summaryrefslogtreecommitdiffstats
path: root/Documentation
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2023-02-13 16:19:55 +0100
committerArnd Bergmann <arnd@arndb.de>2023-02-13 16:21:41 +0100
commit01e9d2c6bea9823103958bd3d71f61b9900ef5be (patch)
tree23ae4d85cd05060b729a65ee291174e498006406 /Documentation
parentsoc: sunxi: SUN20I_PPU should depend on PM (diff)
parentfirmware: qcom: scm: Add wait-queue handling logic (diff)
downloadlinux-01e9d2c6bea9823103958bd3d71f61b9900ef5be.tar.xz
linux-01e9d2c6bea9823103958bd3d71f61b9900ef5be.zip
Merge tag 'qcom-drivers-for-6.3' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers
Qualcomm driver updates for v6.3 This introduces a new driver for the Data Capture and Compare block, which provides a mechanism for capturing hardware state (access MMIO registers) either upon request of triggered automatically e.g. upon a watchdog bite, for post mortem analysis. The remote filesystem memory share driver gains support for having its memory bound to more than a single VMID. The SCM driver gains the minimal support needed to support a new mechanism where secure world can put calls on hold and later request them to be retried. Support for the new SA8775P platform is added to rpmhpd, QDU1000 is added to the SCM driver and a long list of platforms are added to the socinfo driver. Support for socinfo data revision 16 is also introduced. Lastly a driver to program the ramp controller in MSM8976 is introduced. * tag 'qcom-drivers-for-6.3' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (33 commits) firmware: qcom: scm: Add wait-queue handling logic dt-bindings: firmware: qcom,scm: Add optional interrupt Revert "dt-bindings: power: rpmpd: Add SM4250 support" Revert "soc: qcom: rpmpd: Add SM4250 support" soc: qcom: socinfo: Add a bunch of older SoCs dt-bindings: arm: qcom,ids: Add a bunch of older SoCs dt-bindings: arm: qcom,ids: Add QRD board ID soc: qcom: socinfo: Fix soc_id order dt-bindings: soc: qcom: smd-rpm: Exclude MSM8936 from glink-channels dt-bindings: firmware: qcom: scm: Separate VMIDs from header to bindings soc: qcom: rmtfs: Optionally map RMTFS to more VMs dt-bindings: reserved-memory: rmtfs: Make qcom,vmid an array dt-bindings: firmware: scm: Add QDU1000/QRU1000 compatible dt-bindings: firmware: qcom,scm: narrow clocks and interconnects dt-bindings: firmware: qcom,scm: document MSM8226 clocks soc: qcom: ramp_controller: Make things static soc: qcom: rmphpd: add power domains for sa8775p dt-bindings: power: qcom,rpmpd: document sa8775p PM: AVS: qcom-cpr: Fix an error handling path in cpr_probe() soc: qcom: dcc: rewrite description of dcc sysfs files ... Link: https://lore.kernel.org/r/20230126163008.3676950-1-andersson@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/ABI/testing/debugfs-driver-dcc127
-rw-r--r--Documentation/devicetree/bindings/firmware/qcom,scm.yaml64
-rw-r--r--Documentation/devicetree/bindings/mfd/qcom-rpm.txt283
-rw-r--r--Documentation/devicetree/bindings/power/qcom,rpmpd.yaml2
-rw-r--r--Documentation/devicetree/bindings/reserved-memory/qcom,rmtfs-mem.yaml6
-rw-r--r--Documentation/devicetree/bindings/soc/qcom/qcom,apr-services.yaml5
-rw-r--r--Documentation/devicetree/bindings/soc/qcom/qcom,dcc.yaml44
-rw-r--r--Documentation/devicetree/bindings/soc/qcom/qcom,msm8976-ramp-controller.yaml36
-rw-r--r--Documentation/devicetree/bindings/soc/qcom/qcom,rpm.yaml101
-rw-r--r--Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml1
10 files changed, 373 insertions, 296 deletions
diff --git a/Documentation/ABI/testing/debugfs-driver-dcc b/Documentation/ABI/testing/debugfs-driver-dcc
new file mode 100644
index 000000000000..27ed5919d21b
--- /dev/null
+++ b/Documentation/ABI/testing/debugfs-driver-dcc
@@ -0,0 +1,127 @@
+What: /sys/kernel/debug/dcc/.../ready
+Date: December 2022
+Contact: Souradeep Chowdhury <quic_schowdhu@quicinc.com>
+Description:
+ This file is used to check the status of the dcc
+ hardware if it's ready to receive user configurations.
