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authorKamil Konieczny <k.konieczny@partner.samsung.com>2019-01-22 10:02:30 +0100
committerSylwester Nawrocki <s.nawrocki@samsung.com>2019-02-01 14:36:47 +0100
commit5af01ab3b6d7e0279bb6b90b54ecd921afc83bb2 (patch)
tree4a9b78c735216a8f26df091b8c0f9e175859fb2a /Documentation
parentclk: samsung: exynos5433: Fix name typo in sssx (diff)
downloadlinux-dev-5af01ab3b6d7e0279bb6b90b54ecd921afc83bb2.tar.xz
linux-dev-5af01ab3b6d7e0279bb6b90b54ecd921afc83bb2.zip
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: Chanwoo Choi <cw00.choi@samsung.com> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Kamil Konieczny <k.konieczny@partner.samsung.com> [s.nawrocki@samsung.com: edited commit description] Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/clock/exynos5433-clock.txt23
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
index 50d5897c9849..183c327a7d6b 100644
--- a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
+++ b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
@@ -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.