Commit 5af01ab3 authored by Kamil Konieczny's avatar Kamil Konieczny Committed by Sylwester Nawrocki
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clk: samsung: dt-bindings: Document Exynos5433 IMEM CMU 



Document DT bindings of the IMEM CMU providing clocks for the Exynos5433
Security SubSystem (SSS) and SlimSSS IPs.

Acked-by: default avatarChanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Acked-by: default avatarStephen Boyd <sboyd@kernel.org>
Signed-off-by: default avatarKamil Konieczny <k.konieczny@partner.samsung.com>
[s.nawrocki@samsung.com: edited commit description]
Signed-off-by: default avatarSylwester Nawrocki <s.nawrocki@samsung.com>
parent b80a40c6

Documentation/devicetree/bindings/clock/exynos5433-clock.txt

+23 −0
Original line number Diff line number Diff line
@@ -50,6 +50,8 @@ Required Properties: 
    IPs.

  - "samsung,exynos5433-cmu-cam1" - clock controller compatible for CMU_CAM1

    which generates clocks for Cortex-A5/MIPI_CSIS2/FIMC-LITE_C/FIMC-FD IPs.

  - "samsung,exynos5433-cmu-imem"   - clock controller compatible for CMU_IMEM

    which generates clocks for SSS (Security SubSystem) and SlimSSS IPs.



- reg: physical base address of the controller and length of memory mapped

  region.
@@ -168,6 +170,12 @@ Required Properties: 
		- aclk_cam1_400

		- aclk_cam1_552



	Input clocks for imem clock controller:

		- oscclk

		- aclk_imem_sssx_266

		- aclk_imem_266

		- aclk_imem_200



Optional properties:

  - power-domains: a phandle to respective power domain node as described by

	generic PM domain bindings (see power/power_domain.txt for more
@@ -469,6 +477,21 @@ Example 2: Examples of clock controller nodes are listed below. 
		power-domains = <&pd_cam1>;

	};



	cmu_imem: clock-controller@11060000 {

		compatible = "samsung,exynos5433-cmu-imem";

		reg = <0x11060000 0x1000>;

		#clock-cells = <1>;



		clock-names = "oscclk",

			"aclk_imem_sssx_266",

			"aclk_imem_266",

			"aclk_imem_200";

		clocks = <&xxti>,

			<&cmu_top CLK_DIV_ACLK_IMEM_SSSX_266>,

			<&cmu_top CLK_DIV_ACLK_IMEM_266>,

			<&cmu_top CLK_DIV_ACLK_IMEM_200>;

	};



Example 3: UART controller node that consumes the clock generated by the clock

	   controller.