+ A 'Y' here indicates dcc is ready.
+
+What: /sys/kernel/debug/dcc/.../trigger
+Date: December 2022
+Contact: Souradeep Chowdhury <quic_schowdhu@quicinc.com>
+Description:
+ This is the debugfs interface for manual software
+ triggers. The trigger can be invoked by writing '1'
+ to the file.
+
+What: /sys/kernel/debug/dcc/.../config_reset
+Date: December 2022
+Contact: Souradeep Chowdhury <quic_schowdhu@quicinc.com>
+Description:
+ This file is used to reset the configuration of
+ a dcc driver to the default configuration. When '1'
+ is written to the file, all the previous addresses
+ stored in the driver gets removed and users need to
+ reconfigure addresses again.
+
+What: /sys/kernel/debug/dcc/.../[list-number]/config
+Date: December 2022
+Contact: Souradeep Chowdhury <quic_schowdhu@quicinc.com>
+Description:
+ This stores the addresses of the registers which
+ can be read in case of a hardware crash or manual
+ software triggers. The input addresses type
+ can be one of following dcc instructions: read,
+ write, read-write, and loop type. The lists need to
+ be configured sequentially and not in a overlapping
+ manner; e.g. users can jump to list x only after
+ list y is configured and enabled. The input format for
+ each type is as follows:
+
+ i) Read instruction
+
+ ::
+
+ echo R <addr> <n> <bus> >/sys/kernel/debug/dcc/../[list-number]/config
+
+ where:
+
+ <addr>
+ The address to be read.
+
+ <n>
+ The addresses word count, starting from address <1>.
+ Each word is 32 bits (4 bytes). If omitted, defaulted
+ to 1.
+
+ <bus type>
+ The bus type, which can be either 'apb' or 'ahb'.
+ The default is 'ahb' if leaved out.
+
+ ii) Write instruction
+
+ ::
+
+ echo W <addr> <n> <bus type> > /sys/kernel/debug/dcc/../[list-number]/config
+
+ where:
+
+ <addr>
+ The address to be written.
+
+ <n>
+ The value to be written at <addr>.
+
+ <bus type>
+ The bus type, which can be either 'apb' or 'ahb'.
+
+ iii) Read-write instruction
+
+ ::
+
+ echo RW <addr> <n> <mask> > /sys/kernel/debug/dcc/../[list-number]/config
+
+ where:
+
+ <addr>
+ The address to be read and written.
+
+ <n>
+ The value to be written at <addr>.
+
+ <mask>
+ The value mask.
+
+ iv) Loop instruction
+
+ ::
+
+ echo L <loop count> <address count> <address>... > /sys/kernel/debug/dcc/../[list-number]/config
+
+ where:
+
+ <loop count>
+ Number of iterations
+
+ <address count>
+ total number of addresses to be written
+
+ <address>
+ Space-separated list of addresses.
+
+What: /sys/kernel/debug/dcc/.../[list-number]/enable
+Date: December 2022
+Contact: Souradeep Chowdhury <quic_schowdhu@quicinc.com>
+Description:
+ This debugfs interface is used for enabling the
+ the dcc hardware. A file named "enable" is in the
+ directory list number where users can enable/disable
+ the specific list by writing boolean (1 or 0) to the
+ file.
