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Message-ID: <aba45ae9-8558-50c1-e5ad-dd910dacdbb3@linaro.org>
Date: Tue, 14 Feb 2023 09:28:34 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Melody Olvera <quic_molvera@...cinc.com>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Jassi Brar <jassisinghbrar@...il.com>,
Mathieu Poirier <mathieu.poirier@...aro.org>,
Robert Marko <robimarko@...il.com>,
Guru Das Srinagesh <quic_gurus@...cinc.com>
Cc: Konrad Dybcio <konrad.dybcio@...aro.org>,
Manivannan Sadhasivam <mani@...nel.org>,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-remoteproc@...r.kernel.org
Subject: Re: [PATCH 5/9] dt-bindings: remoteproc: mpss: Document
QDU1000/QRU1000 mpss devices
On 13/02/2023 19:52, Melody Olvera wrote:
> This documents the compatible for the component used to boot the
> MPSS on the QDU1000 and QRU1000 SoCs.
>
> The QDU1000 and QRU1000 mpss boot process now requires the specification
> of an RMB register space to complete the handshake needed to start or
> attach the mpss.
>
> Signed-off-by: Melody Olvera <quic_molvera@...cinc.com>
> ---
> .../bindings/remoteproc/qcom,qdu1000-pas.yaml | 127 ++++++++++++++++++
> 1 file changed, 127 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/remoteproc/qcom,qdu1000-pas.yaml
>
> diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,qdu1000-pas.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,qdu1000-pas.yaml
> new file mode 100644
> index 000000000000..eb6ade984778
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/remoteproc/qcom,qdu1000-pas.yaml
> @@ -0,0 +1,127 @@
> +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/remoteproc/qcom,qdu1000-pas.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm QDU1000 Peripheral Authentication Service
> +
> +maintainers:
> + - Melody Olvera <quic_molvera@...cinc.com>
> +
> +description:
> + Qualcomm QDU1000 SoC Peripheral Authentication Service loads and boots firmware
> + on the Qualcomm DSP Hexagon cores.
> +
> +properties:
> + compatible:
> + enum:
> + - qcom,qdu1000-mpss-pas
What about other remote processors? The subject prefix suggests it is
only for mpss, but filename is different.
> +
> + reg:
> + maxItems: 2
> +
> + clocks:
> + items:
> + - description: XO clock
> +
> + clock-names:
> + items:
> + - const: xo
> +
> + qcom,qmp:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description: Reference to the AOSS side-channel message RAM.
> +
> + smd-edge: false
> +
> + firmware-name:
> + $ref: /schemas/types.yaml#/definitions/string-array
> + items:
> + - description: Firmware name of the Hexagon core
> + - description: Firmware name of the Hexagon Devicetree
> +
> + memory-region:
> + items:
> + - description: Memory region for main Firmware authentication
> + - description: Memory region for Devicetree Firmware authentication
> + - description: DSM Memory region
> +
> + interrupts:
> + minItems: 6
> +
> + interrupt-names:
> + minItems: 6
> +
> + interconnects:
> + minItems: 1
You can drop the property. It's coming from qcom,pas-common.yaml
> +
> + power-domains:
> + items:
> + - description: CX power domain
> + - description: MSS power domain
> +
> + power-domain-names:
> + items:
> + - const: cx
> + - const: mss
> +
> +required:
> + - compatible
> + - reg
> +
> +allOf:
> + - $ref: /schemas/remoteproc/qcom,pas-common.yaml#
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/qcom,rpmh.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> + #include <dt-bindings/mailbox/qcom-ipcc.h>
> +
> + remoteproc@...0000 {
> + compatible = "qcom,qdu1000-mpss-pas";
> + reg = <0x4080000 0x4040>,
> + <0x4180000 0x1000>;
> +
> + clocks = <&rpmhcc RPMH_CXO_CLK>;
> + clock-names = "xo";
> +
> + interrupts-extended = <&intc GIC_SPI 264 IRQ_TYPE_EDGE_RISING>,
> + <&smp2p_modem_in 0 IRQ_TYPE_EDGE_RISING>,
> + <&smp2p_modem_in 1 IRQ_TYPE_EDGE_RISING>,
> + <&smp2p_modem_in 2 IRQ_TYPE_EDGE_RISING>,
> + <&smp2p_modem_in 3 IRQ_TYPE_EDGE_RISING>
> + <&smp2p_modem_in 7 IRQ_TYPE_EDGE_RISING>;
> + interrupt-names = "wdog", "fatal", "ready", "handover",
> + "stop-ack", "shutdown-ack";
> +
> + memory-region = <&mpss_mem>, <&dtb_mpss_mem>, <&mpss_dsm_mem>;
> +
> + firmware-name = "modem.mdt",
> + "modem_dtb.mdt";
> +
> + power-domains = <&rpmhpd QDU1000_CX>,
> + <&rpmhpd QDU1000_MSS>;
> + power-domain-names = "cx", "mss";
> +
> + interconnects = <&mc_virt MASTER_LLCC &mc_virt SLAVE_EBI1>;
> +
> + qcom,qmp = <&aoss_qmp>;
> +
> + qcom,smem-states = <&smp2p_adsp_out 0>;
> + qcom,smem-state-names = "stop";
> +
> + 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 = <2>;
> +
Drop blank line
> + };
> + };
Best regards,
Krzysztof
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