diff options
Diffstat (limited to 'Documentation/devicetree/bindings/clock')
8 files changed, 84 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt b/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt index 2ef86ae96df8..d19885b7c73f 100644 --- a/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt +++ b/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt @@ -2,13 +2,14 @@ The Actions Semi Owl Clock Management Unit generates and supplies clock to various controllers within the SoC. The clock binding described here is -applicable to S900 and S700 SoC's. +applicable to S900, S700 and S500 SoC's. Required Properties: - compatible: should be one of the following, "actions,s900-cmu" "actions,s700-cmu" + "actions,s500-cmu" - reg: physical base address of the controller and length of memory mapped region. - clocks: Reference to the parent clocks ("hosc", "losc") @@ -19,8 +20,8 @@ Each clock is assigned an identifier, and client nodes can use this identifier to specify the clock which they consume. All available clocks are defined as preprocessor macros in corresponding -dt-bindings/clock/actions,s900-cmu.h or actions,s700-cmu.h header and can be -used in device tree sources. +dt-bindings/clock/actions,s900-cmu.h or actions,s700-cmu.h or +actions,s500-cmu.h header and can be used in device tree sources. External clocks: diff --git a/Documentation/devicetree/bindings/clock/amlogic,gxbb-aoclkc.txt b/Documentation/devicetree/bindings/clock/amlogic,gxbb-aoclkc.txt index 79511d7bb321..c41f0be5d438 100644 --- a/Documentation/devicetree/bindings/clock/amlogic,gxbb-aoclkc.txt +++ b/Documentation/devicetree/bindings/clock/amlogic,gxbb-aoclkc.txt @@ -10,6 +10,7 @@ Required Properties: - GXL (S905X, S905D) : "amlogic,meson-gxl-aoclkc" - GXM (S912) : "amlogic,meson-gxm-aoclkc" - AXG (A113D, A113X) : "amlogic,meson-axg-aoclkc" + - G12A (S905X2, S905D2, S905Y2) : "amlogic,meson-g12a-aoclkc" followed by the common "amlogic,meson-gx-aoclkc" - clocks: list of clock phandle, one for each entry clock-names. - clock-names: should contain the following: diff --git a/Documentation/devicetree/bindings/clock/amlogic,gxbb-clkc.txt b/Documentation/devicetree/bindings/clock/amlogic,gxbb-clkc.txt index a6871953bf04..5c8b105be4d6 100644 --- a/Documentation/devicetree/bindings/clock/amlogic,gxbb-clkc.txt +++ b/Documentation/devicetree/bindings/clock/amlogic,gxbb-clkc.txt @@ -9,6 +9,7 @@ Required Properties: "amlogic,gxbb-clkc" for GXBB SoC, "amlogic,gxl-clkc" for GXL and GXM SoC, "amlogic,axg-clkc" for AXG SoC. + "amlogic,g12a-clkc" for G12A SoC. - clocks : list of clock phandle, one for each entry clock-names. - clock-names : should contain the following: * "xtal": the platform xtal 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. diff --git a/Documentation/devicetree/bindings/clock/fixed-mmio-clock.txt b/Documentation/devicetree/bindings/clock/fixed-mmio-clock.txt new file mode 100644 index 000000000000..c359367fd1a9 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/fixed-mmio-clock.txt @@ -0,0 +1,24 @@ +Binding for simple memory mapped io fixed-rate clock sources. +The driver reads a clock frequency value from a single 32-bit memory mapped +I/O register and registers it as a fixed rate clock. + +It was designed for test systems, like FPGA, not for complete, finished SoCs. + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be "fixed-mmio-clock". +- #clock-cells : from common clock binding; shall be set to 0. +- reg : Address and length of the clock value register set. + +Optional properties: +- clock-output-names : From common clock binding. + +Example: +sysclock: sysclock@fd020004 { + #clock-cells = <0>; + compatible = "fixed-mmio-clock"; + reg = <0xfd020004 0x4>; +}; diff --git a/Documentation/devicetree/bindings/clock/imx8mm-clock.txt b/Documentation/devicetree/bindings/clock/imx8mm-clock.txt new file mode 100644 index 000000000000..8e4ab9e619a1 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/imx8mm-clock.txt @@ -0,0 +1,29 @@ +* Clock bindings for NXP i.MX8M Mini + +Required properties: +- compatible: Should be "fsl,imx8mm-ccm" +- reg: Address and length of the register set +- #clock-cells: Should be <1> +- clocks: list of clock specifiers, must contain an entry for each required + entry in clock-names +- clock-names: should include the following entries: + - "osc_32k" + - "osc_24m" + - "clk_ext1" + - "clk_ext2" + - "clk_ext3" + - "clk_ext4" + +clk: clock-controller@30380000 { + compatible = "fsl,imx8mm-ccm"; + reg = <0x0 0x30380000 0x0 0x10000>; + #clock-cells = <1>; + clocks = <&osc_32k>, <&osc_24m>, <&clk_ext1>, <&clk_ext2>, + <&clk_ext3>, <&clk_ext4>; + clock-names = "osc_32k", "osc_24m", "clk_ext1", "clk_ext2", + "clk_ext3", "clk_ext4"; +}; + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx8mm-clock.h +for the full list of i.MX8M Mini clock IDs. diff --git a/Documentation/devicetree/bindings/clock/marvell,mmp2.txt b/Documentation/devicetree/bindings/clock/marvell,mmp2.txt index af376a01f2b7..23b52dc02266 100644 --- a/Documentation/devicetree/bindings/clock/marvell,mmp2.txt +++ b/Documentation/devicetree/bindings/clock/marvell,mmp2.txt @@ -18,4 +18,4 @@ Required Properties: Each clock is assigned an identifier and client nodes use this identifier to specify the clock which they consume. -All these identifier could be found in <dt-bindings/clock/marvell-mmp2.h>. +All these identifiers could be found in <dt-bindings/clock/marvell,mmp2.h>. diff --git a/Documentation/devicetree/bindings/clock/qcom,rpmcc.txt b/Documentation/devicetree/bindings/clock/qcom,rpmcc.txt index 87b4949e9bc8..944719bd586f 100644 --- a/Documentation/devicetree/bindings/clock/qcom,rpmcc.txt +++ b/Documentation/devicetree/bindings/clock/qcom,rpmcc.txt @@ -16,6 +16,7 @@ Required properties : "qcom,rpmcc-msm8974", "qcom,rpmcc" "qcom,rpmcc-apq8064", "qcom,rpmcc" "qcom,rpmcc-msm8996", "qcom,rpmcc" + "qcom,rpmcc-msm8998", "qcom,rpmcc" "qcom,rpmcc-qcs404", "qcom,rpmcc" - #clock-cells : shall contain 1 |