Messages in this thread | | | Subject | Re: [PATCH] reset: ti-rstctrl: use the reset-simple driver | From | Tero Kristo <> | Date | Tue, 16 Jan 2018 08:50:52 +0200 |
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On 16/01/18 03:11, Tony Lindgren wrote: > We can support the RSTCTRL reset registers on many TI SoCs with > reset-simple. > > Cc: Dave Gerlach <d-gerlach@ti.com> > Cc: Mark Rutland <mark.rutland@arm.com> > Cc: Nishant Menon <nm@ti.com> > Cc: Philipp Zabel <p.zabel@pengutronix.de> > Cc: Rob Herring <robh+dt@kernel.org> > Cc: Suman Anna <s-anna@ti.com> > Cc: Tero Kristo <t-kristo@ti.com> > Signed-off-by: Tony Lindgren <tony@atomide.com> > --- > > That's all there is to it :) Naturally this can wait for v4.17 > if necessary.
Thats pretty neat. :)
-Tero
> > --- > .../devicetree/bindings/reset/ti-rstctrl.txt | 29 ++++++++++++++++++++++ > drivers/reset/Kconfig | 2 +- > drivers/reset/reset-simple.c | 1 + > 3 files changed, 31 insertions(+), 1 deletion(-) > create mode 100644 Documentation/devicetree/bindings/reset/ti-rstctrl.txt > > diff --git a/Documentation/devicetree/bindings/reset/ti-rstctrl.txt b/Documentation/devicetree/bindings/reset/ti-rstctrl.txt > new file mode 100644 > --- /dev/null > +++ b/Documentation/devicetree/bindings/reset/ti-rstctrl.txt > @@ -0,0 +1,29 @@ > +TI RSTCTRL Reset Controller > + > +Required properties: > +- compatible : "ti,rstctrl" > +- reg : Should contain 1 register ranges(address and length) > +- #reset-cells: 1 > + > +Example: > + > + prcm: prcm@200000 { > + compatible = "ti,am3-prcm", "simple-bus"; > + reg = <0x200000 0x4000>; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges = <0 0x200000 0x4000>; > + > + prm_gfx: prm@1100 { > + compatible = "simple-bus"; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges = <0 0x1100 0x100>; > + > + gfx_rstctrl: rstctrl@4 { > + reg = <0x4 0x4>; > + #reset-cells = <1>; > + compatible = "ti,rstctrl"; > + }; > + }; > + }; > diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig > --- a/drivers/reset/Kconfig > +++ b/drivers/reset/Kconfig > @@ -83,7 +83,7 @@ config RESET_PISTACHIO > > config RESET_SIMPLE > bool "Simple Reset Controller Driver" if COMPILE_TEST > - default ARCH_SOCFPGA || ARCH_STM32 || ARCH_STRATIX10 || ARCH_SUNXI || ARCH_ZX > + default ARCH_OMAP2PLUS || ARCH_SOCFPGA || ARCH_STM32 || ARCH_STRATIX10 || ARCH_SUNXI || ARCH_ZX > help > This enables a simple reset controller driver for reset lines that > that can be asserted and deasserted by toggling bits in a contiguous, > diff --git a/drivers/reset/reset-simple.c b/drivers/reset/reset-simple.c > --- a/drivers/reset/reset-simple.c > +++ b/drivers/reset/reset-simple.c > @@ -123,6 +123,7 @@ static const struct of_device_id reset_simple_dt_ids[] = { > { .compatible = "st,stm32-rcc", }, > { .compatible = "allwinner,sun6i-a31-clock-reset", > .data = &reset_simple_active_low }, > + { .compatible = "ti,rstctrl", }, > { .compatible = "zte,zx296718-reset", > .data = &reset_simple_active_low }, > { /* sentinel */ }, >
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