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Date: Tue, 27 Sep 2022 19:26:37 +0530
From: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
To: <linux-remoteproc@...r.kernel.org>, <agross@...nel.org>,
<andersson@...nel.org>, <lgirdwood@...il.com>,
<broonie@...nel.org>, <robh+dt@...nel.org>,
<quic_plai@...cinc.com>, <bgoswami@...cinc.com>, <perex@...ex.cz>,
<tiwai@...e.com>, <srinivas.kandagatla@...aro.org>,
<quic_rohkumar@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <swboyd@...omium.org>,
<judyhsiao@...omium.org>, <devicetree@...r.kernel.org>,
<krzysztof.kozlowski@...aro.org>
CC: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
Subject: [PATCH v9 1/7] dt-bindings: remoteproc: qcom: Add SC7280 ADSP support
Add ADSP PIL loading support for SC7280 SoCs.
Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
Reviewed-by: Rob Herring <robh@...nel.org>
Reviewed-by: Stephen Boyd <swboyd@...omium.org>
---
Changes since V8:
-- Add glink-edge reference.
-- Remove redundant glinke-edge properties.
-- Make all reg propertioes as mandatory.
-- Add iommus property.
Changes since V7:
-- Remove redundant clocks in dt bindings.
-- Fix dt compilation error in dt bindings.
Changes since V6:
-- Update glink-edge property.
-- Add qcom,qmp property.
Changes since V5:
-- Remove qcom,adsp-memory-regions property.
Changes since V4:
-- Update halt registers description in dt bindings.
.../bindings/remoteproc/qcom,sc7280-adsp-pil.yaml | 194 +++++++++++++++++++++
1 file changed, 194 insertions(+)
create mode 100644 Documentation/devicetree/bindings/remoteproc/qcom,sc7280-adsp-pil.yaml
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sc7280-adsp-pil.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,sc7280-adsp-pil.yaml
new file mode 100644
index 0000000..12d209a
--- /dev/null
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,sc7280-adsp-pil.yaml
@@ -0,0 +1,194 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/remoteproc/qcom,sc7280-adsp-pil.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm SC7280 ADSP Peripheral Image Loader
+
+maintainers:
+ - Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
+
+description:
+ This document describes the hardware for a component that loads and boots firmware
+ on the Qualcomm Technology Inc. ADSP.
+
+properties:
+ compatible:
+ enum:
+ - qcom,sc7280-adsp-pil
+
+ reg:
+ items:
+ - description: qdsp6ss register
+ - description: efuse q6ss register
+
+ iommus:
+ items:
+ - description: Phandle to apps_smmu node with sid mask
+
+ 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: XO clock
+ - description: GCC CFG NOC LPASS clock
+
+ clock-names:
+ items:
+ - const: xo
+ - const: gcc_cfg_noc_lpass
+
+ power-domains:
+ items:
+ - description: LCX power domain
+
+ resets:
+ items:
+ - description: PDC AUDIO SYNC RESET
+ - description: CC LPASS restart
+
+ reset-names:
+ items:
+ - const: pdc_sync
+ - const: cc_lpass
+
+ memory-region:
+ maxItems: 1
+ description: Reference to the reserved-memory for the Hexagon core
+
+ 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 qv6 halt registers.
+ items:
+ - items:
+ - description: phandle to TCSR_MUTEX registers
+ - description: offset to the Q6 halt register
+ - description: offset to the modem halt register
+ - description: offset to the nc halt register
+ - description: offset to the vq6 halt register
+
+ 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:
+ description: The names of the state bits used for SMP2P output
+ const: stop
+
+ qcom,qmp:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: Reference to the AOSS side-channel message RAM.
+
+ glink-edge:
+ $ref: qcom,glink-edge.yaml#
+ type: object
+ description: |
+ Qualcomm G-Link subnode which represents communication edge, channels
+ and devices related to the ADSP.
+
+ properties:
+ label:
+ const: lpass
+
+ gpr: true
+ apr: false
+ fastrpc: false
+
+ required:
+ - label
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-names
+ - clocks
+ - clock-names
+ - power-domains
+ - resets
+ - reset-names
+ - qcom,halt-regs
+ - memory-region
+ - qcom,smem-states
+ - qcom,smem-state-names
+ - qcom,qmp
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/qcom,rpmh.h>
+ #include <dt-bindings/clock/qcom,gcc-sc7280.h>
+ #include <dt-bindings/clock/qcom,lpass-sc7280.h>
+ #include <dt-bindings/reset/qcom,sdm845-aoss.h>
+ #include <dt-bindings/reset/qcom,sdm845-pdc.h>
+ #include <dt-bindings/power/qcom-rpmpd.h>
+ #include <dt-bindings/mailbox/qcom-ipcc.h>
+
+ remoteproc@...0000 {
+ compatible = "qcom,sc7280-adsp-pil";
+ reg = <0x03000000 0x5000>,
+ <0x0355b000 0x10>;
+
+ interrupts-extended = <&pdc 162 IRQ_TYPE_EDGE_RISING>,
+ <&adsp_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
+ <&adsp_smp2p_in 1 IRQ_TYPE_EDGE_RISING>,
+ <&adsp_smp2p_in 2 IRQ_TYPE_EDGE_RISING>,
+ <&adsp_smp2p_in 3 IRQ_TYPE_EDGE_RISING>,
+ <&adsp_smp2p_in 7 IRQ_TYPE_EDGE_RISING>;
+
+ interrupt-names = "wdog", "fatal", "ready",
+ "handover", "stop-ack", "shutdown-ack";
+
+ clocks = <&rpmhcc RPMH_CXO_CLK>,
+ <&gcc GCC_CFG_NOC_LPASS_CLK>;
+ clock-names = "xo", "gcc_cfg_noc_lpass";
+
+ power-domains = <&rpmhpd SC7280_LCX>;
+
+ resets = <&pdc_reset PDC_AUDIO_SYNC_RESET>,
+ <&aoss_reset AOSS_CC_LPASS_RESTART>;
+ reset-names = "pdc_sync", "cc_lpass";
+
+ qcom,halt-regs = <&tcsr_mutex 0x23000 0x25000 0x28000 0x33000>;
+
+ memory-region = <&adsp_mem>;
+
+ qcom,smem-states = <&adsp_smp2p_out 0>;
+ qcom,smem-state-names = "stop";
+
+ qcom,qmp = <&aoss_qmp>;
+
+ glink-edge {
+ interrupts-extended = <&ipcc IPCC_CLIENT_LPASS
+ IPCC_MPROC_SIGNAL_GLINK_QMP
+ IRQ_TYPE_EDGE_RISING>;
+ mboxes = <&ipcc IPCC_CLIENT_LPASS
+ IPCC_MPROC_SIGNAL_GLINK_QMP>;
+
+ label = "lpass";
+ qcom,remote-pid = <2>;
+ };
+ };
--
2.7.4
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