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Message-ID: <20230307142614.GA2742-robh@kernel.org>
Date: Tue, 7 Mar 2023 08:26:14 -0600
From: Rob Herring <robh@...nel.org>
To: Manikanta Mylavarapu <quic_mmanikan@...cinc.com>
Cc: agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
krzysztof.kozlowski+dt@...aro.org, jassisinghbrar@...il.com,
mathieu.poirier@...aro.org, mturquette@...libre.com,
sboyd@...nel.org, quic_gurus@...cinc.com, loic.poulain@...aro.org,
quic_eberman@...cinc.com, robimarko@...il.com,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-remoteproc@...r.kernel.org,
linux-clk@...r.kernel.org, quic_srichara@...cinc.com,
quic_gokulsri@...cinc.com, quic_sjaganat@...cinc.com,
quic_kathirav@...cinc.com, quic_arajkuma@...cinc.com,
quic_anusha@...cinc.com, quic_poovendh@...cinc.com
Subject: Re: [PATCH 01/11] dt-bindings: remoteproc: qcom: Add support for
multipd model
On Tue, Mar 07, 2023 at 10:11:27AM +0530, Manikanta Mylavarapu wrote:
> Add new binding document for multipd model remoteproc.
> IPQ5018, IPQ9574 follows multipd model.
>
> Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@...cinc.com>
> ---
> .../bindings/remoteproc/qcom,multipd-pil.yaml | 282 ++++++++++++++++++
> 1 file changed, 282 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/remoteproc/qcom,multipd-pil.yaml
>
> diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,multipd-pil.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,multipd-pil.yaml
> new file mode 100644
> index 000000000000..b788607f5abd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/remoteproc/qcom,multipd-pil.yaml
> @@ -0,0 +1,282 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/remoteproc/qcom,multipd-pil.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Multipd Secure Peripheral Image Loader
> +
> +maintainers:
> + - Bjorn Andersson <andersson@...nel.org>
> + - Mathieu Poirier <mathieu.poirier@...aro.org>
> +
> +description:
> + Multipd Peripheral Image Loader loads firmware and boots Q6 pd, WCSS pd
> + remoteproc's on the Qualcomm IPQ5018, IPQ9574 SoC.
What is PD? I don't see it defined anywhere.
> +
> +properties:
> + compatible:
> + enum:
> + - qcom,ipq5018-q6-mpd
> + - qcom,ipq9574-q6-mpd
> +
> + '#address-cells': true
Need to define the size.
> +
> + '#size-cells': true
ditto
> +
> + 'ranges': true
Don't need quotes
> +
> + reg:
> + maxItems: 1
> +
> + interrupts-extended:
Just 'interrupts'. Both forms are always supported.
> + 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:
> + minItems: 25
> + maxItems: 25
You need to list out what the clocks are.
> +
> + clock-names:
> + minItems: 25
> + maxItems: 25
> +
> + assigned-clocks:
You can drop this. Implicitly supported.
> + minItems: 13
> + maxItems: 13
> +
> + assigned-clock-rates:
> + minItems: 13
> + maxItems: 13
> +
> + qcom,smem-states:
> + $ref: /schemas/types.yaml#/definitions/phandle-array
I believe this already has a type. It should be defined in a common
schema if not already and then included in this schema.
> + description: States used by the AP to signal the remoteprocessor
> + items:
> + - description: Shutdown Q6
> + - description: Stop Q6
> +
> + qcom,smem-state-names:
> + description:
> + Names of the states used by the AP to signal the remoteprocessor
> + items:
> + - const: shutdown
> + - const: stop
> +
> + memory-region:
> + items:
> + - description: Q6 pd reserved region
> +
> + glink-edge:
> + $ref: /schemas/remoteproc/qcom,glink-edge.yaml#
> + description:
> + Qualcomm G-Link subnode which represents communication edge, channels
> + and devices related to the Modem.
> +
> +patternProperties:
> + "^remoteproc_pd1|remoteproc_pd2|remoteproc_pd3":
> + type: object
> + description:
> + In Multipd model, WCSS pd depends on Q6 pd i.e Q6 pd should be up before
> + WCSS. It can be achieved by keeping wcss pd node as subnode of Q6
> + device node.
> +
> + properties:
> + compatible:
> + enum:
> + - "qcom,ipq5018-wcss-ahb-mpd"
Don't need quotes.
