The ARC SDP I2S clock can be programmed using a
specific PLL.
This patch series has the goal of adding a clock driver
that programs this PLL.
----
Changes v5 -> v6:
* Use parent clock to determine PLL input rate instead of using hardcoded values
* Documentation update (added 'clocks' field)
* Device tree update (added 'clocks' field)
Changes v4 -> v5:
* Documentation update (as suggested by Alexey Brodkin)
* Changed compatible string to "snps,axs10x-i2s-pll-clock" (as suggested by Alexey Brodkin)
* Added DT bindings
Changes v3 -> v4:
* Added binding document (as suggested by Stephen Boyd)
* Minor code style fixes (as suggested by Stephen Boyd)
* Use ioremap (as suggested by Stephen Boyd)
* Implement round_rate (as suggested by Stephen Boyd)
* Change to platform driver (as suggested by Stephen Boyd)
* Use {readl/writel}_relaxed (as suggested by Vineet Gupta)
Changes v2 -> v3:
* Implemented recalc_rate
Changes v1 -> v2:
* Renamed folder to axs10x (as suggested by Alexey Brodkin)
* Added more supported rates
Cc: Carlos Palminha <palminha@xxxxxxxxxxxx>
Cc: Rob Herring <robh@xxxxxxxxxx>
Cc: Pawel Moll <pawel.moll@xxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx>
Cc: Kumar Gala <galak@xxxxxxxxxxxxxx>
Cc: Michael Turquette <mturquette@xxxxxxxxxxxx>
Cc: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
Cc: Alexey Brodkin <abrodkin@xxxxxxxxxxxx>
Cc: Vineet Gupta <vgupta@xxxxxxxxxxxx>
Cc: linux-snps-arc@xxxxxxxxxxxxxxxxxxx
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: linux-clk@xxxxxxxxxxxxxxx
Jose Abreu (2):
clk/axs10x: Add I2S PLL clock driver
arc: axs10x: Add DT bindings for I2S PLL Clock
.../bindings/clock/axs10x-i2s-pll-clock.txt | 25 +++
arch/arc/boot/dts/axs10x_mb.dtsi | 13 ++
drivers/clk/Makefile | 1 +
drivers/clk/axs10x/Makefile | 1 +
drivers/clk/axs10x/i2s_pll_clock.c | 228 +++++++++++++++++++++
5 files changed, 268 insertions(+)
create mode 100644 Documentation/devicetree/bindings/clock/axs10x-i2s-pll-clock.txt
create mode 100644 drivers/clk/axs10x/Makefile
create mode 100644 drivers/clk/axs10x/i2s_pll_clock.c
--
1.9.1
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