+
+ On enabling the dcc, all the addresses specified
+ by the user for the corresponding list is written
+ into dcc sram which is read by the dcc hardware
+ on manual or crash induced triggers. Lists must
+ be configured and enabled sequentially, e.g. list
+ 2 can only be enabled when list 1 have so.
diff --git a/Documentation/devicetree/bindings/firmware/qcom,scm.yaml b/Documentation/devicetree/bindings/firmware/qcom,scm.yaml
index 25688571ee7c..4193492ba73e 100644
--- a/Documentation/devicetree/bindings/firmware/qcom,scm.yaml
+++ b/Documentation/devicetree/bindings/firmware/qcom,scm.yaml
@@ -38,6 +38,7 @@ properties:
- qcom,scm-msm8994
- qcom,scm-msm8996
- qcom,scm-msm8998
+ - qcom,scm-qdu1000
- qcom,scm-sc7180
- qcom,scm-sc7280
- qcom,scm-sc8280xp
@@ -73,6 +74,12 @@ properties:
'#reset-cells':
const: 1
+ interrupts:
+ description:
+ The wait-queue interrupt that firmware raises as part of handshake
+ protocol to handle sleeping SCM calls.
+ maxItems: 1
+
qcom,dload-mode:
$ref: /schemas/types.yaml#/definitions/phandle-array
items:
@@ -82,6 +89,32 @@ properties:
description: TCSR hardware block
allOf:
+ # Clocks
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,scm-apq8064
+ - qcom,scm-apq8084
+ - qcom,scm-mdm9607
+ - qcom,scm-msm8226
+ - qcom,scm-msm8660
+ - qcom,scm-msm8916
+ - qcom,scm-msm8953
+ - qcom,scm-msm8960
+ - qcom,scm-msm8974
+ - qcom,scm-msm8976
+ - qcom,scm-sm6375
+ then:
+ required:
+ - clocks
+ - clock-names
+ else:
+ properties:
+ clock-names: false
+ clocks: false
+
- if:
properties:
compatible:
@@ -100,10 +133,6 @@ allOf:
clocks:
maxItems: 1
- required:
- - clocks
- - clock-names
-
- if:
properties:
compatible:
@@ -111,6 +140,7 @@ allOf:
enum:
- qcom,scm-apq8084
- qcom,scm-mdm9607
+ - qcom,scm-msm8226
- qcom,scm-msm8916
- qcom,scm-msm8953
- qcom,scm-msm8974
@@ -127,9 +157,29 @@ allOf:
minItems: 3
maxItems: 3
- required:
- - clocks
- - clock-names
+ # Interconnects
+ - if:
+ not:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,scm-sm8450
+ then:
+ properties:
+ interconnects: false
+
+ # Interrupts
+ - if:
+ not:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,scm-sm8450
+ then:
+ properties:
+ interrupts: false
required:
- compatible
diff --git a/Documentation/devicetree/bindings/mfd/qcom-rpm.txt b/Documentation/devicetree/bindings/mfd/qcom-rpm.txt
deleted file mode 100644
index b823b8625243..000000000000
--- a/Documentation/devicetree/bindings/mfd/qcom-rpm.txt
+++ /dev/null
@@ -1,283 +0,0 @@
-Qualcomm Resource Power Manager (RPM)
-
-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.
-
-- compatible:
- Usage: required
- Value type: <string>
- Definition: must be one of:
- "qcom,rpm-apq8064"
- "qcom,rpm-msm8660"
- "qcom,rpm-msm8960"
- "qcom,rpm-ipq8064"
- "qcom,rpm-mdm9615"
-
-- reg:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: base address and size of the RPM's message ram
-
-- interrupts:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: three entries specifying the RPM's:
- 1. acknowledgement interrupt
- 2. error interrupt
- 3. wakeup interrupt
-
-- interrupt-names:
- Usage: required
- Value type: <string-array>
- Definition: must be the three strings "ack", "err" and "wakeup", in order
-
-- qcom,ipc:
- Usage: required
- Value type: <prop-encoded-array>
-
- Definition: three entries specifying the outgoing ipc bit used for
- signaling the RPM:
- - phandle to a syscon node representing the apcs registers
- - u32 representing offset to the register within the syscon
- - u32 representing the ipc bit within the register
-
-
-= SUBNODES
-
-The RPM exposes resources to its subnodes. The below bindings specify the set
-of valid subnodes that can operate on these resources.
