9rl. It also reorders the pinctrl_spi0 as it was not correctly sorted. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-03-12ARM: at91/dt: define at91sam9rl clocksAlexandre Belloni
Define at91sam9rl clocks in at91sam9rl dtsi file. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Boris BREZILLON <b.brezillon.dev@gmail.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-03-12ARM: at91: Add at91sam9rl DT SoC supportAlexandre Belloni
This adds preliminary DT support for the at91sam9rl. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Boris BREZILLON <b.brezillon.dev@gmail.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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