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Diffstat (limited to 'Documentation/devicetree/bindings/soc/qcom')
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diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.yaml new file mode 100644 index 000000000..a4eeb7e15 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.yaml @@ -0,0 +1,107 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/qcom/qcom,aoss-qmp.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Always-On Subsystem side channel binding + +maintainers: + - Bjorn Andersson <bjorn.andersson@linaro.org> + +description: + This binding describes the hardware component responsible for side channel + requests to the always-on subsystem (AOSS), used for certain power management + requests that is not handled by the standard RPMh interface. Each client in the + SoC has its own block of message RAM and IRQ for communication with the AOSS. + The protocol used to communicate in the message RAM is known as Qualcomm + Messaging Protocol (QMP) + + The AOSS side channel exposes control over a set of resources, used to control + a set of debug related clocks and to affect the low power state of resources + related to the secondary subsystems. + +properties: + compatible: + items: + - enum: + - qcom,sc7180-aoss-qmp + - qcom,sc7280-aoss-qmp + - qcom,sc8180x-aoss-qmp + - qcom,sdm845-aoss-qmp + - qcom,sm6350-aoss-qmp + - qcom,sm8150-aoss-qmp + - qcom,sm8250-aoss-qmp + - qcom,sm8350-aoss-qmp + - qcom,sm8450-aoss-qmp + - const: qcom,aoss-qmp + + reg: + maxItems: 1 + description: + The base address and size of the message RAM for this client's + communication with the AOSS + + interrupts: + maxItems: 1 + description: + Should specify the AOSS message IRQ for this client + + mboxes: + maxItems: 1 + description: + Reference to the mailbox representing the outgoing doorbell in APCS for + this client, as described in mailbox/mailbox.txt + + "#clock-cells": + const: 0 + description: + The single clock represents the QDSS clock. + +required: + - compatible + - reg + - interrupts + - mboxes + - "#clock-cells" + +additionalProperties: false + +patternProperties: + "^(cx|mx|ebi)$": + type: object + description: + The AOSS side channel also provides the controls for three cooling devices, + these are expressed as subnodes of the QMP node. The name of the node is + used to identify the resource and must therefor be "cx", "mx" or "ebi". + + properties: + "#cooling-cells": + const: 2 + + required: + - "#cooling-cells" + + additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + aoss_qmp: qmp@c300000 { + compatible = "qcom,sdm845-aoss-qmp", "qcom,aoss-qmp"; + reg = <0x0c300000 0x100000>; + interrupts = <GIC_SPI 389 IRQ_TYPE_EDGE_RISING>; + mboxes = <&apss_shared 0>; + + #clock-cells = <0>; + + cx_cdev: cx { + #cooling-cells = <2>; + }; + + mx_cdev: mx { + #cooling-cells = <2>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,apr.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,apr.yaml new file mode 100644 index 000000000..f47491aab --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,apr.yaml @@ -0,0 +1,271 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/soc/qcom/qcom,apr.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Qualcomm APR/GPR (Asynchronous/Generic Packet Router) binding + +maintainers: + - Srinivas Kandagatla <srinivas.kandagatla@linaro.org> + +description: | + This binding describes the Qualcomm APR/GPR, APR/GPR is a IPC protocol for + communication between Application processor and QDSP. APR/GPR is mainly + used for audio/voice services on the QDSP. + +properties: + compatible: + enum: + - qcom,apr-v2 + - qcom,gpr + + power-domains: + maxItems: 1 + + qcom,apr-domain: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [1, 2, 3, 4, 5, 6, 7] + description: + Selects the processor domain for apr + 1 = APR simulator + 2 = PC Domain + 3 = Modem Domain + 4 = ADSP Domain + 5 = Application processor Domain + 6 = Modem2 Domain + 7 = Application Processor2 Domain + deprecated: true + + qcom,domain: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 1 + maximum: 7 + description: + Selects the processor domain for apr + 1 = APR simulator + 2 = PC Domain + 3 = Modem Domain + 4 = ADSP Domain + 5 = Application processor Domain + 6 = Modem2 Domain + 7 = Application Processor2 Domain + Selects the processor domain for gpr + 1 = Modem Domain + 2 = Audio DSP Domain + 3 = Application Processor Domain + + qcom,glink-channels: + $ref: /schemas/types.yaml#/definitions/string-array + description: Channel name used for the communication + items: + - const: apr_audio_svc + + qcom,intents: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: + List of (size, amount) pairs describing what intents should be + preallocated for this virtual channel. This can be used to tweak the + default intents available for the channel to meet expectations of the + remote. + + qcom,smd-channels: + $ref: /schemas/types.yaml#/definitions/string-array + description: Channel name used for the communication + items: + - const: apr_audio_svc + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + +#APR/GPR Services +patternProperties: + "^service@[1-9a-d]$": + type: object + description: + APR/GPR node's client devices use subnodes for desired static port services. + + properties: + compatible: + enum: + - qcom,q6core + - qcom,q6asm + - qcom,q6afe + - qcom,q6adm + - qcom,q6apm + - qcom,q6prm + + reg: + minimum: 1 + maximum: 13 + description: + APR Service ID + 3 = DSP Core Service + 4 = Audio Front End Service. + 5 = Voice Stream Manager Service. + 6 = Voice processing manager. + 7 = Audio Stream Manager Service. + 8 = Audio Device Manager Service. + 9 = Multimode voice manager. + 10 = Core voice stream. + 11 = Core voice processor. + 12 = Ultrasound stream manager. + 13 = Listen stream manager. + GPR Service ID + 1 = Audio Process Manager Service + 2 = Proxy Resource Manager Service. + 3 = AMDB Service. + 4 = Voice processing manager. + + clock-controller: + $ref: /schemas/sound/qcom,q6dsp-lpass-clocks.yaml# + description: Qualcomm DSP LPASS clock controller + unevaluatedProperties: false + + dais: + type: object + oneOf: + - $ref: /schemas/sound/qcom,q6apm-dai.yaml# + - $ref: /schemas/sound/qcom,q6dsp-lpass-ports.yaml# + - $ref: /schemas/sound/qcom,q6asm-dais.yaml# + unevaluatedProperties: false + description: Qualcomm DSP audio ports + + routing: + type: object + $ref: /schemas/sound/qcom,q6adm-routing.yaml# + unevaluatedProperties: false + description: Qualcomm DSP LPASS audio routing + + qcom,protection-domain: + $ref: /schemas/types.yaml#/definitions/string-array + description: protection domain service name and path for apr service + possible values are + "avs/audio", "msm/adsp/audio_pd". + "kernel/elf_loader", "msm/modem/wlan_pd". + "tms/servreg", "msm/adsp/audio_pd". + "tms/servreg", "msm/modem/wlan_pd". + "tms/servreg", "msm/slpi/sensor_pd". + + allOf: + - if: + properties: + compatible: + enum: + - qcom,q6afe + then: + properties: + dais: + properties: + compatible: + const: qcom,q6afe-dais + + - if: + properties: + compatible: + enum: + - qcom,q6apm + then: + properties: + dais: + properties: + compatible: + enum: + - qcom,q6apm-dais + - qcom,q6apm-lpass-dais + + - if: + properties: + compatible: + enum: + - qcom,q6asm + then: + properties: + dais: + properties: + compatible: + const: qcom,q6asm-dais + + additionalProperties: false + +required: + - compatible + - qcom,domain + +allOf: + - if: + properties: + compatible: + enum: + - qcom,gpr + then: + properties: + power-domains: false + + - if: + required: + - qcom,glink-channels + then: + properties: + qcom,smd-channels: false + + - if: + required: + - qcom,smd-channels + then: + properties: + qcom,glink-channels: false + +additionalProperties: false + +examples: + - | + #include <dt-bindings/soc/qcom,apr.h> + apr { + compatible = "qcom,apr-v2"; + qcom,domain = <APR_DOMAIN_ADSP>; + #address-cells = <1>; + #size-cells = <0>; + + q6core: service@3 { + compatible = "qcom,q6core"; + reg = <APR_SVC_ADSP_CORE>; + qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd"; + }; + + q6afe: service@4 { + compatible = "qcom,q6afe"; + reg = <APR_SVC_AFE>; + qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd"; + }; + + q6asm: service@7 { + compatible = "qcom,q6asm"; + reg = <APR_SVC_ASM>; + qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd"; + }; + + q6adm: service@8 { + compatible = "qcom,q6adm"; + reg = <APR_SVC_ADM>; + qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd"; + }; + }; + + - | + #include <dt-bindings/soc/qcom,gpr.h> + gpr { + compatible = "qcom,gpr"; + qcom,domain = <GPR_DOMAIN_ID_ADSP>; + #address-cells = <1>; + #size-cells = <0>; + + service@1 { + compatible = "qcom,q6apm"; + reg = <GPR_APM_MODULE_IID>; + qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd"; + }; + }; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml new file mode 100644 index 000000000..c98aab209 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/soc/qcom/qcom,eud.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Qualcomm Embedded USB Debugger + +maintainers: + - Souradeep Chowdhury <quic_schowdhu@quicinc.com> + +description: + This binding is used to describe the Qualcomm Embedded USB Debugger, which is + mini USB-hub implemented on chip to support USB-based debug capabilities. + +properties: + compatible: + items: + - enum: + - qcom,sc7280-eud + - const: qcom,eud + + reg: + items: + - description: EUD Base Register Region + - description: EUD Mode Manager Register + + interrupts: + description: EUD interrupt + maxItems: 1 + + ports: + $ref: /schemas/graph.yaml#/properties/ports + description: + These ports is to be attached to the endpoint of the DWC3 controller node + and type C connector node. The controller has the "usb-role-switch" + property. + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: This port is to be attached to the DWC3 controller. + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: This port is to be attached to the type C connector. + +required: + - compatible + - reg + - ports + +additionalProperties: false + +examples: + - | + eud@88e0000 { + compatible = "qcom,sc7280-eud","qcom,eud"; + reg = <0x88e0000 0x2000>, + <0x88e2000 0x1000>; + ports { + #address-cells = <1>; + #size-cells = <0>; + port@0 { + reg = <0>; + eud_ep: endpoint { + remote-endpoint = <&usb2_role_switch>; + }; + }; + port@1 { + reg = <1>; + eud_con: endpoint { + remote-endpoint = <&con_eud>; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml new file mode 100644 index 000000000..2bf5293fc --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml @@ -0,0 +1,131 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/soc/qcom/qcom,geni-se.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: GENI Serial Engine QUP Wrapper Controller + +maintainers: + - Bjorn Andersson <bjorn.andersson@linaro.org> + +description: | + Generic Interface (GENI) based Qualcomm Universal Peripheral (QUP) wrapper + is a programmable module for supporting a wide range of serial interfaces + like UART, SPI, I2C, I3C, etc. A single QUP module can provide upto 8 Serial + Interfaces, using its internal Serial Engines. The GENI Serial Engine QUP + Wrapper controller is modeled as a node with zero or more child nodes each + representing a serial engine. + +properties: + compatible: + enum: + - qcom,geni-se-qup + + reg: + description: QUP wrapper common register address and length. + maxItems: 1 + + clock-names: + items: + - const: m-ahb + - const: s-ahb + + clocks: + items: + - description: Master AHB Clock + - description: Slave AHB Clock + + "#address-cells": + const: 2 + + "#size-cells": + const: 2 + + ranges: true + + interconnects: + maxItems: 1 + + interconnect-names: + const: qup-core + + iommus: + maxItems: 1 + +required: + - compatible + - reg + - clock-names + - clocks + - "#address-cells" + - "#size-cells" + - ranges + +patternProperties: + "spi@[0-9a-f]+$": + type: object + description: GENI serial engine based SPI controller. SPI in master mode + supports up to 50MHz, up to four chip selects, programmable + data path from 4 bits to 32 bits and numerous protocol + variants. + $ref: /schemas/spi/qcom,spi-geni-qcom.yaml# + + "i2c@[0-9a-f]+$": + type: object + description: GENI serial engine based I2C controller. + $ref: /schemas/i2c/qcom,i2c-geni-qcom.yaml# + + "serial@[0-9a-f]+$": + type: object + description: GENI Serial Engine based UART Controller. + $ref: /schemas/serial/qcom,serial-geni-qcom.yaml# + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,gcc-sdm845.