Commit 0f0bbb79 authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by Rob Herring
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dt-bindings: sram: Merge Amlogic SRAM bindings into generic 



The Amlogic SRAM bindings list only compatible so integrate them into
generic SRAM bindings schema.

Signed-off-by: default avatarKrzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: default avatarRob Herring <robh@kernel.org>
parent e1679513

Documentation/devicetree/bindings/arm/amlogic/smp-sram.txt

deleted100644 → 0
+0 −32
Original line number Diff line number Diff line 
Amlogic Meson8 and Meson8b SRAM for smp bringup:

------------------------------------------------



Amlogic's SMP-capable SoCs use part of the sram for the bringup of the cores.

Once the core gets powered up it executes the code that is residing at a

specific location.



Therefore a reserved section sub-node has to be added to the mmio-sram

declaration.



Required sub-node properties:

- compatible : depending on the SoC this should be one of:

		"amlogic,meson8-smp-sram"

		"amlogic,meson8b-smp-sram"



The rest of the properties should follow the generic mmio-sram discription

found in ../../misc/sram.txt



Example:



	sram: sram@d9000000 {

		compatible = "mmio-sram";

		reg = <0xd9000000 0x20000>;

		#address-cells = <1>;

		#size-cells = <1>;

		ranges = <0 0xd9000000 0x20000>;



		smp-sram@1ff80 {

			compatible = "amlogic,meson8b-smp-sram";

			reg = <0x1ff80 0x8>;

		};

	};

Documentation/devicetree/bindings/sram/sram.yaml

+22 −0
Original line number Diff line number Diff line
@@ -65,6 +65,8 @@ patternProperties: 
          Should contain a vendor specific string in the form

          <vendor>,[<device>-]<usage>

        enum:

          - amlogic,meson8-smp-sram

          - amlogic,meson8b-smp-sram

          - samsung,exynos4210-sysram

          - samsung,exynos4210-sysram-ns
@@ -163,3 +165,23 @@ examples: 
            reg = <0x53000 0x1000>;

        };

    };



  - |

    // Amlogic's SMP-capable SoCs use part of the sram for the bringup of the cores.

    // Once the core gets powered up it executes the code that is residing at a

    // specific location.

    //

    // Therefore a reserved section sub-node has to be added to the mmio-sram

    // declaration.

    sram@d9000000 {

        compatible = "mmio-sram";

        reg = <0xd9000000 0x20000>;

        #address-cells = <1>;

        #size-cells = <1>;

        ranges = <0 0xd9000000 0x20000>;



        smp-sram@1ff80 {

            compatible = "amlogic,meson8b-smp-sram";

            reg = <0x1ff80 0x8>;

        };

    };