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Message-Id: <1631874941-5262-2-git-send-email-pillair@codeaurora.org>
Date: Fri, 17 Sep 2021 16:05:40 +0530
From: Rakesh Pillai <pillair@...eaurora.org>
To: agross@...nel.org, bjorn.andersson@...aro.org, ohad@...ery.com,
mathieu.poirier@...aro.org, robh+dt@...nel.org,
p.zabel@...gutronix.de
Cc: swboyd@...omium.org, linux-arm-msm@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
sibis@...eaurora.org, mpubbise@...eaurora.org, kuabhs@...omium.org,
Rakesh Pillai <pillair@...eaurora.org>
Subject: [PATCH v4 1/2] dt-bindings: remoteproc: qcom: Add SC7280 WPSS support
Add WPSS PIL loading support for SC7280 SoCs.
Signed-off-by: Rakesh Pillai <pillair@...eaurora.org>
---
.../bindings/remoteproc/qcom,sc7280-wpss-pil.yaml | 198 +++++++++++++++++++++
1 file changed, 198 insertions(+)
create mode 100644 Documentation/devicetree/bindings/remoteproc/qcom,sc7280-wpss-pil.yaml
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sc7280-wpss-pil.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,sc7280-wpss-pil.yaml
new file mode 100644
index 0000000..896d5f47
--- /dev/null
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,sc7280-wpss-pil.yaml
@@ -0,0 +1,198 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/remoteproc/qcom,sc7280-wpss-pil.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm SC7280 WPSS Peripheral Image Loader
+
+maintainers:
+ - Bjorn Andersson <bjorn.andersson@...aro.org>
+
+description:
+ This document defines the binding for a component that loads and boots firmware
+ on the Qualcomm Technology Inc. WPSS.
+
+properties:
+ compatible:
+ enum:
+ - qcom,sc7280-wpss-pil
+
+ reg:
+ maxItems: 1
+ description:
+ The base address and size of the qdsp6ss register
+
+ interrupts-extended:
+ minItems: 6
+ items:
+ - description: Watchdog interrupt
+ - description: Fatal interrupt
+ - description: Ready interrupt
+ - description: Handover interrupt
+ - description: Stop acknowledge interrupt
+ - description: Shutdown acknowledge interrupt
+
+ interrupt-names:
+ minItems: 6
+ items:
+ - const: wdog
+ - const: fatal
+ - const: ready
+ - const: handover
+ - const: stop-ack
+ - const: shutdown-ack
+
+ clocks:
+ minItems: 4
+ items:
+ - description: GCC WPSS AHB BDG Master clock
+ - description: GCC WPSS AHB clock
+ - description: GCC WPSS RSCP clock
+ - description: XO clock
+
+ clock-names:
+ minItems: 4
+ items:
+ - const: gcc_wpss_ahb_bdg_mst_clk
+ - const: gcc_wpss_ahb_clk
+ - const: gcc_wpss_rscp_clk
+ - const: xo
+
+ power-domains:
+ minItems: 2
+ items:
+ - description: CX power domain
+ - description: MX power domain
+
+ power-domain-names:
+ minItems: 2
+ items:
+ - const: cx
+ - const: mx
+
+ resets:
+ minItems: 2
+ items:
+ - description: AOSS restart
+ - description: PDC SYNC
+
+ reset-names:
+ minItems: 2
+ items:
+ - const: restart
+ - const: pdc_sync
+
+ 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
+ three offsets within syscon for q6, modem and nc halt 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-array
+ description: The names of the state bits used for SMP2P output
+ items:
+ - const: stop
+
+ glink-edge:
+ type: object
+ description:
+ Qualcomm G-Link subnode which represents communication edge, channels
+ and devices related to the ADSP.
+
+required:
+ - compatible
+ - reg
+ - interrupts-extended
+ - interrupt-names
+ - clocks
+ - clock-names
+ - power-domains
+ - power-domain-names
+ - reset
+ - reset-names
+ - qcom,halt-regs
+ - memory-region
+ - qcom,qmp
+ - qcom,smem-states
+ - qcom,smem-state-names
+ - glink-edge
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/qcom,gcc-sc7280.h>
+ #include <dt-bindings/clock/qcom,rpmh.h>
+ #include <dt-bindings/power/qcom-rpmpd.h>
+ #include <dt-bindings/reset/qcom,sdm845-aoss.h>
+ #include <dt-bindings/reset/qcom,sdm845-pdc.h>
+ #include <dt-bindings/mailbox/qcom-ipcc.h>
+ remoteproc@...0000 {
+ compatible = "qcom,sc7280-wpss-pil";
+ reg = <0x08a00000 0x10000>;
+
+ interrupts-extended = <&intc GIC_SPI 587 IRQ_TYPE_EDGE_RISING>,
+ <&wpss_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
+ <&wpss_smp2p_in 1 IRQ_TYPE_EDGE_RISING>,
+ <&wpss_smp2p_in 2 IRQ_TYPE_EDGE_RISING>,
+ <&wpss_smp2p_in 3 IRQ_TYPE_EDGE_RISING>,
+ <&wpss_smp2p_in 7 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "wdog", "fatal", "ready", "handover",
+ "stop-ack", "shutdown-ack";
+
+ clocks = <&gcc GCC_WPSS_AHB_BDG_MST_CLK>,
+ <&gcc GCC_WPSS_AHB_CLK>,
+ <&gcc GCC_WPSS_RSCP_CLK>,
+ <&rpmhcc RPMH_CXO_CLK>;
+ clock-names = "gcc_wpss_ahb_bdg_mst_clk",
+ "gcc_wpss_ahb_clk",
+ "gcc_wpss_rscp_clk",
+ "xo";
+
+ power-domains = <&rpmhpd SC7280_CX>,
+ <&rpmhpd SC7280_MX>;
+ power-domain-names = "cx", "mx";
+
+ memory-region = <&wpss_mem>;
+
+ qcom,qmp = <&aoss_qmp>;
+
+ qcom,smem-states = <&wpss_smp2p_out 0>;
+ qcom,smem-state-names = "stop";
+
+ resets = <&aoss_reset AOSS_CC_WCSS_RESTART>,
+ <&pdc_reset PDC_WPSS_SYNC_RESET>;
+ reset-names = "restart", "pdc_sync";
+
+ qcom,halt-regs = <&tcsr_mutex 0x37000>;
+
+ status = "disabled";
+
+ glink-edge {
+ interrupts-extended = <&ipcc IPCC_CLIENT_WPSS
+ IPCC_MPROC_SIGNAL_GLINK_QMP
+ IRQ_TYPE_EDGE_RISING>;
+ mboxes = <&ipcc IPCC_CLIENT_WPSS
+ IPCC_MPROC_SIGNAL_GLINK_QMP>;
+
+ label = "wpss";
+ qcom,remote-pid = <13>;
+ };
+ };
--
2.7.4
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