Merge tag 'rproc-v5.3' of git://github.com/andersson/remoteproc

Pull remoteproc updates from Bjorn Andersson:
 "This adds support for the STM32 remoteproc, additional i.MX platforms
  with Cortex M4 remoteprocs and Qualcomm's QCS404 Compute DSP.

  Also initial support for vendor specific resource table entries and
  support for unprocessed Qualcomm firmware files"

* tag 'rproc-v5.3' of git://github.com/andersson/remoteproc:
  remoteproc: stm32: fix building without ARM SMCC
  remoteproc: qcom: q6v5-mss: Fix build error without QCOM_MDT_LOADER
  remoteproc: copy parent dma_pfn_offset for vdev
  remoteproc: qcom: q6v5-mss: Support loading non-split images
  soc: qcom: mdt_loader: Support loading non-split images
  remoteproc: stm32: add an ST stm32_rproc driver
  dt-bindings: remoteproc: add bindings for stm32 remote processor driver
  dt-bindings: stm32: add bindings for ML-AHB interconnect
  remoteproc: Use struct_size() helper
  remoteproc: add vendor resources handling
  remoteproc: imx: Fix typo in "failed"
  remoteproc: imx: Broaden the Kconfig selection logic
  remoteproc,rpmsg: add missing MAINTAINERS file entries
  remoteproc: qcom: qdsp6-adsp: Add support for QCS404 CDSP
  dt-bindings: remoteproc: Rename and amend Hexagon v56 binding

3 files changed, 125 insertions, 10 deletions

diff --git a/Documentation/devicetree/bindings/arm/stm32/mlahb.txt b/Documentation/devicetree/bindings/arm/stm32/mlahb.txt
new file mode 100644
index 000000000000..25307aa1eb9b
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/stm32/mlahb.txt
@@ -0,0 +1,37 @@
+ML-AHB interconnect bindings
+
+These bindings describe the STM32 SoCs ML-AHB interconnect bus which connects
+a Cortex-M subsystem with dedicated memories.
+The MCU SRAM and RETRAM memory parts can be accessed through different addresses
+(see "RAM aliases" in [1]) using different buses (see [2]) : balancing the
+Cortex-M firmware accesses among those ports allows to tune the system
+performance.
+
+[1]: https://www.st.com/resource/en/reference_manual/dm00327659.pdf
+[2]: https://wiki.st.com/stm32mpu/wiki/STM32MP15_RAM_mapping
+
+Required properties:
+- compatible: should be "simple-bus"
+- dma-ranges: describes memory addresses translation between the local CPU and
+	   the remote Cortex-M processor. Each memory region, is declared with
+	   3 parameters:
+		 - param 1: device base address (Cortex-M processor address)
+		 - param 2: physical base address (local CPU address)
+		 - param 3: size of the memory region.
+
+The Cortex-M remote processor accessed via the mlahb interconnect is described
+by a child node.
+
+Example:
+mlahb {
+	compatible = "simple-bus";
+	#address-cells = <1>;
+	#size-cells = <1>;
+	dma-ranges = <0x00000000 0x38000000 0x10000>,
+		     <0x10000000 0x10000000 0x60000>,
+		     <0x30000000 0x30000000 0x60000>;
+
+	m4_rproc: m4@10000000 {
+		...
+	};
+};
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,adsp-pil.txt b/Documentation/devicetree/bindings/remoteproc/qcom,hexagon-v56.txt
index 66af2c30944f..1337a3d93d35 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,adsp-pil.txt
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,hexagon-v56.txt
@@ -1,12 +1,13 @@
-Qualcomm Technology Inc. ADSP Peripheral Image Loader
+Qualcomm Technology Inc. Hexagon v56 Peripheral Image Loader
 
 This document defines the binding for a component that loads and boots firmware
-on the Qualcomm Technology Inc. ADSP Hexagon core.
+on the Qualcomm Technology Inc. Hexagon v56 core.
 
 - compatible:
 	Usage: required
 	Value type: <string>
 	Definition: must be one of:
+		    "qcom,qcs404-cdsp-pil",
 		    "qcom,sdm845-adsp-pil"
 
 - reg:
@@ -28,10 +29,11 @@ on the Qualcomm Technology Inc. ADSP Hexagon core.
 - clocks:
 	Usage: required
 	Value type: <prop-encoded-array>
-	Definition:  List of 8 phandle and clock specifier pairs for the adsp.
+	Definition:  List of phandles and clock specifier pairs for the Hexagon,
+		     per clock-names below.
 
 - clock-names:
-	Usage: required
+	Usage: required for SDM845 ADSP
 	Value type: <stringlist>
 	Definition: List of clock input name strings sorted in the same
 		    order as the clocks property. Definition must have
@@ -39,6 +41,14 @@ on the Qualcomm Technology Inc. ADSP Hexagon core.
 		    "lpass_ahbm_aon_cbcr", "qdsp6ss_xo", "qdsp6ss_sleep"
 		    and "qdsp6ss_core".
 
+- clock-names:
+	Usage: required for QCS404 CDSP
+	Value type: <stringlist>
+	Definition: List of clock input name strings sorted in the same
+		    order as the clocks property. Definition must have
+		    "xo", "sway", "tbu", "bimc", "ahb_aon", "q6ss_slave",
+		    "q6ss_master", "q6_axim".
+
 - power-domains:
 	Usage: required
 	Value type: <phandle>
@@ -47,28 +57,33 @@ on the Qualcomm Technology Inc. ADSP Hexagon core.
 - resets:
 	Usage: required
 	Value type: <phandle>
-	Definition: reference to the list of 2 reset-controller for the adsp.
+	Definition: reference to the list of resets for the Hexagon.
 
 - reset-names:
-        Usage: required
+        Usage: required for SDM845 ADSP
         Value type: <stringlist>
         Definition: must be "pdc_sync" and "cc_lpass"
 
+- reset-names:
+        Usage: required for QCS404 CDSP
+        Value type: <stringlist>
+        Definition: must be "restart"
+
 - qcom,halt-regs:
 	Usage: required
 	Value type: <prop-encoded-array>
 	Definition: a phandle reference to a syscon representing TCSR followed
-			by the offset within syscon for lpass halt register.
+		    by the offset within syscon for Hexagon halt register.
 
 - memory-region:
 	Usage: required
 	Value type: <phandle>
-	Definition: reference to the reserved-memory for the ADSP
+	Definition: reference to the reserved-memory for the firmware
 
 - qcom,smem-states:
 	Usage: required
 	Value type: <phandle>
-	Definition: reference to the smem state for requesting the ADSP to
+	Definition: reference to the smem state for requesting the Hexagon to
 		    shut down
 
 - qcom,smem-state-names:
@@ -79,7 +94,7 @@ on the Qualcomm Technology Inc. ADSP Hexagon core.
 
 = SUBNODES
 The adsp node may have an subnode named "glink-edge" that describes the
-communication edge, channels and devices related to the ADSP.
+communication edge, channels and devices related to the Hexagon.
 See ../soc/qcom/qcom,glink.txt for details on how to describe these.
 
 = EXAMPLE
diff --git a/Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt b/Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt
new file mode 100644
index 000000000000..5fa915a4b736
--- /dev/null
+++ b/Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt
@@ -0,0 +1,63 @@
+STMicroelectronics STM32 Remoteproc
+-----------------------------------
+This document defines the binding for the remoteproc component that loads and
+boots firmwares on the ST32MP family chipset.
+
+Required properties:
+- compatible:	Must be "st,stm32mp1-m4"
+- reg:		Address ranges of the RETRAM and MCU SRAM memories used by the
+		remote processor.
+- resets:	Reference to a reset controller asserting the remote processor.
+- st,syscfg-holdboot: Reference to the system configuration which holds the
+		remote processor reset hold boot
+	1st cell: phandle of syscon block
+	2nd cell: register offset containing the hold boot setting
+	3rd cell: register bitmask for the hold boot field
+- st,syscfg-tz: Reference to the system configuration which holds the RCC trust
+		zone mode
+	1st cell: phandle to syscon block
+	2nd cell: register offset containing the RCC trust zone mode setting
+	3rd cell: register bitmask for the RCC trust zone mode bit
+
+Optional properties:
+- interrupts:	Should contain the watchdog interrupt
+- mboxes:	This property is required only if the rpmsg/virtio functionality
+		is used. List of phandle and mailbox channel specifiers:
+		- a channel (a) used to communicate through virtqueues with the
+		  remote proc.
+		  Bi-directional channel:
+		      - from local to remote = send message
+		      - from remote to local = send message ack
+		- a channel (b) working the opposite direction of channel (a)
+		- a channel (c) used by the local proc to notify the remote proc
+		  that it is about to be shut down.
+		  Unidirectional channel:
+		      - from local to remote, where ACK from the remote means
+		        that it is ready for shutdown
+- mbox-names:	This property is required if the mboxes property is used.
+		- must be "vq0" for channel (a)
+		- must be "vq1" for channel (b)
+		- must be "shutdown" for channel (c)
+- memory-region: List of phandles to the reserved memory regions associated with
+		the remoteproc device. This is variable and describes the
+		memories shared with the remote processor (eg: remoteproc
+		firmware and carveouts, rpmsg vrings, ...).
+		(see ../reserved-memory/reserved-memory.txt)
+- st,syscfg-pdds: Reference to the system configuration which holds the remote
+		processor deep sleep setting
+	1st cell: phandle to syscon block
+	2nd cell: register offset containing the deep sleep setting
+	3rd cell: register bitmask for the deep sleep bit
+- st,auto-boot:	If defined, when remoteproc is probed, it loads the default
+		firmware and starts the remote processor.
+
+Example:
+	m4_rproc: m4@10000000 {
+		compatible = "st,stm32mp1-m4";
+		reg = <0x10000000 0x40000>,
+		      <0x30000000 0x40000>,
+		      <0x38000000 0x10000>;
+		resets = <&rcc MCU_R>;
+		st,syscfg-holdboot = <&rcc 0x10C 0x1>;
+		st,syscfg-tz = <&rcc 0x000 0x1>;
+	};