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* ARM: at91/dt: use syscon for PMCAlexandre Belloni2015-10-191-1/+1
| | | | | | | | | 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>
* ARM: at91/dt: at91sam9261: use slow clock where necessaryAlexandre Belloni2015-08-071-2/+5
| | | | | | | | | The watchdog, the reset controller, 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>
* ARM: at91/dt: remove useless usb clockBoris Brezillon2015-05-221-2/+2
| | | | | | | | | The ohci driver now calls clk_set_rate on the uhpck clock (which forwards set_rate requests to its parent: the usb clock). Remove useless references to usb clocks from ohci definitions. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* ARM: at91/dt: introduce atmel,<chip>-dbguAlexandre Belloni2015-03-131-1/+1
| | | | | | | | 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>
* ARM: at91/dt: fix at91 udc compatible stringsBoris Brezillon2015-03-111-1/+2
| | | | | | | | | | | The at91rm9200, at91sam9260, at91sam9261 and at91sam9263 SoCs have slightly different UDC IPs. Those differences were previously handled with cpu_is_at91xx macro which are about to be dropped for multi-platform support, thus we need to change compatible strings. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* ARM: at91/dt: declare matrix node as a syscon deviceBoris Brezillon2015-03-111-1/+1
| | | | | | | | | | There is no specific driver handling the AHB matrix, this is a simple syscon device. the matrix is needed by several other drivers including the USB on some SoCs (at91sam9261 for instance). Without this definition, the USB will not work on these SoCs. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* ARM: at91/dt: at91sam9261: fix clocks and clock-names in udc definitionBoris Brezillon2015-03-091-2/+2
| | | | | | | | | | | Peripheral clock is named pclk and system clock is named hclk (those are the names expected by the at91_udc driver). Drop the deprecated usb_clk (formerly used to configure the usb clock rate which is now directly configurable through hclk). Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* ARM: at91/dt: add SRAM nodesAlexandre Belloni2015-01-151-0/+5
| | | | | | | | | | | | | 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>
* ARM: at91/dt: add GPBR nodesBoris Brezillon2014-11-191-0/+6
| | | | | | | 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>
* ARM: at91/dt: add RTT nodes to at91 dtsisBoris Brezillon2014-11-191-0/+8
| | | | | | | | 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>
* ARM: at91/dt: sam9261 crystals under the clocks nodeAlexandre Belloni2014-07-091-9/+11
| | | | | | | | | Having clocks grouped in a subnode is common practice, so move the crystals under a clocks node for the at91sam9261 SoC and at91sam9261 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>
* ARM: at91/dt: sam9261: remove slow RC oscAlexandre Belloni2014-06-251-15/+2
| | | | | | | | | The at91sam9261 doesn't actually have a slow RC oscillator, remove it from the dtsi. 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>
* ARM: at91/dt: sam9261: correctly define mainckAlexandre Belloni2014-06-251-2/+8
| | | | | | | | mainck (CKGR_MCFR register) is actually using main_osc (CKGR_MOR register). 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>
* Merge tag 'at91-dt3' of git://github.com/at91linux/linux-at91 into next/dtArnd Bergmann2014-05-231-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| * Merge branch 'at91-3.16-cleanup' into at91-3.16-dt3Nicolas Ferre2014-05-221-2/+21
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| * | dt-bindings: clock: Move at91.h to dt-bindigs/clockTushar Behera2014-04-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | | Merge branch 'at91/cleanup' into next/dtArnd Bergmann2014-05-231-2/+21
|\ \ \ | | |/ | |/| | | | | | | | | | | | | | | | | | | Conflicts: arch/arm/boot/dts/at91sam9rl.dtsi Needed as a dependency for the at91/dt2 branch Signed-off-by: Arnd Bergmann <arnd@arndb.de>
| * | ARM: at91/dt: move at91sam9261 SoC to the new main clock modelBoris BREZILLON2014-05-071-2/+21
| |/ | | | | | | | | | | Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com> Acked-by: Jean-Jacques HIBLOT <jjhiblot@traphandler.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* | ARM: at91/dt: sam9261: Add ssc2, SSC clocks and pcksAlexandre Belloni2014-05-121-0/+103
| | | | | | | | | | | | | | | | Add ssc2 support, ssc2 pinctrl and clocks for the three SSCs. Also add support for the programmable clocks. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* | ARM: at91/dt: sam9261: Fix PLL output ranges and other clocks divisorsAlexandre Belloni2014-05-121-5/+6
|/ | | | | | | | | Argument 3 (OUT) and 4 (ICPLL) of the atmel,pll-clk-output-ranges were missing. Also, the at91sam9261 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>
* ARM: at91: dt: Add at91sam9261 dt SoC supportJean-Jacques Hiblot2014-03-121-0/+735
This patch adds support for the Device Tree on a sam9261-based platform Signed-off-by: Jean-Jacques Hiblot <jjhiblot@traphandler.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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