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Message-ID: <CANk1AXRsKgAZYW_qFaC2pxZdbfKQgreOntLNyYm=JmrxN-TTWg@mail.gmail.com>
Date: Wed, 21 Feb 2018 12:47:41 -0600
From: Alan Tull <atull@...nel.org>
To: Moritz Fischer <mdf@...nel.org>
Cc: linux-fpga@...r.kernel.org,
linux-kernel <linux-kernel@...r.kernel.org>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Michal Simek <michal.simek@...inx.com>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@...r.kernel.org>
Subject: Re: [PATCH] dt-bindings: fpga: Consolidate bridge properties
On Wed, Feb 21, 2018 at 11:33 AM, Moritz Fischer <mdf@...nel.org> wrote:
Hi Moritz,
Thanks!
> Consolidate bridge properties in a single file, instead of duplicating
> the same optional property over and over again.
>
> Signed-off-by: Moritz Fischer <mdf@...nel.org>
Acked-by: Alan Tull <atull@...nel.org>
> Cc: Alan Tull <atull@...nel.org>
> Cc: Rob Herring <robh+dt@...nel.org>
> ---
> .../devicetree/bindings/fpga/altera-fpga2sdram-bridge.txt | 5 +----
> .../devicetree/bindings/fpga/altera-freeze-bridge.txt | 5 +----
> .../devicetree/bindings/fpga/altera-hps2fpga-bridge.txt | 5 +----
> Documentation/devicetree/bindings/fpga/fpga-bridge.txt | 15 +++++++++++++++
> .../devicetree/bindings/fpga/xilinx-pr-decoupler.txt | 8 ++------
> 5 files changed, 20 insertions(+), 18 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/fpga/fpga-bridge.txt
>
> diff --git a/Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.txt b/Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.txt
> index 817a8d4bf903..5dd0ff0f7b4e 100644
> --- a/Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.txt
> +++ b/Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.txt
> @@ -3,10 +3,7 @@ Altera FPGA To SDRAM Bridge Driver
> Required properties:
> - compatible : Should contain "altr,socfpga-fpga2sdram-bridge"
>
> -Optional properties:
> -- bridge-enable : 0 if driver should disable bridge at startup
> - 1 if driver should enable bridge at startup
> - Default is to leave bridge in current state.
> +See Documentation/devicetree/bindings/fpga/fpga-bridge.txt for generic bindings.
>
> Example:
> fpga_bridge3: fpga-bridge@...25080 {
> diff --git a/Documentation/devicetree/bindings/fpga/altera-freeze-bridge.txt b/Documentation/devicetree/bindings/fpga/altera-freeze-bridge.txt
> index f8e288c71b2d..8b26fbcff3c6 100644
> --- a/Documentation/devicetree/bindings/fpga/altera-freeze-bridge.txt
> +++ b/Documentation/devicetree/bindings/fpga/altera-freeze-bridge.txt
> @@ -10,10 +10,7 @@ Required properties:
> - compatible : Should contain "altr,freeze-bridge-controller"
> - regs : base address and size for freeze bridge module
>
> -Optional properties:
> -- bridge-enable : 0 if driver should disable bridge at startup
> - 1 if driver should enable bridge at startup
> - Default is to leave bridge in current state.
> +See Documentation/devicetree/bindings/fpga/fpga-bridge.txt for generic bindings.
>
> Example:
> freeze-controller@...000450 {
> diff --git a/Documentation/devicetree/bindings/fpga/altera-hps2fpga-bridge.txt b/Documentation/devicetree/bindings/fpga/altera-hps2fpga-bridge.txt
> index 6406f9337eeb..68cce3945b10 100644
> --- a/Documentation/devicetree/bindings/fpga/altera-hps2fpga-bridge.txt
> +++ b/Documentation/devicetree/bindings/fpga/altera-hps2fpga-bridge.txt
> @@ -9,10 +9,7 @@ Required properties:
> - resets : Phandle and reset specifier for this bridge's reset
> - clocks : Clocks used by this module.
>
> -Optional properties:
> -- bridge-enable : 0 if driver should disable bridge at startup.
> - 1 if driver should enable bridge at startup.
> - Default is to leave bridge in its current state.
> +See Documentation/devicetree/bindings/fpga/fpga-bridge.txt for generic bindings.
>
> Example:
> fpga_bridge0: fpga-bridge@...00000 {
> diff --git a/Documentation/devicetree/bindings/fpga/fpga-bridge.txt b/Documentation/devicetree/bindings/fpga/fpga-bridge.txt
> new file mode 100644
> index 000000000000..82607b23a287
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/fpga/fpga-bridge.txt
> @@ -0,0 +1,15 @@
> +FPGA Bridge Device Tree Binding
> +
> +Moritz Fischer 2018 (Consolidated from previous bindings)
> +
> +Optional properties:
> +- bridge-enable : 0 if driver should disable bridge at startup
> + 1 if driver should enable bridge at startup
> + Default is to leave bridge in current state.
> +
> +Example:
> + fpga_bridge3: fpga-bridge@...25080 {
> + compatible = "altr,socfpga-fpga2sdram-bridge";
> + reg = <0xffc25080 0x4>;
> + bridge-enable = <0>;
> + };
> diff --git a/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt b/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt
> index 8dcfba926bc7..4284d293fa61 100644
> --- a/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt
> +++ b/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt
> @@ -18,12 +18,8 @@ Required properties:
> - clocks : input clock to IP
> - clock-names : should contain "aclk"
>
> -Optional properties:
> -- bridge-enable : 0 if driver should disable bridge at startup
> - 1 if driver should enable bridge at startup
> - Default is to leave bridge in current state.
> -
> -See Documentation/devicetree/bindings/fpga/fpga-region.txt for generic bindings.
> +See Documentation/devicetree/bindings/fpga/fpga-region.txt and
> +Documentation/devicetree/bindings/fpga/fpga-bridge.txt for generic bindings.
>
> Example:
> fpga-bridge@...000450 {
> --
> 2.16.1
>
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