> + - "qcom,ipq9574-wcss-ahb-mpd"
> + - "qcom,ipq5018-wcss-pcie-mpd"
> +
> + interrupts-extended:
Just interrupts
> + items:
> + - description: Fatal interrupt
> + - description: Ready interrupt
> + - description: Spawn acknowledge interrupt
> + - description: Stop acknowledge interrupt
> +
> + interrupt-names:
> + items:
> + - const: fatal
> + - const: ready
> + - const: spawn-ack
> + - const: stop-ack
> +
> + qcom,smem-states:
> + $ref: /schemas/types.yaml#/definitions/phandle-array
> + description: States used by the AP to signal the remoteprocessor
> + items:
> + - description: Shutdown WCSS pd
> + - description: Stop WCSS pd
> + - description: Spawn WCSS pd
> +
> + qcom,smem-state-names:
> + description:
> + Names of the states used by the AP to signal the remoteprocessor
> + items:
> + - const: shutdown
> + - const: stop
> + - const: spawn
> +
> + required:
> + - compatible
> +
> + additionalProperties: false
> +
> +required:
> + - compatible
> + - reg
> + - interrupts-extended
> + - interrupt-names
> + - qcom,smem-states
> + - qcom,smem-state-names
> + - memory-region
> +
> +additionalProperties: false
> +
> +allOf:
> + - if:
> + properties:
> + compatible:
> + enum:
> + - qcom,ipq9574-q6-mpd
> + then:
> + properties:
> + assigned-clocks:
Don't need to define assigned-clocks
> + items:
> + - description: Phandle, clock specifier of GCC_ANOC_WCSS_AXI_M_CLK
> + - description: Phandle, clock specifier of GCC_WCSS_AHB_S_CLK
> + - description: Phandle, clock specifier of GCC_WCSS_ECAHB_CLK
> + - description: Phandle, clock specifier of GCC_WCSS_ACMT_CLK
> + - description: Phandle, clock specifier of GCC_WCSS_AXI_M_CLK
> + - description: Phandle, clock specifier of GCC_Q6_AXIM_CLK
> + - description: Phandle, clock specifier of GCC_Q6_AXIM2_CLK
> + - description: Phandle, clock specifier of GCC_Q6_AHB_CLK
> + - description: Phandle, clock specifier of GCC_Q6_AHB_S_CLK
> + - description: Phandle, clock specifier of GCC_Q6SS_BOOT_CLK
> + - description: Phandle, clock specifier of GCC_MEM_NOC_Q6_AXI_CLK
> + - description: Phandle, clock specifier of GCC_WCSS_Q6_TBU_CLK
> + - description: Phandle, clock specifier of GCC_SYS_NOC_WCSS_AHB_CLK
> + assigned-clock-rates:
> + items:
> + - description: Must be 266666667 HZ
> + - description: Must be 133333333 HZ
> + - description: Must be 133333333 HZ
> + - description: Must be 133333333 HZ
> + - description: Must be 266666667 HZ
> + - description: Must be 533000000 HZ
> + - description: Must be 342857143 HZ
> + - description: Must be 133333333 HZ
> + - description: Must be 133333333 HZ
> + - description: Must be 342857143 HZ
> + - description: Must be 533000000 HZ
> + - description: Must be 533000000 HZ
> + - description: Must be 133333333 HZ
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/clock/qcom,gcc-ipq5018.h>
> + #include <dt-bindings/reset/qcom,gcc-ipq5018.h>
> +
> + q6v5_wcss: remoteproc@...0000 {
> + compatible = "qcom,ipq5018-q6-mpd";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> + reg = <0x0cd00000 0x4040>;
> + interrupts-extended = <&intc GIC_SPI 291 IRQ_TYPE_EDGE_RISING>,
> + <&wcss_smp2p_in 0 0>,
> + <&wcss_smp2p_in 1 0>,
> + <&wcss_smp2p_in 2 0>,
> + <&wcss_smp2p_in 3 0>;
> + interrupt-names = "wdog",
> + "fatal",
> + "ready",
> + "handover",
> + "stop-ack";
> +
> + qcom,smem-states = <&wcss_smp2p_out 0>,
> + <&wcss_smp2p_out 1>;
> + qcom,smem-state-names = "shutdown",
> + "stop";
> +
> + memory-region = <&q6_region>;
> +
> + glink-edge {
> + interrupts = <GIC_SPI 179 IRQ_TYPE_EDGE_RISING>;
> + label = "rtr";
> + qcom,remote-pid = <1>;
> + mboxes = <&apcs_glb 8>;
> + };
> +
> + q6_wcss_pd1: remoteproc_pd1 {
> + compatible = "qcom,ipq5018-wcss-ahb-mpd";
> + interrupts-extended = <&wcss_smp2p_in 8 0>,
> + <&wcss_smp2p_in 9 0>,
> + <&wcss_smp2p_in 12 0>,
> + <&wcss_smp2p_in 11 0>;
> + interrupt-names = "fatal",
> + "ready",
> + "spawn-ack",
> + "stop-ack";
> + qcom,smem-states = <&wcss_smp2p_out 8>,
> + <&wcss_smp2p_out 9>,
> + <&wcss_smp2p_out 10>;
> + qcom,smem-state-names = "shutdown",
> + "stop",
> + "spawn";
> + };
> +
> + q6_wcss_pd2: remoteproc_pd2 {
> + compatible = "qcom,ipq5018-wcss-pcie-mpd";
> + interrupts-extended = <&wcss_smp2p_in 16 0>,
> + <&wcss_smp2p_in 17 0>,
> + <&wcss_smp2p_in 20 0>,
> + <&wcss_smp2p_in 19 0>;
> + interrupt-names = "fatal",
> + "ready",
> + "spawn-ack",
> + "stop-ack";
> +
> + qcom,smem-states = <&wcss_smp2p_out 16>,
> + <&wcss_smp2p_out 17>,
> + <&wcss_smp2p_out 18>;
> + qcom,smem-state-names = "shutdown",
> + "stop",
> + "spawn";
> + status = "okay";
Don't need status in examples.
> + };
> +
> + q6_wcss_pd3: remoteproc_pd3 {
> + compatible = "qcom,ipq5018-wcss-pcie-mpd";
> + interrupts-extended = <&wcss_smp2p_in 24 0>,
> + <&wcss_smp2p_in 25 0>,
> + <&wcss_smp2p_in 28 0>,
> + <&wcss_smp2p_in 27 0>;
> + interrupt-names = "fatal",
> + "ready",
> + "spawn-ack",
> + "stop-ack";
> +
> + qcom,smem-states = <&wcss_smp2p_out 24>,
> + <&wcss_smp2p_out 25>,
> + <&wcss_smp2p_out 26>;
> + qcom,smem-state-names = "shutdown",
> + "stop",
> + "spawn";
> + status = "okay";
> + };
> + };
> --
> 2.34.1
>
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