-
-== Regulators
-
-Regulator nodes are identified by their compatible:
-
-- compatible:
- Usage: required
- Value type: <string>
- Definition: must be one of:
- "qcom,rpm-pm8058-regulators"
- "qcom,rpm-pm8901-regulators"
- "qcom,rpm-pm8921-regulators"
- "qcom,rpm-pm8018-regulators"
- "qcom,rpm-smb208-regulators"
-
-- vdd_l0_l1_lvs-supply:
-- vdd_l2_l11_l12-supply:
-- vdd_l3_l4_l5-supply:
-- vdd_l6_l7-supply:
-- vdd_l8-supply:
-- vdd_l9-supply:
-- vdd_l10-supply:
-- vdd_l13_l16-supply:
-- vdd_l14_l15-supply:
-- vdd_l17_l18-supply:
-- vdd_l19_l20-supply:
-- vdd_l21-supply:
-- vdd_l22-supply:
-- vdd_l23_l24_l25-supply:
-- vdd_ncp-supply:
-- vdd_s0-supply:
-- vdd_s1-supply:
-- vdd_s2-supply:
-- vdd_s3-supply:
-- vdd_s4-supply:
- Usage: optional (pm8058 only)
- Value type: <phandle>
- Definition: reference to regulator supplying the input pin, as
- described in the data sheet
-
-- lvs0_in-supply:
-- lvs1_in-supply:
-- lvs2_in-supply:
-- lvs3_in-supply:
-- mvs_in-supply:
-- vdd_l0-supply:
-- vdd_l1-supply:
-- vdd_l2-supply:
-- vdd_l3-supply:
-- vdd_l4-supply:
-- vdd_l5-supply:
-- vdd_l6-supply:
-- vdd_s0-supply:
-- vdd_s1-supply:
-- vdd_s2-supply:
-- vdd_s3-supply:
-- vdd_s4-supply:
- Usage: optional (pm8901 only)
- Value type: <phandle>
- Definition: reference to regulator supplying the input pin, as
- described in the data sheet
-
-- vdd_l1_l2_l12_l18-supply:
-- vdd_l3_l15_l17-supply:
-- vdd_l4_l14-supply:
-- vdd_l5_l8_l16-supply:
-- vdd_l6_l7-supply:
-- vdd_l9_l11-supply:
-- vdd_l10_l22-supply:
-- vdd_l21_l23_l29-supply:
-- vdd_l24-supply:
-- vdd_l25-supply:
-- vdd_l26-supply:
-- vdd_l27-supply:
-- vdd_l28-supply:
-- vdd_ncp-supply:
-- vdd_s1-supply:
-- vdd_s2-supply:
-- vdd_s4-supply:
-- vdd_s5-supply:
-- vdd_s6-supply:
-- vdd_s7-supply:
-- vdd_s8-supply:
-- vin_5vs-supply:
-- vin_lvs1_3_6-supply:
-- vin_lvs2-supply:
-- vin_lvs4_5_7-supply:
- Usage: optional (pm8921 only)
- Value type: <phandle>
- Definition: reference to regulator supplying the input pin, as
- described in the data sheet
-
-- vin_lvs1-supply:
-- vdd_l7-supply:
-- vdd_l8-supply:
-- vdd_l9_l10_l11_l12-supply:
- Usage: optional (pm8018 only)
- Value type: <phandle>
- Definition: reference to regulator supplying the input pin, as
- described in the data sheet
-
-The regulator node houses sub-nodes for each regulator within the device. Each
-sub-node is identified using the node's name, with valid values listed for each
-of the pmics below.
-
-pm8058:
- l0, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, l12, l13, l14, l15,
- l16, l17, l18, l19, l20, l21, l22, l23, l24, l25, s0, s1, s2, s3, s4,
- lvs0, lvs1, ncp
-
-pm8901:
- l0, l1, l2, l3, l4, l5, l6, s0, s1, s2, s3, s4, lvs0, lvs1, lvs2, lvs3,
- mvs
-
-pm8921:
- s1, s2, s3, s4, s7, s8, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11,
- l12, l14, l15, l16, l17, l18, l21, l22, l23, l24, l25, l26, l27, l28,
- l29, lvs1, lvs2, lvs3, lvs4, lvs5, lvs6, lvs7, usb-switch, hdmi-switch,
- ncp
-
-pm8018:
- s1, s2, s3, s4, s5, , l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11,
- l12, l14, lvs1
-
-smb208:
- s1a, s1b, s2a, s2b
-
-The content of each sub-node is defined by the standard binding for regulators -
-see regulator.txt - with additional custom properties described below:
-
-=== Switch-mode Power Supply regulator custom properties
-
-- bias-pull-down:
- Usage: optional
- Value type: <empty>
- Definition: enable pull down of the regulator when inactive
-
-- qcom,switch-mode-frequency:
- Usage: required
- Value type: <u32>
- Definition: Frequency (Hz) of the switch-mode power supply;
- must be one of:
- 19200000, 9600000, 6400000, 4800000, 3840000, 3200000,
- 2740000, 2400000, 2130000, 1920000, 1750000, 1600000,
- 1480000, 1370000, 1280000, 1200000
-
-- qcom,force-mode:
- Usage: optional (default if no other qcom,force-mode is specified)
- Value type: <u32>
- Definition: indicates that the regulator should be forced to a
- particular mode, valid values are:
- QCOM_RPM_FORCE_MODE_NONE - do not force any mode
- QCOM_RPM_FORCE_MODE_LPM - force into low power mode
- QCOM_RPM_FORCE_MODE_HPM - force into high power mode
- QCOM_RPM_FORCE_MODE_AUTO - allow regulator to automatically
- select its own mode based on
- realtime current draw, only for:
- pm8921 smps and ftsmps
-
-- qcom,power-mode-hysteretic:
- Usage: optional
- Value type: <empty>
- Definition: select that the power supply should operate in hysteretic
- mode, instead of the default pwm mode
-
-=== Low-dropout regulator custom properties
-
-- bias-pull-down:
- Usage: optional
- Value type: <empty>
- Definition: enable pull down of the regulator when inactive
-
-- qcom,force-mode:
- Usage: optional
- Value type: <u32>
- Definition: indicates that the regulator should not be forced to any
- particular mode, valid values are:
- QCOM_RPM_FORCE_MODE_NONE - do not force any mode
- QCOM_RPM_FORCE_MODE_LPM - force into low power mode
- QCOM_RPM_FORCE_MODE_HPM - force into high power mode
- QCOM_RPM_FORCE_MODE_BYPASS - set regulator to use bypass
- mode, i.e. to act as a switch
- and not regulate, only for:
- pm8921 pldo, nldo and nldo1200
-
-=== Negative Charge Pump custom properties
-
-- qcom,switch-mode-frequency:
- Usage: required
- Value type: <u32>
- Definition: Frequency (Hz) of the switch mode power supply;
- must be one of:
- 19200000, 9600000, 6400000, 4800000, 3840000, 3200000,
- 2740000, 2400000, 2130000, 1920000, 1750000, 1600000,
- 1480000, 1370000, 1280000, 1200000
-
-= EXAMPLE
-
- #include <dt-bindings/mfd/qcom-rpm.h>
-
- rpm@108000 {
- compatible = "qcom,rpm-msm8960";
- reg = <0x108000 0x1000>;
- qcom,ipc = <&apcs 0x8 2>;
-
- interrupts = <0 19 0>, <0 21 0>, <0 22 0>;
- interrupt-names = "ack", "err", "wakeup";
-
- regulators {
- compatible = "qcom,rpm-pm8921-regulators";
- vdd_l1_l2_l12_l18-supply = <&pm8921_s4>;
-
- s1 {
- regulator-min-microvolt = <1225000>;
- regulator-max-microvolt = <1225000>;
-
- bias-pull-down;
-
- qcom,switch-mode-frequency = <3200000>;
- };
-
- pm8921_s4: s4 {
- regulator-min-microvolt = <1800000>;
- regulator-max-microvolt = <1800000>;
-
- qcom,switch-mode-frequency = <1600000>;
- bias-pull-down;
-
- qcom,force-mode = <QCOM_RPM_FORCE_MODE_AUTO>;
- };
- };
- };
-
diff --git a/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml b/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml
index 633d49884019..afad3135ed67 100644
--- a/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml
+++ b/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml
@@ -30,6 +30,7 @@ properties:
- qcom,qcs404-rpmpd
- qcom,qdu1000-rpmhpd
- qcom,sa8540p-rpmhpd
+ - qcom,sa8775p-rpmhpd
- qcom,sdm660-rpmpd
- qcom,sc7180-rpmhpd
- qcom,sc7280-rpmhpd
@@ -39,7 +40,6 @@ properties:
- qcom,sdm845-rpmhpd
- qcom,sdx55-rpmhpd
- qcom,sdx65-rpmhpd
- - qcom,sm4250-rpmpd
- qcom,sm6115-rpmpd
- qcom,sm6125-rpmpd
- qcom,sm6350-rpmhpd
diff --git a/Documentation/devicetree/bindings/reserved-memory/qcom,rmtfs-mem.yaml b/Documentation/devicetree/bindings/reserved-memory/qcom,rmtfs-mem.yaml
index 2998f1c8f0db..08eb10c25821 100644
--- a/Documentation/devicetree/bindings/reserved-memory/qcom,rmtfs-mem.yaml
+++ b/Documentation/devicetree/bindings/reserved-memory/qcom,rmtfs-mem.yaml
@@ -27,9 +27,11 @@ properties:
identifier of the client to use this region for buffers
qcom,vmid:
- $ref: /schemas/types.yaml#/definitions/uint32
+ $ref: /schemas/types.yaml#/definitions/uint32-array
description: >
- vmid of the remote processor, to set up memory protection
+ Array of vmids of the remote processors, to set up memory protection
+ minItems: 1
+ maxItems: 2
required:
- qcom,client-id
diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,apr-services.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,apr-services.yaml
index 290555426c39..bdf482db32aa 100644
--- a/Documentation/devicetree/bindings/soc/qcom/qcom,apr-services.yaml
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,apr-services.yaml
@@ -39,8 +39,8 @@ properties:
qcom,protection-domain:
$ref: /schemas/types.yaml#/definitions/string-array
description: |
- Protection domain service name and path for APR service
- possible values are::
+ Protection domain service name and path for APR service (if supported).
+ Possible values are::
"avs/audio", "msm/adsp/audio_pd".
"kernel/elf_loader", "msm/modem/wlan_pd".
"tms/servreg", "msm/adsp/audio_pd".
@@ -49,6 +49,5 @@ properties:
required:
- reg
- - qcom,protection-domain
additionalProperties: true
diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,dcc.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,dcc.yaml
new file mode 100644
index 000000000000..ce7e20dd22c9
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,dcc.yaml
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/qcom/qcom,dcc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Data Capture and Compare
+
+maintainers:
+ - Souradeep Chowdhury <quic_schowdhu@quicinc.com>
+
+description: |
+ DCC (Data Capture and Compare) is a DMA engine which is used to save
+ configuration data or system memory contents during catastrophic failure
+ or SW trigger. DCC is used to capture and store data for debugging purpose
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - qcom,sm8150-dcc
+ - qcom,sc7280-dcc
+ - qcom,sc7180-dcc
+ - qcom,sdm845-dcc
+ - const: qcom,dcc
+
+ reg:
+ items:
+ - description: DCC base
+ - description: DCC RAM base
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ dma@10a2000{
+ compatible = "qcom,sm8150-dcc", "qcom,dcc";
+ reg = <0x010a2000 0x1000>,
+ <0x010ad000 0x2000>;
+ };
diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,msm8976-ramp-controller.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,msm8976-ramp-controller.yaml
new file mode 100644
index 000000000000..aae9cf7b8caf
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,msm8976-ramp-controller.yaml
@@ -0,0 +1,36 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/qcom/qcom,msm8976-ramp-controller.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Ramp Controller
+
+maintainers:
+ - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
+
+description:
+ The Ramp Controller is used to program the sequence ID for pulse
+ swallowing, enable sequences and link Sequence IDs (SIDs) for the
+ CPU cores on some Qualcomm SoCs.
+
+properties:
+ compatible:
+ enum:
+ - qcom,msm8976-ramp-controller
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ cpu-power-controller@b014000 {
+ compatible = "qcom,msm8976-ramp-controller";
+ reg = <0x0b014000 0x68>;
+ };
diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,rpm.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,rpm.yaml
new file mode 100644
index 000000000000..b00be9e01206
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,rpm.yaml
@@ -0,0 +1,101 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/qcom/qcom,rpm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Resource Power Manager (RPM)
+
+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.
+
+maintainers:
+ - Bjorn Andersson <andersson@kernel.org>
+
+properties:
+ compatible:
+ enum:
+ - qcom,rpm-apq8064
+ - qcom,rpm-msm8660
+ - qcom,rpm-msm8960
+ - qcom,rpm-ipq8064
+ - qcom,rpm-mdm9615
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 3
+
+ interrupt-names:
+ items:
+ - const: ack
+ - const: err
+ - const: wakeup
+
+ qcom,ipc:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ items:
+ - items:
+ - description: phandle to a syscon node representing the APCS registers
+ - description: u32 representing offset to the register within the syscon
+ - description: u32 representing the ipc bit within the register
+ description:
+ Three entries specifying the outgoing ipc bit used for signaling the RPM.
+
+patternProperties:
+ "^regulators(-[01])?$":
+ type: object
+ $ref: /schemas/regulator/qcom,rpm-regulator.yaml#
+ unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-names
+ - qcom,ipc
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/mfd/qcom-rpm.h>
+
+ rpm@108000 {
+ compatible = "qcom,rpm-msm8960";
+ reg = <0x108000 0x1000>;
+ qcom,ipc = <&apcs 0x8 2>;
+
+ interrupts = <GIC_SPI 19 IRQ_TYPE_NONE>, <GIC_SPI 21 IRQ_TYPE_NONE>, <GIC_SPI 22 IRQ_TYPE_NONE>;
+ interrupt-names = "ack", "err", "wakeup";
+
+ regulators {
+ compatible = "qcom,rpm-pm8921-regulators";
+ vdd_l1_l2_l12_l18-supply = <&pm8921_s4>;
+
+ s1 {
+ regulator-min-microvolt = <1225000>;
+ regulator-max-microvolt = <1225000>;
+
+ bias-pull-down;
+
+ qcom,switch-mode-frequency = <3200000>;
+ };
+
+ pm8921_s4: s4 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+
+ qcom,switch-mode-frequency = <1600000>;
+ bias-pull-down;
+
+ qcom,force-mode = <QCOM_RPM_FORCE_MODE_AUTO>;
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml
index 11c0f4dd797c..16fd67c0bd1f 100644
--- a/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml
@@ -80,6 +80,7 @@ if:
enum:
- qcom,rpm-apq8084
- qcom,rpm-msm8916
+ - qcom,rpm-msm8936
- qcom,rpm-msm8974
- qcom,rpm-msm8976
- qcom,rpm-msm8953