diff options
Diffstat (limited to 'target/linux/ipq806x/patches-4.19/0034-0009-dt-bindings-arm-Document-qcom-kpss-gcc.patch')
| -rw-r--r-- | target/linux/ipq806x/patches-4.19/0034-0009-dt-bindings-arm-Document-qcom-kpss-gcc.patch | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/target/linux/ipq806x/patches-4.19/0034-0009-dt-bindings-arm-Document-qcom-kpss-gcc.patch b/target/linux/ipq806x/patches-4.19/0034-0009-dt-bindings-arm-Document-qcom-kpss-gcc.patch new file mode 100644 index 0000000000..6af40895bc --- /dev/null +++ b/target/linux/ipq806x/patches-4.19/0034-0009-dt-bindings-arm-Document-qcom-kpss-gcc.patch @@ -0,0 +1,99 @@ +From 40e5ddf4f84869815129551f4a8cfc2c223ebeae Mon Sep 17 00:00:00 2001 +From: Stephen Boyd <sboyd@codeaurora.org> +Date: Tue, 14 Aug 2018 17:42:28 +0530 +Subject: [PATCH 09/12] dt-bindings: arm: Document qcom,kpss-gcc + +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 <robh@kernel.org> +Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> +Signed-off-by: Sricharan R <sricharan@codeaurora.org> +Tested-by: Craig Tatlor <ctatlor97@gmail.com> +Signed-off-by: Stephen Boyd <sboyd@kernel.org> +--- + .../bindings/arm/msm/qcom,kpss-acc.txt | 19 ++++++++ + .../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 + +--- 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: <prop-encoded-array> ++ Definition: reference to the pll parents. ++ ++- clock-names: ++ Usage: required ++ Value type: <stringlist> ++ Definition: must be "pll8_vote", "pxo". ++ ++- clock-output-names: ++ Usage: optional ++ Value type: <string> ++ 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"; + }; +--- /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: <string> ++ 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: <prop-encoded-array> ++ Definition: base address and size of the register region ++ ++- clocks: ++ Usage: required ++ Value type: <prop-encoded-array> ++ Definition: reference to the pll parents. ++ ++- clock-names: ++ Usage: required ++ Value type: <stringlist> ++ Definition: must be "pll8_vote", "pxo". ++ ++- clock-output-names: ++ Usage: required ++ Value type: <string> ++ 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"; ++ }; |