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Date: Mon, 9 May 2022 13:23:17 +0530
From: Sibi Sankar <quic_sibis@...cinc.com>
To: <bjorn.andersson@...aro.org>, <robh+dt@...nel.org>
CC: <ohad@...ery.com>, <agross@...nel.org>,
<mathieu.poirier@...aro.org>, <linux-arm-msm@...r.kernel.org>,
<linux-remoteproc@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <evgreen@...omium.org>,
<dianders@...omium.org>, <swboyd@...omium.org>, <mka@...omium.org>,
<krzysztof.kozlowski@...onical.com>,
Sibi Sankar <quic_sibis@...cinc.com>
Subject: [PATCH v2 1/2] dt-bindings: remoteproc: qcom: Add SC7280 MSS bindings
Add MSS PIL loading bindings for SC7280 SoCs.
Signed-off-by: Sibi Sankar <quic_sibis@...cinc.com>
---
.../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..7e7dee6208b2
--- /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@...cinc.com>
+
+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
+
+ clocks:
+ items:
+ - description: GCC MSS IFACE clock
+ - description: GCC MSS SNOC_AXI clock
+ - description: GCC MSS OFFLINE clock
+ - description: RPMH PKA clock
+ - description: RPMH XO clock
+
+ clock-names:
+ items:
+ - const: iface
+ - const: snoc_axi
+ - const: offline
+ - 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 SYNC
+
+ reset-names:
+ items:
+ - const: mss_restart
+ - const: pdc_sync
+
+ 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,smem-states
+ - qcom,smem-state-names
+ - glink-edge
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,gcc-sc7280.h>
+ #include <dt-bindings/clock/qcom,rpmh.h>
+ #include <dt-bindings/interconnect/qcom,sc7280.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/mailbox/qcom-ipcc.h>
+ #include <dt-bindings/power/qcom-rpmpd.h>
+ #include <dt-bindings/reset/qcom,sdm845-aoss.h>
+ #include <dt-bindings/reset/qcom,sdm845-pdc.h>
+
+ remoteproc_mpss: remoteproc@...0000 {
+ compatible = "qcom,sc7280-mss-pil";
+ reg = <0x04080000 0x10000>, <0x04180000 0x48>;
+ reg-names = "qdsp6", "rmb";
+
+ iommus = <&apps_smmu 0x124 0x0>, <&apps_smmu 0x488 0x7>;
+
+ interconnects = <&mc_virt MASTER_LLCC 0 &mc_virt SLAVE_EBI1 0>;
+
+ interrupts-extended = <&intc GIC_SPI 264 IRQ_TYPE_EDGE_RISING>,
+ <&modem_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
+ <&modem_smp2p_in 1 IRQ_TYPE_EDGE_RISING>,
+ <&modem_smp2p_in 2 IRQ_TYPE_EDGE_RISING>,
+ <&modem_smp2p_in 3 IRQ_TYPE_EDGE_RISING>,
+ <&modem_smp2p_in 7 IRQ_TYPE_EDGE_RISING>;
+
+ interrupt-names = "wdog", "fatal", "ready", "handover",
+ "stop-ack", "shutdown-ack";
+
+ clocks = <&gcc GCC_MSS_CFG_AHB_CLK>,
+ <&gcc GCC_MSS_OFFLINE_AXI_CLK>,
+ <&gcc GCC_MSS_SNOC_AXI_CLK>,
+ <&rpmhcc RPMH_PKA_CLK>,
+ <&rpmhcc RPMH_CXO_CLK>;
+ clock-names = "iface", "offline", "snoc_axi", "pka", "xo";
+
+ power-domains = <&rpmhpd SC7280_CX>,
+ <&rpmhpd SC7280_MSS>;
+ power-domain-names = "cx", "mss";
+
+ memory-region = <&mba_mem>, <&mpss_mem>;
+
+ qcom,qmp = <&aoss_qmp>;
+
+ qcom,smem-states = <&modem_smp2p_out 0>;
+ qcom,smem-state-names = "stop";
+
+ resets = <&aoss_reset AOSS_CC_MSS_RESTART>,
+ <&pdc_reset PDC_MODEM_SYNC_RESET>;
+ reset-names = "mss_restart", "pdc_reset";
+
+ qcom,halt-regs = <&tcsr_mutex 0x23000 0x25000 0x28000 0x33000>;
+ qcom,ext-regs = <&tcsr 0x10000 0x10004 &tcsr_mutex 0x26004 0x26008>;
+ qcom,qaccept-regs = <&tcsr_mutex 0x23030 0x23040 0x23020>;
+
+ glink-edge {
+ interrupts-extended = <&ipcc IPCC_CLIENT_MPSS
+ IPCC_MPROC_SIGNAL_GLINK_QMP
+ IRQ_TYPE_EDGE_RISING>;
+ mboxes = <&ipcc IPCC_CLIENT_MPSS
+ IPCC_MPROC_SIGNAL_GLINK_QMP>;
+ label = "modem";
+ qcom,remote-pid = <1>;
+ };
+ };
--
2.7.4
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