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + soc { + #address-cells = <2>; + #size-cells = <2>; + + geniqup@8c0000 { + compatible = "qcom,geni-se-qup"; + reg = <0 0x008c0000 0 0x6000>; + clock-names = "m-ahb", "s-ahb"; + clocks = <&gcc GCC_QUPV3_WRAP_0_M_AHB_CLK>, + <&gcc GCC_QUPV3_WRAP_0_S_AHB_CLK>; + #address-cells = <2>; + #size-cells = <2>; + ranges; + + i2c0: i2c@a94000 { + compatible = "qcom,geni-i2c"; + reg = <0 0xa94000 0 0x4000>; + interrupts = <GIC_SPI 358 IRQ_TYPE_LEVEL_HIGH>; + clock-names = "se"; + clocks = <&gcc GCC_QUPV3_WRAP0_S5_CLK>; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&qup_1_i2c_5_active>; + pinctrl-1 = <&qup_1_i2c_5_sleep>; + #address-cells = <1>; + #size-cells = <0>; + }; + + uart0: serial@a88000 { + compatible = "qcom,geni-uart"; + reg = <0 0xa88000 0 0x7000>; + interrupts = <GIC_SPI 355 IRQ_TYPE_LEVEL_HIGH>; + clock-names = "se"; + clocks = <&gcc GCC_QUPV3_WRAP0_S0_CLK>; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&qup_1_uart_3_active>; + pinctrl-1 = <&qup_1_uart_3_sleep>; + }; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt new file mode 100644 index 000000000..121419284 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt @@ -0,0 +1,94 @@ +Qualcomm GLINK edge binding + +This binding describes a Qualcomm GLINK edge, a fifo based mechanism for +communication between subsystem-pairs on various Qualcomm platforms. Two types +of edges can be described by the binding; the GLINK RPM edge and a SMEM based +edge. + +- compatible: + Usage: required for glink-rpm + Value type: <stringlist> + Definition: must be "qcom,glink-rpm" + +- label: + Usage: optional + Value type: <string> + Definition: should specify the subsystem name this edge corresponds to. + +- interrupts: + Usage: required + Value type: <prop-encoded-array> + Definition: should specify the IRQ used by the remote processor to + signal this processor about communication related events + +- qcom,remote-pid: + Usage: required for glink-smem + Value type: <u32> + Definition: specifies the identifier of the remote endpoint of this edge + +- qcom,rpm-msg-ram: + Usage: required for glink-rpm + Value type: <prop-encoded-array> + Definition: handle to RPM message memory resource + +- mboxes: + Usage: required + Value type: <prop-encoded-array> + Definition: reference to the "rpm_hlos" mailbox in APCS, as described + in mailbox/mailbox.txt + += GLINK DEVICES +Each subnode of the GLINK node represent function tied to a virtual +communication channel. The name of the nodes are not important. The properties +of these nodes are defined by the individual bindings for the specific function +- but must contain the following property: + +- qcom,glink-channels: + Usage: required + Value type: <stringlist> + Definition: a list of channels tied to this function, used for matching + the function to a set of virtual channels + +- qcom,intents: + Usage: optional + Value type: <prop-encoded-array> + Definition: a list of size,amount pairs describing what intents should + be preallocated for this virtual channel. This can be used + to tweak the default intents available for the channel to + meet expectations of the remote. + += EXAMPLE +The following example represents the GLINK RPM node on a MSM8996 device, with +the function for the "rpm_request" channel defined, which is used for +regulators and root clocks. + + apcs_glb: mailbox@9820000 { + compatible = "qcom,msm8996-apcs-hmss-global"; + reg = <0x9820000 0x1000>; + + #mbox-cells = <1>; + }; + + rpm_msg_ram: memory@68000 { + compatible = "qcom,rpm-msg-ram"; + reg = <0x68000 0x6000>; + }; + + rpm-glink { + compatible = "qcom,glink-rpm"; + + interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>; + + qcom,rpm-msg-ram = <&rpm_msg_ram>; + + mboxes = <&apcs_glb 0>; + + rpm-requests { + compatible = "qcom,rpm-msm8996"; + qcom,glink-channels = "rpm_requests"; + + qcom,intents = <0x400 5 + 0x800 1>; + ... + }; + }; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,gsbi.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,gsbi.yaml new file mode 100644 index 000000000..c33704333 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,gsbi.yaml @@ -0,0 +1,132 @@ +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/qcom/qcom,gsbi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm General Serial Bus Interface (GSBI) + +maintainers: + - Andy Gross <agross@kernel.org> + - Bjorn Andersson <bjorn.andersson@linaro.org> + - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> + +description: + The GSBI controller is modeled as a node with zero or more child nodes, each + representing a serial sub-node device that is mux'd as part of the GSBI + configuration settings. The mode setting will govern the input/output mode + of the 4 GSBI IOs. + + A GSBI controller node can contain 0 or more child nodes representing serial + devices. These serial devices can be a QCOM UART, I2C controller, spi + controller, or some combination of aforementioned devices. + +properties: + compatible: + const: qcom,gsbi-v1.0.0 + + '#address-cells': + const: 1 + + cell-index: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The GSBI index. + + clocks: + maxItems: 1 + + clock-names: + const: iface + + qcom,crci: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + CRCI MUX value for QUP CRCI ports. Please reference + include/dt-bindings/soc/qcom,gsbi.h for valid CRCI mux values. + + qcom,mode: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + MUX value for configuration of the serial interface. Please reference + include/dt-bindings/soc/qcom,gsbi.h for valid mux values. + + '#size-cells': + const: 1 + + syscon-tcsr: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle of TCSR syscon node.Required if child uses dma. + + ranges: true + + reg: + maxItems: 1 + +patternProperties: + "spi@[0-9a-f]+$": + type: object + $ref: /schemas/spi/qcom,spi-qup.yaml# + + "i2c@[0-9a-f]+$": + type: object + $ref: /schemas/i2c/qcom,i2c-qup.yaml# + + "serial@[0-9a-f]+$": + type: object + $ref: /schemas/serial/qcom,msm-uartdm.yaml# + +required: + - compatible + - cell-index + - clocks + - clock-names + - qcom,mode + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,gcc-msm8960.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/soc/qcom,gsbi.h> + + gsbi@12440000 { + compatible = "qcom,gsbi-v1.0.0"; + reg = <0x12440000 0x100>; + cell-index = <1>; + clocks = <&gcc GSBI1_H_CLK>; + clock-names = "iface"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + syscon-tcsr = <&tcsr>; + qcom,mode = <GSBI_PROT_I2C_UART>; + + serial@12450000 { + compatible = "qcom,msm-uartdm-v1.3", "qcom,msm-uartdm"; + reg = <0x12450000 0x100>, + <0x12400000 0x03>; + interrupts = <0 193 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&gcc GSBI1_UART_CLK>, <&gcc GSBI1_H_CLK>; + clock-names = "core", "iface"; + }; + + i2c@12460000 { + compatible = "qcom,i2c-qup-v1.1.1"; + reg = <0x12460000 0x1000>; + pinctrl-0 = <&i2c1_pins>; + pinctrl-1 = <&i2c1_pins_sleep>; + pinctrl-names = "default", "sleep"; + interrupts = <0 194 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&gcc GSBI1_QUP_CLK>, <&gcc GSBI1_H_CLK>; + clock-names = "core", "iface"; + #address-cells = <1>; + #size-cells = <0>; + + status = "disabled"; /* UART chosen */ + }; + }; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,rpmh-rsc.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,rpmh-rsc.yaml new file mode 100644 index 000000000..4a50f1d27 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,rpmh-rsc.yaml @@ -0,0 +1,261 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/qcom/qcom,rpmh-rsc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm RPMH RSC + +maintainers: + - Bjorn Andersson <bjorn.andersson@linaro.org> + +description: | + Resource Power Manager Hardened (RPMH) is the mechanism for communicating + with the hardened resource accelerators on Qualcomm SoCs. Requests to the + resources can be written to the Trigger Command Set (TCS) registers and + using a (addr, val) pair and triggered. Messages in the TCS are then sent in + sequence over an internal bus. + + The hardware block (Direct Resource Voter or DRV) is a part of the h/w entity + (Resource State Coordinator a.k.a RSC) that can handle multiple sleep and + active/wake resource requests. Multiple such DRVs can exist in a SoC and can + be written to from Linux. The structure of each DRV follows the same template + with a few variations that are captured by the properties here. + + A TCS may be triggered from Linux or triggered by the F/W after all the CPUs + have powered off to facilitate idle power saving. TCS could be classified as:: + ACTIVE - Triggered by Linux + SLEEP - Triggered by F/W + WAKE - Triggered by F/W + CONTROL - Triggered by F/W + See also:: <dt-bindings/soc/qcom,rpmh-rsc.h> + + The order in which they are described in the DT, should match the hardware + configuration. + + Requests can be made for the state of a resource, when the subsystem is + active or idle. When all subsystems like Modem, GPU, CPU are idle, the + resource state will be an aggregate of the sleep votes from each of those + subsystems. Clients may request a sleep value for their shared resources in + addition to the active mode requests. + + Drivers that want to use the RSC to communicate with RPMH must specify their + bindings as child nodes of the RSC controllers they wish to communicate with. + +properties: + compatible: + const: qcom,rpmh-rsc + + interrupts: + minItems: 1 + maxItems: 4 + description: + The interrupt that trips when a message complete/response is received for + this DRV from the accelerators. + Number of interrupts must match number of DRV blocks. + + label: + description: + Name for the RSC. The name would be used in trace logs. + + qcom,drv-id: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The ID of the DRV in the RSC block that will be used by this controller. + + qcom,tcs-config: + $ref: /schemas/types.yaml#/definitions/uint32-matrix + minItems: 4 + maxItems: 4 + items: + items: + - description: | + TCS type:: + - ACTIVE_TCS + - SLEEP_TCS + - WAKE_TCS + - CONTROL_TCS + enum: [ 0, 1, 2, 3 ] + - description: Number of TCS + description: | + The tuple defining the configuration of TCS. Must have two cells which + describe each TCS type. The order of the TCS must match the hardware + configuration. + + qcom,tcs-offset: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The offset of the TCS blocks. + + reg: + minItems: 1 + maxItems: 4 + + reg-names: + minItems: 1 + items: + - const: drv-0 + - const: drv-1 + - const: drv-2 + - const: drv-3 + + bcm-voter: + $ref: /schemas/interconnect/qcom,bcm-voter.yaml# + + clock-controller: + $ref: /schemas/clock/qcom,rpmhcc.yaml# + + power-controller: + $ref: /schemas/power/qcom,rpmpd.yaml# + +patternProperties: + '-regulators$': + $ref: /schemas/regulator/qcom,rpmh-regulator.yaml# + +required: + - compatible + - interrupts + - qcom,drv-id + - qcom,tcs-config + - qcom,tcs-offset + - reg + - reg-names + +additionalProperties: false + +examples: + - | + // For a TCS whose RSC base address is 0x179C0000 and is at a DRV id of + // 2, the register offsets for DRV2 start at 0D00, the register + // calculations are like this:: + // DRV0: 0x179C0000 + // DRV2: 0x179C0000 + 0x10000 = 0x179D0000 + // DRV2: 0x179C0000 + 0x10000 * 2 = 0x179E0000 + // TCS-OFFSET: 0xD00 + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/soc/qcom,rpmh-rsc.h> + + rsc@179c0000 { + compatible = "qcom,rpmh-rsc"; + reg = <0x179c0000 0x10000>, + <0x179d0000 0x10000>, + <0x179e0000 0x10000>; + reg-names = "drv-0", "drv-1", "drv-2"; + interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>; + label = "apps_rsc"; + qcom,tcs-offset = <0xd00>; + qcom,drv-id = <2>; + qcom,tcs-config = <ACTIVE_TCS 2>, + <SLEEP_TCS 3>, + <WAKE_TCS 3>, + <CONTROL_TCS 1>; + }; + + - | + // For a TCS whose RSC base address is 0xAF20000 and is at DRV id of 0, the + // register offsets for DRV0 start at 01C00, the register calculations are + // like this:: + // DRV0: 0xAF20000 + // TCS-OFFSET: 0x1C00 + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/soc/qcom,rpmh-rsc.h> + + rsc@af20000 { + compatible = "qcom,rpmh-rsc"; + reg = <0xaf20000 0x10000>; + reg-names = "drv-0"; + interrupts = <GIC_SPI 129 IRQ_TYPE_LEVEL_HIGH>; + label = "disp_rsc"; + qcom,tcs-offset = <0x1c00>; + qcom,drv-id = <0>; + qcom,tcs-config = <ACTIVE_TCS 0>, + <SLEEP_TCS 1>, + <WAKE_TCS 1>, + <CONTROL_TCS 0>; + }; + + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/soc/qcom,rpmh-rsc.h> + #include <dt-bindings/power/qcom-rpmpd.h> + + rsc@18200000 { + compatible = "qcom,rpmh-rsc"; + reg = <0x18200000 0x10000>, + <0x18210000 0x10000>, + <0x18220000 0x10000>; + reg-names = "drv-0", "drv-1", "drv-2"; + interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>; + label = "apps_rsc"; + qcom,tcs-offset = <0xd00>; + qcom,drv-id = <2>; + qcom,tcs-config = <ACTIVE_TCS 2>, + <SLEEP_TCS 3>, + <WAKE_TCS 3>, + <CONTROL_TCS 0>; + + clock-controller { + compatible = "qcom,sm8350-rpmh-clk"; + #clock-cells = <1>; + clock-names = "xo"; + clocks = <&xo_board>; + }; + + power-controller { + compatible = "qcom,sm8350-rpmhpd"; + #power-domain-cells = <1>; + operating-points-v2 = <&rpmhpd_opp_table>; + + rpmhpd_opp_table: opp-table { + compatible = "operating-points-v2"; + + rpmhpd_opp_ret: opp1 { + opp-level = <RPMH_REGULATOR_LEVEL_RETENTION>; + }; + + rpmhpd_opp_min_svs: opp2 { + opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>; + }; + + rpmhpd_opp_low_svs: opp3 { + opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>; + }; + + rpmhpd_opp_svs: opp4 { + opp-level = <RPMH_REGULATOR_LEVEL_SVS>; + }; + + rpmhpd_opp_svs_l1: opp5 { + opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>; + }; + + rpmhpd_opp_nom: opp6 { + opp-level = <RPMH_REGULATOR_LEVEL_NOM>; + }; + + rpmhpd_opp_nom_l1: opp7 { + opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>; + }; + + rpmhpd_opp_nom_l2: opp8 { + opp-level = <RPMH_REGULATOR_LEVEL_NOM_L2>; + }; + + rpmhpd_opp_turbo: opp9 { + opp-level = <RPMH_REGULATOR_LEVEL_TURBO>; + }; + + rpmhpd_opp_turbo_l1: opp10 { + opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>; + }; + }; + }; + + bcm-voter { + compatible = "qcom,bcm-voter"; + }; + }; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml new file mode 100644 index 000000000..09d5bfa92 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml @@ -0,0 +1,124 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/soc/qcom/qcom,smd-rpm.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Qualcomm Resource Power Manager (RPM) over SMD + +description: | + This driver is used to interface with the Resource Power Manager (RPM) found + in various Qualcomm platforms. The RPM allows each component in the system + to vote for state of the system resources, such as clocks, regulators and bus + frequencies. + + The SMD information for the RPM edge should be filled out. See qcom,smd.yaml + for the required edge properties. All SMD related properties will reside + within the RPM node itself. + + The RPM exposes resources to its subnodes. The rpm_requests node must be + present and this subnode may contain children that designate regulator + resources. + + Refer to Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.yaml + for information on the regulator subnodes that can exist under the + rpm_requests. + +maintainers: + - Andy Gross <agross@kernel.org> + - Bjorn Andersson <bjorn.andersson@linaro.org> + +properties: + compatible: + enum: + - qcom,rpm-apq8084 + - qcom,rpm-ipq6018 + - qcom,rpm-msm8226 + - qcom,rpm-msm8909 + - qcom,rpm-msm8916 + - qcom,rpm-msm8936 + - qcom,rpm-msm8953 + - qcom,rpm-msm8974 + - qcom,rpm-msm8976 + - qcom,rpm-msm8996 + - qcom,rpm-msm8998 + - qcom,rpm-sdm660 + - qcom,rpm-sm6115 + - qcom,rpm-sm6125 + - qcom,rpm-qcm2290 + - qcom,rpm-qcs404 + + clock-controller: + $ref: /schemas/clock/qcom,rpmcc.yaml# + unevaluatedProperties: false + + power-controller: + $ref: /schemas/power/qcom,rpmpd.yaml# + + qcom,smd-channels: + $ref: /schemas/types.yaml#/definitions/string-array + description: Channel name used for the RPM communication + items: + - const: rpm_requests + +if: + properties: + compatible: + contains: + enum: + - qcom,rpm-apq8084 + - qcom,rpm-msm8916 + - qcom,rpm-msm8974 + - qcom,rpm-msm8953 +then: + required: + - qcom,smd-channels + +required: + - compatible + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + + smd { + compatible = "qcom,smd"; + + rpm { + interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>; + qcom,ipc = <&apcs 8 0>; + qcom,smd-edge = <15>; + + rpm-requests { + compatible = "qcom,rpm-msm8916"; + qcom,smd-channels = "rpm_requests"; + + clock-controller { + compatible = "qcom,rpmcc-msm8916", "qcom,rpmcc"; + #clock-cells = <1>; + clocks = <&xo_board>; + clock-names = "xo"; + }; + + power-controller { + compatible = "qcom,msm8916-rpmpd"; + #power-domain-cells = <1>; + operating-points-v2 = <&rpmpd_opp_table>; + + rpmpd_opp_table: opp-table { + compatible = "operating-points-v2"; + + opp-1 { + opp-level = <1>; + }; + opp-2 { + opp-level = <2>; + }; + }; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smd.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,smd.yaml new file mode 100644 index 000000000..063e595c1 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,smd.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/qcom/qcom,smd.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Shared Memory Driver + +maintainers: + - Andy Gross <agross@kernel.org> + - Bjorn Andersson <bjorn.andersson@linaro.org> + - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> + +description: + The Qualcomm Shared Memory Driver is a FIFO based communication channel for + sending data between the various subsystems in Qualcomm platforms. + +properties: + compatible: + const: qcom,smd + +patternProperties: + "^smd-edge|rpm$": + $ref: /schemas/remoteproc/qcom,smd-edge.yaml# + unevaluatedProperties: false + description: + Each subnode of the SMD node represents a remote subsystem or a remote + processor of some sort - or in SMD language an "edge". The name of the + edges are not important. + +required: + - compatible + +additionalProperties: false + +examples: + # The following example represents a smd node, with one edge representing the + # "rpm" subsystem. For the "rpm" subsystem we have a device tied to the + # "rpm_request" channel. + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + shared-memory { + compatible = "qcom,smd"; + + rpm { + interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>; + qcom,ipc = <&apcs 8 0>; + qcom,smd-edge = <15>; + + rpm-requests { + compatible = "qcom,rpm-msm8974"; + qcom,smd-channels = "rpm_requests"; + + clock-controller { + compatible = "qcom,rpmcc-msm8974", "qcom,rpmcc"; + #clock-cells = <1>; + }; + + }; + }; + }; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smem.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,smem.yaml new file mode 100644 index 000000000..4149cf2b6 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,smem.yaml @@ -0,0 +1,98 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/soc/qcom/qcom,smem.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Qualcomm Shared Memory Manager binding + +maintainers: + - Andy Gross <agross@kernel.org> + - Bjorn Andersson <bjorn.andersson@linaro.org> + +description: + This binding describes the Qualcomm Shared Memory Manager, a region of + reserved-memory used to share data between various subsystems and OSes in + Qualcomm platforms. + +properties: + compatible: + const: qcom,smem + + reg: + maxItems: 1 + + memory-region: + maxItems: 1 + description: handle to memory reservation for main SMEM memory region. + + hwlocks: + maxItems: 1 + + qcom,rpm-msg-ram: + $ref: /schemas/types.yaml#/definitions/phandle + description: handle to RPM message memory resource + + no-map: true + +required: + - compatible + - hwlocks + +oneOf: + - required: + - reg + - no-map + - required: + - memory-region + +additionalProperties: false + +examples: + - | + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + smem@fa00000 { + compatible = "qcom,smem"; + reg = <0xfa00000 0x200000>; + no-map; + + hwlocks = <&tcsr_mutex 3>; + }; + }; + - | + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + smem_region: smem@fa00000 { + reg = <0xfa00000 0x200000>; + no-map; + }; + }; + + smem { + compatible = "qcom,smem"; + + memory-region = <&smem_region>; + qcom,rpm-msg-ram = <&rpm_msg_ram>; + + hwlocks = <&tcsr_mutex 3>; + }; + + soc { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + rpm_msg_ram: sram@fc428000 { + compatible = "qcom,rpm-msg-ram"; + reg = <0xfc428000 0x4000>; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.yaml new file mode 100644 index 000000000..795bd8cd4 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.yaml @@ -0,0 +1,145 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/qcom/qcom,smp2p.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Shared Memory Point 2 Point + +maintainers: + - Andy Gross <agross@kernel.org> + - Bjorn Andersson <bjorn.andersson@linaro.org> + - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> + +description: + The Shared Memory Point to Point (SMP2P) protocol facilitates communication + of a single 32-bit value between two processors. Each value has a single + writer (the local side) and a single reader (the remote side). Values are + uniquely identified in the system by the directed edge (local processor ID to + remote processor ID) and a string identifier. + +properties: + compatible: + const: qcom,smp2p + + interrupts: + maxItems: 1 + + mboxes: + maxItems: 1 + description: + Reference to the mailbox representing the outgoing doorbell in APCS for + this client. + + qcom,ipc: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: phandle to a syscon node representing the APCS registers + - description: u32 representing offset to the register within the syscon + - description: u32 representing the ipc bit within the register + description: + Three entries specifying the outgoing ipc bit used for signaling the + remote end of the smp2p edge. + + qcom,local-pid: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The identifier of the local endpoint of this edge. + + qcom,remote-pid: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The identifier of the remote endpoint of this edge. + + qcom,smem: + $ref: /schemas/types.yaml#/definitions/uint32-array + items: + maxItems: 2 + description: + Two identifiers of the inbound and outbound smem items used for this edge. + +patternProperties: + "^master-kernel|slave-kernel|ipa-ap-to-modem|ipa-modem-to-ap$": + type: object + description: + Each SMP2P pair contain a set of inbound and outbound entries, these are + described in subnodes