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path: root/drivers/clk/at91/sama5d2.c
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2019-05-07Merge branches 'clk-stm32f4', 'clk-tegra', 'clk-at91', 'clk-sifive-fu540' ↵Stephen Boyd1-1/+11
and 'clk-spdx' into clk-next - Support for STM32F769 - Rework AT91 sckc DT bindings - Fix slow RC oscillator issue on sama5d3 - AT91 sam9x60 PMC support - SiFive FU540 PRCI and PLL support * clk-stm32f4: clk: stm32mp1: Add ddrperfm clock clk: stm32: Introduce clocks of STM32F769 board * clk-tegra: clk: tegra: divider: Mark Memory Controller clock as read-only clk: tegra: emc: Replace BUG() with WARN_ONCE() clk: tegra: emc: Fix EMC max-rate clamping clk: tegra: emc: Support multiple RAM codes clk: tegra: emc: Don't enable EMC clock manually clk: tegra124: Remove lock-enable bit from PLLM clk: tegra: Fix PLLM programming on Tegra124+ when PMC overrides divider clk: tegra: Don't enable already enabled PLLs * clk-at91: clk: at91: Mark struct clk_range as const clk: at91: add sam9x60 pmc driver dt-bindings: clk: at91: add bindings for SAM9X60 pmc clk: at91: add sam9x60 PLL driver clk: at91: master: Add sam9x60 support clk: at91: usb: Add sam9x60 support clk: at91: allow configuring generated PCR layout clk: at91: allow configuring peripheral PCR layout clk: at91: sckc: handle different RC startup time clk: at91: modernize sckc binding dt-bindings: clock: at91: new sckc bindings * clk-sifive-fu540: clk: sifive: add a driver for the SiFive FU540 PRCI IP block clk: analogbits: add Wide-Range PLL library dt-bindings: clk: add documentation for the SiFive PRCI driver * clk-spdx: clk: sunxi-ng: Use the correct style for SPDX License Identifier clk: sprd: Use the correct style for SPDX License Identifier clk: renesas: Use the correct style for SPDX License Identifier clk: qcom: Use the correct style for SPDX License Identifier clk: davinci: Use the correct style for SPDX License Identifier clk: actions: Use the correct style for SPDX License Identifier
2019-04-25clk: at91: Mark struct clk_range as constStephen Boyd1-1/+1
It's just some static data that doesn't get changed after being used. Mark it const everywhere. Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2019-04-25clk: at91: allow configuring generated PCR layoutAlexandre Belloni1-0/+1
The PCR register layout for GCLKCSS is changing for the future SoCs, allow configuring it. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2019-04-25clk: at91: allow configuring peripheral PCR layoutAlexandre Belloni1-0/+9
The PCR register actually changed layout for each SoC. By chance, this didn't have impact on sama5d[2-4] support but since sama5d3, PID is seven bits wide and sama5d4 and sama5d2 don't have DIV. For the DT backward compatibility, keep the layout as is. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2019-03-18clk: at91: fix programmable clock for sama5d2Matthias Wieloch1-1/+9
The prescaler formula of the programmable clock has changed for sama5d2. Update the driver accordingly. Fixes: a2038077de9a ("clk: at91: add sama5d2 PMC driver") Cc: <stable@vger.kernel.org> # v4.20+ Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com> [nicolas.ferre@microchip.com: adapt the prescaler range, fix clk_programmable_recalc_rate, split patch] Signed-off-by: Matthias Wieloch <matthias.wieloch@few-bauer.de> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2019-03-08Merge branch 'clk-at91' into clk-nextStephen Boyd1-1/+2
* clk-at91: clk: at91: programmable: remove unneeded register read clk: at91: optimize clk_round_rate() for AUDIO_PLL clk: at91: enable AUDIOPLL as source for PCKx on SAMA5D2
2019-02-20clk: at91: fix masterck nameAlexandre Belloni1-2/+2
The master clock is actually named masterck earlier in the driver. Having "mck" in the parent list means that it can never be selected. Fixes: 1eabdc2f9dd8 ("clk: at91: add at91sam9x5 PMCs driver") Fixes: a2038077de9a ("clk: at91: add sama5d2 PMC driver") Fixes: 084b696bb509 ("clk: at91: add sama5d4 pmc driver") Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com> Cc: <stable@vger.kernel.org> # v4.20+ Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2019-01-09clk: at91: enable AUDIOPLL as source for PCKx on SAMA5D2Michał Mirosław1-1/+2
Datasheet for SAMA5D2x mentions 6 sources for PCKx, the last being AUDIOPLL. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-10-17clk: at91: add sama5d2 PMC driverAlexandre Belloni1-0/+336
Add a driver for the PMC clocks of the sama5d2 Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> [sboyd@kernel.org: Make i signed to fix signedness bug] Signed-off-by: Stephen Boyd <sboyd@kernel.org>