linux-zen-desktop/Documentation/devicetree/bindings/remoteproc/qcom,qcs404-cdsp-pil.yaml

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2023-08-30 17:31:07 +02:00
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/remoteproc/qcom,qcs404-cdsp-pil.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm QCS404 CDSP Peripheral Image Loader
maintainers:
- Bjorn Andersson <bjorn.andersson@linaro.org>
description:
This document defines the binding for a component that loads and boots firmware
on the Qualcomm Technology Inc. CDSP (Compute DSP).
properties:
compatible:
enum:
- qcom,qcs404-cdsp-pil
reg:
maxItems: 1
description:
The base address and size of the qdsp6ss register
interrupts:
items:
- description: Watchdog interrupt
- description: Fatal interrupt
- description: Ready interrupt
- description: Handover interrupt
- description: Stop acknowledge interrupt
interrupt-names:
items:
- const: wdog
- const: fatal
- const: ready
- const: handover
- const: stop-ack
clocks:
items:
- description: XO clock
- description: SWAY clock
- description: TBU clock
- description: BIMC clock
- description: AHB AON clock
- description: Q6SS SLAVE clock
- description: Q6SS MASTER clock
- description: Q6 AXIM clock
clock-names:
items:
- const: xo
- const: sway
- const: tbu
- const: bimc
- const: ahb_aon
- const: q6ss_slave
- const: q6ss_master
- const: q6_axim
power-domains:
items:
- description: CX power domain
resets:
items:
- description: AOSS restart
reset-names:
items:
- const: restart
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,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
items:
- const: stop
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
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/qcom,gcc-qcs404.h>
#include <dt-bindings/power/qcom-rpmpd.h>
#include <dt-bindings/clock/qcom,turingcc-qcs404.h>
remoteproc@b00000 {
compatible = "qcom,qcs404-cdsp-pil";
reg = <0x00b00000 0x4040>;
interrupts-extended = <&intc GIC_SPI 229 IRQ_TYPE_EDGE_RISING>,
<&cdsp_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
<&cdsp_smp2p_in 1 IRQ_TYPE_EDGE_RISING>,
<&cdsp_smp2p_in 2 IRQ_TYPE_EDGE_RISING>,
<&cdsp_smp2p_in 3 IRQ_TYPE_EDGE_RISING>;
interrupt-names = "wdog", "fatal", "ready",
"handover", "stop-ack";
clocks = <&xo_board>,
<&gcc GCC_CDSP_CFG_AHB_CLK>,
<&gcc GCC_CDSP_TBU_CLK>,
<&gcc GCC_BIMC_CDSP_CLK>,
<&turingcc TURING_WRAPPER_AON_CLK>,
<&turingcc TURING_Q6SS_AHBS_AON_CLK>,
<&turingcc TURING_Q6SS_AHBM_AON_CLK>,
<&turingcc TURING_Q6SS_Q6_AXIM_CLK>;
clock-names = "xo",
"sway",
"tbu",
"bimc",
"ahb_aon",
"q6ss_slave",
"q6ss_master",
"q6_axim";
power-domains = <&rpmhpd SDM845_CX>;
resets = <&gcc GCC_CDSP_RESTART>;
reset-names = "restart";
qcom,halt-regs = <&tcsr 0x19004>;
memory-region = <&cdsp_fw_mem>;
qcom,smem-states = <&cdsp_smp2p_out 0>;
qcom,smem-state-names = "stop";
};