of the smp2p device node. The node names are not + important. + + properties: + interrupt-controller: + description: + Marks the entry as inbound; the node should be specified as a two + cell interrupt-controller. If not specified this node will denote + the outgoing entry. + + '#interrupt-cells': + const: 2 + + qcom,entry-name: + $ref: /schemas/types.yaml#/definitions/string + description: + The name of this entry, for inbound entries this will be used to + match against the remotely allocated entry and for outbound entries + this name is used for allocating entries. + + '#qcom,smem-state-cells': + $ref: /schemas/types.yaml#/definitions/uint32 + const: 1 + description: + Required for outgoing entries. + + required: + - qcom,entry-name + + oneOf: + - required: + - interrupt-controller + - '#interrupt-cells' + - required: + - '#qcom,smem-state-cells' + + additionalProperties: false + +required: + - compatible + - interrupts + - qcom,local-pid + - qcom,remote-pid + - qcom,smem + +oneOf: + - required: + - mboxes + - required: + - qcom,ipc + +additionalProperties: false + +examples: + # The following example shows the SMP2P setup with the wireless processor, + # defined from the 8974 apps processor's point-of-view. It encompasses one + # inbound and one outbound entry. + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + shared-memory { + compatible = "qcom,smp2p"; + qcom,smem = <431>, <451>; + interrupts = <GIC_SPI 143 IRQ_TYPE_EDGE_RISING>; + qcom,ipc = <&apcs 8 18>; + qcom,local-pid = <0>; + qcom,remote-pid = <4>; + + wcnss_smp2p_out: master-kernel { + qcom,entry-name = "master-kernel"; + #qcom,smem-state-cells = <1>; + }; + + wcnss_smp2p_in: slave-kernel { + qcom,entry-name = "slave-kernel"; + interrupt-controller; + #interrupt-cells = <2>; + }; + }; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smsm.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,smsm.yaml new file mode 100644 index 000000000..db67cf043 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,smsm.yaml @@ -0,0 +1,138 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/qcom/qcom,smsm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Shared Memory State Machine + +maintainers: + - Andy Gross <agross@kernel.org> + - Bjorn Andersson <bjorn.andersson@linaro.org> + - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> + +description: + The Shared Memory State Machine facilitates broadcasting of single bit state + information between the processors in a Qualcomm SoC. Each processor is + assigned 32 bits of state that can be modified. A processor can through a + matrix of bitmaps signal subscription of notifications upon changes to a + certain bit owned by a certain remote processor. + +properties: + compatible: + const: qcom,smsm + + '#address-cells': + const: 1 + + qcom,local-host: + $ref: /schemas/types.yaml#/definitions/uint32 + default: 0 + description: + Identifier of the local processor in the list of hosts, or in other words + specifier of the column in the subscription matrix representing the local + processor. + + '#size-cells': + const: 0 + +patternProperties: + "^qcom,ipc-[1-4]$": + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: phandle to a syscon node representing the APCS registers + - description: u32 representing offset to the register within the syscon + - description: u32 representing the ipc bit within the register + description: + Three entries specifying the outgoing ipc bit used for signaling the N:th + remote processor. + + "@[0-9a-f]$": + type: object + description: + Each processor's state bits are described by a subnode of the SMSM device + node. Nodes can either be flagged as an interrupt-controller to denote a + remote processor's state bits or the local processors bits. The node + names are not important. + + properties: + reg: + maxItems: 1 + + interrupt-controller: + description: + Marks the entry as a interrupt-controller and the state bits to + belong to a remote processor. + + '#interrupt-cells': + const: 2 + + interrupts: + maxItems: 1 + description: + One entry specifying remote IRQ used by the remote processor to + signal changes of its state bits. + + '#qcom,smem-state-cells': + $ref: /schemas/types.yaml#/definitions/uint32 + const: 1 + description: + Required for local entry. Denotes bit number. + + required: + - reg + + oneOf: + - required: + - '#qcom,smem-state-cells' + - required: + - interrupt-controller + - '#interrupt-cells' + - interrupts + + additionalProperties: false + +required: + - compatible + - '#address-cells' + - '#size-cells' + +anyOf: + - required: + - qcom,ipc-1 + - required: + - qcom,ipc-2 + - required: + - qcom,ipc-3 + - required: + - qcom,ipc-4 + +additionalProperties: false + +examples: + # The following example shows the SMEM setup for controlling properties of + # the wireless processor, defined from the 8974 apps processor's + # point-of-view. It encompasses one outbound entry and the outgoing interrupt + # for the wireless processor. + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + shared-memory { + compatible = "qcom,smsm"; + #address-cells = <1>; + #size-cells = <0>; + qcom,ipc-3 = <&apcs 8 19>; + + apps_smsm: apps@0 { + reg = <0>; + #qcom,smem-state-cells = <1>; + }; + + wcnss_smsm: wcnss@7 { + reg = <7>; + interrupts = <GIC_SPI 144 IRQ_TYPE_EDGE_RISING>; + interrupt-controller; + #interrupt-cells = <2>; + }; + }; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,spm.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,spm.yaml new file mode 100644 index 000000000..f433e6e0a --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,spm.yaml @@ -0,0 +1,82 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/soc/qcom/qcom,spm.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Qualcomm Subsystem Power Manager binding + +maintainers: + - Andy Gross <agross@kernel.org> + - Bjorn Andersson <bjorn.andersson@linaro.org> + +description: | + This binding describes the Qualcomm Subsystem Power Manager, used to control + the peripheral logic surrounding the application cores in Qualcomm platforms. + +properties: + compatible: + items: + - enum: + - qcom,sdm660-gold-saw2-v4.1-l2 + - qcom,sdm660-silver-saw2-v4.1-l2 + - qcom,msm8998-gold-saw2-v4.1-l2 + - qcom,msm8998-silver-saw2-v4.1-l2 + - qcom,msm8909-saw2-v3.0-cpu + - qcom,msm8916-saw2-v3.0-cpu + - qcom,msm8226-saw2-v2.1-cpu + - qcom,msm8974-saw2-v2.1-cpu + - qcom,apq8084-saw2-v2.1-cpu + - qcom,apq8064-saw2-v1.1-cpu + - const: qcom,saw2 + + reg: + description: Base address and size of the SPM register region + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + + /* Example 1: SoC using SAW2 and kpss-acc-v2 CPUIdle */ + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "qcom,kryo"; + device_type = "cpu"; + enable-method = "qcom,kpss-acc-v2"; + qcom,saw = <&saw0>; + reg = <0x0>; + operating-points-v2 = <&cpu_opp_table>; + }; + }; + + saw0: power-manager@f9089000 { + compatible = "qcom,msm8974-saw2-v2.1-cpu", "qcom,saw2"; + reg = <0xf9089000 0x1000>; + }; + + - | + + /* + * Example 2: New-gen multi cluster SoC using SAW only for L2; + * This does not require any cpuidle driver, nor any cpu phandle. + */ + power-manager@17812000 { + compatible = "qcom,msm8998-gold-saw2-v4.1-l2", "qcom,saw2"; + reg = <0x17812000 0x1000>; + }; + + power-manager@17912000 { + compatible = "qcom,msm8998-silver-saw2-v4.1-l2", "qcom,saw2"; + reg = <0x17912000 0x1000>; + }; + +... diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,wcnss.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,wcnss.yaml new file mode 100644 index 000000000..5320504bb --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,wcnss.yaml @@ -0,0 +1,136 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/qcom/qcom,wcnss.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm WCNSS + +maintainers: + - Andy Gross <agross@kernel.org> + - Bjorn Andersson <bjorn.andersson@linaro.org> + +description: + The Qualcomm WCNSS hardware consists of control block and a BT, WiFi and FM + radio block, all using SMD as command channels. + +properties: + compatible: + const: qcom,wcnss + + firmware-name: + $ref: /schemas/types.yaml#/definitions/string + default: "wlan/prima/WCNSS_qcom_wlan_nv.bin" + description: + Relative firmware image path for the WLAN NV blob. + + qcom,mmio: + $ref: /schemas/types.yaml#/definitions/phandle + description: | + Reference to a node specifying the wcnss "ccu" and "dxe" register blocks. + The node must be compatible with one of the following:: + - qcom,riva" + - qcom,pronto" + + qcom,smd-channels: + $ref: /schemas/types.yaml#/definitions/string + const: WCNSS_CTRL + description: + Standard SMD property specifying the SMD channel used for communication + with the WiFi firmware. + + bluetooth: + type: object + additionalProperties: false + properties: + compatible: + const: qcom,wcnss-bt + + local-bd-address: + $ref: /schemas/types.yaml#/definitions/uint8-array + maxItems: 6 + description: + See Documentation/devicetree/bindings/net/bluetooth.txt + + required: + - compatible + + wifi: + additionalProperties: false + type: object + properties: + compatible: + const: qcom,wcnss-wlan + + interrupts: + maxItems: 2 + + interrupt-names: + items: + - const: tx + - const: rx + + qcom,smem-states: + $ref: /schemas/types.yaml#/definitions/phandle-array + maxItems: 2 + description: + Should reference the tx-enable and tx-rings-empty SMEM states. + + qcom,smem-state-names: + items: + - const: tx-enable + - const: tx-rings-empty + description: + Names of SMEM states. + + required: + - compatible + - interrupts + - interrupt-names + - qcom,smem-states + - qcom,smem-state-names + +required: + - compatible + - qcom,mmio + - qcom,smd-channels + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + smd-edge { + interrupts = <GIC_SPI 142 IRQ_TYPE_EDGE_RISING>; + + qcom,ipc = <&apcs 8 17>; + qcom,smd-edge = <6>; + qcom,remote-pid = <4>; + + label = "pronto"; + + wcnss { + compatible = "qcom,wcnss"; + qcom,smd-channels = "WCNSS_CTRL"; + + qcom,mmio = <&pronto>; + + bluetooth { + compatible = "qcom,wcnss-bt"; + /* BD address 00:11:22:33:44:55 */ + local-bd-address = [ 55 44 33 22 11 00 ]; + }; + + wifi { + compatible = "qcom,wcnss-wlan"; + + interrupts = <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "tx", "rx"; + + qcom,smem-states = <&apps_smsm 10>, <&apps_smsm 9>; + qcom,smem-state-names = "tx-enable", "tx-rings-empty"; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom-stats.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom-stats.yaml new file mode 100644 index 000000000..48eda4d0d --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom-stats.yaml @@ -0,0 +1,53 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/qcom/qcom-stats.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Technologies, Inc. (QTI) Stats bindings + +maintainers: + - Maulik Shah <mkshah@codeaurora.org> + +description: + Always On Processor/Resource Power Manager maintains statistics of the SoC + sleep modes involving powering down of the rails and oscillator clock. + + Statistics includes SoC sleep mode type, number of times low power mode were + entered, time of last entry, time of last exit and accumulated sleep duration. + +properties: + compatible: + enum: + - qcom,rpmh-stats + - qcom,sdm845-rpmh-stats + - qcom,rpm-stats + # For older RPM firmware versions with fixed offset for the sleep stats + - qcom,apq8084-rpm-stats + - qcom,msm8226-rpm-stats + - qcom,msm8916-rpm-stats + - qcom,msm8974-rpm-stats + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + # Example of rpmh sleep stats + - | + sram@c3f0000 { + compatible = "qcom,rpmh-stats"; + reg = <0x0c3f0000 0x400>; + }; + # Example of rpm sleep stats + - | + sram@4690000 { + compatible = "qcom,rpm-stats"; + reg = <0x04690000 0x10000>; + }; +... |