On Sun, May 17, 2020 at 02:52:22PM +0530, Taniya Das wrote: > The LPASS(Low Power Audio Subsystem) clock provider have a bunch of generic > properties that are needed in a device tree. Also add clock ids for GCC > LPASS and LPASS Core clock IDs for LPASS client to request for the clocks. > > Signed-off-by: Taniya Das <tdas@xxxxxxxxxxxxxx> > --- > .../bindings/clock/qcom,sc7180-lpasscorecc.yaml | 101 +++++++++++++++++++++ > include/dt-bindings/clock/qcom,gcc-sc7180.h | 1 + > .../dt-bindings/clock/qcom,lpasscorecc-sc7180.h | 29 ++++++ > 3 files changed, 131 insertions(+) > create mode 100644 Documentation/devicetree/bindings/clock/qcom,sc7180-lpasscorecc.yaml > create mode 100644 include/dt-bindings/clock/qcom,lpasscorecc-sc7180.h > > diff --git a/Documentation/devicetree/bindings/clock/qcom,sc7180-lpasscorecc.yaml b/Documentation/devicetree/bindings/clock/qcom,sc7180-lpasscorecc.yaml > new file mode 100644 > index 0000000..c025a0ae > --- /dev/null > +++ b/Documentation/devicetree/bindings/clock/qcom,sc7180-lpasscorecc.yaml > @@ -0,0 +1,101 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/clock/qcom,sc7180-lpasscorecc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Qualcomm LPASS Core Clock Controller Binding for SC7180 > + > +maintainers: > + - Taniya Das <tdas@xxxxxxxxxxxxxx> > + > +description: | > + Qualcomm LPASS core clock control module which supports the clocks and > + power domains on SC7180. > + > + See also: > + - dt-bindings/clock/qcom,lpasscorecc-sc7180.h > + > +properties: > + compatible: > + enum: > + - qcom,sc7180-lpasshm > + - qcom,sc7180-lpasscorecc > + > + clocks: > + items: > + - description: gcc_lpass_sway clock from GCC > + > + clock-names: > + items: > + - const: gcc_lpass_sway > + > + power-domains: > + items: > + - description: LPASS CORE HM GSDCR For single entry, 'maxItems: 1' is enough. > + > + '#clock-cells': > + const: 1 > + > + '#power-domain-cells': > + const: 1 > + > + reg: > + minItems: 1 > + maxItems: 2 > + items: > + - description: lpass audio cc register > + - description: lpass core cc register audio then core > + > + reg-names: > + items: > + - const: lpass_core_cc > + - const: lpass_audio_cc core then audio? 2 reg-names required, but 1 reg allowed? > + > +if: > + properties: > + compatible: > + contains: > + const: qcom,sc7180-lpasshm > +then: > + properties: > + reg: > + items: > + - description: lpass hm core register reg-names allowed in this case? Ideally, this would have just 'maxItems: 1' to just disallow the 2nd entry above. > + > +required: > + - compatible > + - reg > + - clocks > + - clock-names > + - '#clock-cells' > + - '#power-domain-cells' > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/qcom,gcc-sc7180.h> > + #include <dt-bindings/clock/qcom,lpasscorecc-sc7180.h> > + clock-controller@63000000 { > + compatible = "qcom,sc7180-lpasshm"; > + reg = <0 0x63000000 0 0x28>; > + clocks = <&gcc GCC_LPASS_CFG_NOC_SWAY_CLK>; > + clock-names = "gcc_lpass_sway"; > + #clock-cells = <1>; > + #power-domain-cells = <1>; > + }; > + > + - | > + clock-controller@62d00000 { > + compatible = "qcom,sc7180-lpasscorecc"; > + reg = <0 0x62d00000 0 0x50000>, > + <0 0x62780000 0 0x30000>; > + reg-names = "lpass_core_cc", "lpass_audio_cc"; > + clocks = <&gcc GCC_LPASS_CFG_NOC_SWAY_CLK>; > + clock-names = "gcc_lpass_sway"; > + power-domains = <&lpass_hm LPASS_CORE_HM_GDSCR>; > + #clock-cells = <1>; > + #power-domain-cells = <1>; > + }; > +... > diff --git a/include/dt-bindings/clock/qcom,gcc-sc7180.h b/include/dt-bindings/clock/qcom,gcc-sc7180.h > index 1258fd0..439476c 100644 > --- a/include/dt-bindings/clock/qcom,gcc-sc7180.h > +++ b/include/dt-bindings/clock/qcom,gcc-sc7180.h > @@ -137,6 +137,7 @@ > #define GCC_MSS_NAV_AXI_CLK 127 > #define GCC_MSS_Q6_MEMNOC_AXI_CLK 128 > #define GCC_MSS_SNOC_AXI_CLK 129 > +#define GCC_LPASS_CFG_NOC_SWAY_CLK 130 > > /* GCC resets */ > #define GCC_QUSB2PHY_PRIM_BCR 0 > diff --git a/include/dt-bindings/clock/qcom,lpasscorecc-sc7180.h b/include/dt-bindings/clock/qcom,lpasscorecc-sc7180.h > new file mode 100644 > index 0000000..a55d01d > --- /dev/null > +++ b/include/dt-bindings/clock/qcom,lpasscorecc-sc7180.h > @@ -0,0 +1,29 @@ > +/* SPDX-License-Identifier: GPL-2.0-only */ > +/* > + * Copyright (c) 2020, The Linux Foundation. All rights reserved. > + */ > + > +#ifndef _DT_BINDINGS_CLK_QCOM_LPASS_CORE_CC_SC7180_H > +#define _DT_BINDINGS_CLK_QCOM_LPASS_CORE_CC_SC7180_H > + > +/* LPASS_CORE_CC clocks */ > +#define LPASS_LPAAUDIO_DIG_PLL 0 > +#define LPASS_LPAAUDIO_DIG_PLL_OUT_ODD 1 > +#define CORE_CLK_SRC 2 > +#define EXT_MCLK0_CLK_SRC 3 > +#define LPAIF_PRI_CLK_SRC 4 > +#define LPAIF_SEC_CLK_SRC 5 > +#define LPASS_AUDIO_CORE_CORE_CLK 6 > +#define LPASS_AUDIO_CORE_EXT_MCLK0_CLK 7 > +#define LPASS_AUDIO_CORE_LPAIF_PRI_IBIT_CLK 8 > +#define LPASS_AUDIO_CORE_LPAIF_SEC_IBIT_CLK 9 > +#define LPASS_AUDIO_CORE_SYSNOC_MPORT_CORE_CLK 10 > + > +/* LPASS Core power domains */ > +#define LPASS_CORE_HM_GDSCR 0 > + > +/* LPASS Audio power domains */ > +#define LPASS_AUDIO_HM_GDSCR 0 > +#define LPASS_PDC_HM_GDSCR 1 > + > +#endif > -- > Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member > of the Code Aurora Forum, hosted by the Linux Foundation. >
