From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sricharan R Subject: [PATCH v12 09/14] dt-bindings: arm: Document qcom,kpss-gcc Date: Tue, 14 Aug 2018 17:42:28 +0530 Message-ID: <1534248753-2440-10-git-send-email-sricharan@codeaurora.org> References: <1534248753-2440-1-git-send-email-sricharan@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1534248753-2440-1-git-send-email-sricharan@codeaurora.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: mark.rutland@arm.com, robh@kernel.org, sudeep.holla@arm.com, linux@arm.linux.org.uk, ctatlor97@gmail.com, rjw@rjwysocki.net, viresh.kumar@linaro.org, mturquette@baylibre.com, linux-pm@vger.kernel.org, sboyd@codeaurora.org, linux@armlinux.org.uk, thierry.escande@linaro.org, linux-kernel@vger.kernel.org, david.brown@linaro.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, andy.gross@linaro.org, linux-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, niklas.cassel@linaro.org Cc: sricharan@codeaurora.org List-Id: devicetree@vger.kernel.org From: Stephen Boyd The ACC and GCC regions present in KPSSv1 contain registers to control clocks and power to each Krait CPU and L2. Documenting the bindings here. Reviewed-by: Rob Herring Signed-off-by: Stephen Boyd Signed-off-by: Sricharan R --- .../devicetree/bindings/arm/msm/qcom,kpss-acc.txt | 19 ++++++++++ .../devicetree/bindings/arm/msm/qcom,kpss-gcc.txt | 44 ++++++++++++++++++++++ 2 files changed, 63 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt diff --git a/Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.txt b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.txt index 1333db9..7f69636 100644 --- a/Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.txt +++ b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.txt @@ -21,10 +21,29 @@ PROPERTIES the register region. An optional second element specifies the base address and size of the alias register region. +- clocks: + Usage: required + Value type: + Definition: reference to the pll parents. + +- clock-names: + Usage: required + Value type: + Definition: must be "pll8_vote", "pxo". + +- clock-output-names: + Usage: optional + Value type: + Definition: Name of the output clock. Typically acpuX_aux where X is a + CPU number starting at 0. + Example: clock-controller@2088000 { compatible = "qcom,kpss-acc-v2"; reg = <0x02088000 0x1000>, <0x02008000 0x1000>; + clocks = <&gcc PLL8_VOTE>, <&gcc PXO_SRC>; + clock-names = "pll8_vote", "pxo"; + clock-output-names = "acpu0_aux"; }; diff --git a/Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt new file mode 100644 index 0000000..e628758 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt @@ -0,0 +1,44 @@ +Krait Processor Sub-system (KPSS) Global Clock Controller (GCC) + +PROPERTIES + +- compatible: + Usage: required + Value type: + Definition: should be one of the following. The generic compatible + "qcom,kpss-gcc" should also be included. + "qcom,kpss-gcc-ipq8064", "qcom,kpss-gcc" + "qcom,kpss-gcc-apq8064", "qcom,kpss-gcc" + "qcom,kpss-gcc-msm8974", "qcom,kpss-gcc" + "qcom,kpss-gcc-msm8960", "qcom,kpss-gcc" + +- reg: + Usage: required + Value type: + Definition: base address and size of the register region + +- clocks: + Usage: required + Value type: + Definition: reference to the pll parents. + +- clock-names: + Usage: required + Value type: + Definition: must be "pll8_vote", "pxo". + +- clock-output-names: + Usage: required + Value type: + Definition: Name of the output clock. Typically acpu_l2_aux indicating + an L2 cache auxiliary clock. + +Example: + + l2cc: clock-controller@2011000 { + compatible = "qcom,kpss-gcc-ipq8064", "qcom,kpss-gcc"; + reg = <0x2011000 0x1000>; + clocks = <&gcc PLL8_VOTE>, <&gcc PXO_SRC>; + clock-names = "pll8_vote", "pxo"; + clock-output-names = "acpu_l2_aux"; + }; -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation