Hi Sibi, On Wed, May 11, 2022 at 01:49:22PM +0530, Sibi Sankar wrote: > Add MSS PIL loading bindings for SC7280 SoCs. > > Signed-off-by: Sibi Sankar <quic_sibis@xxxxxxxxxxx> There is already a binding for 'qcom,sc7280-mss-pil' in Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt. Shouldn't the entries from that file be deleted? > > v3: > * Re-ordered clock list, fixed pdc_sync typo [Rob/Matthias] > > .../bindings/remoteproc/qcom,sc7280-mss-pil.yaml | 261 +++++++++++++++++++++ > 1 file changed, 261 insertions(+) > create mode 100644 Documentation/devicetree/bindings/remoteproc/qcom,sc7280-mss-pil.yaml > > diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sc7280-mss-pil.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,sc7280-mss-pil.yaml > new file mode 100644 > index 000000000000..2f95bfd7b3eb > --- /dev/null > +++ b/Documentation/devicetree/bindings/remoteproc/qcom,sc7280-mss-pil.yaml > @@ -0,0 +1,261 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/remoteproc/qcom,sc7280-mss-pil.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Qualcomm SC7280 MSS Peripheral Image Loader > + > +maintainers: > + - Sibi Sankar <quic_sibis@xxxxxxxxxxx> > + > +description: > + This document defines the binding for a component that loads and boots firmware > + on the Qualcomm Technology Inc. SC7280 Modem Hexagon Core. > + > +properties: > + compatible: > + enum: > + - qcom,sc7280-mss-pil > + > + reg: > + items: > + - description: MSS QDSP6 registers > + - description: RMB registers > + > + reg-names: > + items: > + - const: qdsp6 > + - const: rmb > + > + iommus: > + items: > + - description: MSA Stream 1 > + - description: MSA Stream 2 > + > + interconnects: > + items: > + - description: Path leading to system memory > + > + interrupts: > + items: > + - description: Watchdog interrupt > + - description: Fatal interrupt > + - description: Ready interrupt > + - description: Handover interrupt > + - description: Stop acknowledge interrupt > + - description: Shutdown acknowledge interrupt > + > + interrupt-names: > + items: > + - const: wdog > + - const: fatal > + - const: ready > + - const: handover > + - const: stop-ack > + - const: shutdown-ack The existing binding (qcom,q6v5.txt) also has: - interrupts-extended: Usage: required Value type: <prop-encoded-array> Definition: reference to the interrupts that match interrupt-names That's covered implicitly by 'interrupts' I suppose? > + > + clocks: > + items: > + - description: GCC MSS IFACE clock > + - description: GCC MSS OFFLINE clock > + - description: GCC MSS SNOC_AXI clock > + - description: RPMH PKA clock > + - description: RPMH XO clock > + > + clock-names: > + items: > + - const: iface > + - const: offline > + - const: snoc_axi > + - const: pka > + - const: xo > + > + power-domains: > + items: > + - description: CX power domain > + - description: MSS power domain > + > + power-domain-names: > + items: > + - const: cx > + - const: mss > + > + resets: > + items: > + - description: AOSS restart > + - description: PDC reset > + > + reset-names: > + items: > + - const: mss_restart > + - const: pdc_reset > + > + memory-region: > + $ref: /schemas/types.yaml#/definitions/phandle-array > + description: Phandle reference to the reserved-memory for the MBA region followed > + by the modem region. > + > + firmware-name: > + $ref: /schemas/types.yaml#/definitions/string > + description: > + The name of the firmware which should be loaded for this remote > + processor. > + > + qcom,halt-regs: > + $ref: /schemas/types.yaml#/definitions/phandle-array > + description: > + Phandle reference to a syscon representing TCSR followed by the > + four offsets within syscon for q6, modem, nc and vq6 halt registers. > + > + qcom,ext-regs: > + $ref: /schemas/types.yaml#/definitions/phandle-array > + description: > + Two phandle references to syscons representing TCSR_REG and TCSR register > + space followed by the two offsets within the syscon to force_clk_en/rscc_disable > + and axim1_clk_off/crypto_clk_off registers respectively. > + > + qcom,qaccept-regs: > + $ref: /schemas/types.yaml#/definitions/phandle-array > + description: > + Phandle reference to a syscon representing TCSR followed by the > + three offsets within syscon for mdm, cx and axi qaccept registers. > + > + qcom,qmp: > + $ref: /schemas/types.yaml#/definitions/phandle > + description: Reference to the AOSS side-channel message RAM. > + > + qcom,smem-states: > + $ref: /schemas/types.yaml#/definitions/phandle-array > + description: States used by the AP to signal the Hexagon core > + items: > + - description: Stop the modem > + > + qcom,smem-state-names: > + $ref: /schemas/types.yaml#/definitions/string > + description: The names of the state bits used for SMP2P output > + const: stop > + > + glink-edge: > + type: object > + description: | > + Qualcomm G-Link subnode which represents communication edge, channels > + and devices related to the DSP. > + > + properties: > + interrupts: > + items: > + - description: IRQ from MSS to GLINK > + > + mboxes: > + items: > + - description: Mailbox for communication between APPS and MSS > + > + label: > + description: The names of the state bits used for SMP2P output > + items: > + - const: modem > + > + qcom,remote-pid: > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: ID of the shared memory used by GLINK for communication with MSS > + > + required: > + - interrupts > + - mboxes > + - label > + - qcom,remote-pid > + > + additionalProperties: false > + > +required: > + - compatible > + - reg > + - reg-names > + - iommus > + - interconnects > + - interrupts > + - interrupt-names > + - clocks > + - clock-names > + - power-domains > + - power-domain-names > + - resets > + - reset-names > + - qcom,halt-regs > + - qcom,ext-regs > + - qcom,qaccept-regs > + - memory-region > + - qcom,qmp 'qcom,qmp' is marked as 'optional' in qcom,q6v5.txt