[PATCH 1/2] reset: Add DT bindings for the Gemini reset controller

Rob Herring robh at kernel.org
Fri Apr 28 14:27:50 EDT 2017


On Mon, Apr 24, 2017 at 09:27:46PM +0200, Linus Walleij wrote:
> This is a simple reset controller in a single 32bit
> register.
> 
> Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
> ---
>  .../bindings/reset/cortina,gemini-reset.txt        | 59 ++++++++++++++++++++++
>  1 file changed, 59 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/reset/cortina,gemini-reset.txt
> 
> diff --git a/Documentation/devicetree/bindings/reset/cortina,gemini-reset.txt b/Documentation/devicetree/bindings/reset/cortina,gemini-reset.txt
> new file mode 100644
> index 000000000000..21aa12901774
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/reset/cortina,gemini-reset.txt
> @@ -0,0 +1,59 @@
> +Cortina Gemini Reset Controller
> +
> +This reset controller is found in Cortina Systems CS3516 and
> +the predecessor StorLink SL3516.
> +
> +Required properties:
> +- compatible: "cortina,gemini-reset"
> +- #reset-cells: Must be 1
> +
> +The Gemini reset controller must be a child node of the
> +system controller. Apart from this it follows the standard reset
> +controller bindings.

Same comment as clocks. The parent can be the provider.

> +
> +Valid reset line values:
> +
> +0:  DRAM controller

Why no header like clocks?

> +1:  Flash controller
> +2:  IDE controller
> +3:  RAID controller
> +4:  Security module
> +5:  GMAC0 (ethernet)
> +6:  GMAC1 (ethernet)
> +7:  PCI host bridge
> +8:  USB0 USB host controller
> +9:  USB1 USB host controller
> +10: General DMA controller
> +11: APB bridge
> +12: LPC (Low Pin Count) controller
> +13: LCD module
> +14: Interrupt controller 0
> +15: Interrupt controller 1
> +16: RTC module
> +17: Timer module
> +18: UART controller
> +19: SSP controller
> +20: GPIO0 GPIO controller
> +21: GPIO1 GPIO controller
> +22: GPIO2 GPIO controller
> +23: Watchdog timer
> +24: External device reset
> +25: CIR module (infrared)
> +26: SATA0 SATA bridge
> +27: SATA1 SATA bridge
> +28: TVE TV Encoder module
> +29: Reserved
> +30: CPU1 reset
> +31: Global soft reset
> +
> +Example:
> +
> +syscon: syscon at 40000000 {
> +	compatible = "cortina,gemini-syscon", "syscon", "simple-mfd";
> +	reg = <0x40000000 0x1000>;
> +
> +	reset-controller {
> +		compatible = "cortina,gemini-reset";
> +		#reset-cells = <1>;
> +	};
> +};
> -- 
> 2.9.3
> 
> --
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