From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 26E9D25114 for ; Thu, 12 Oct 2023 12:26:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="UnnjNiYc" Received: from mail-lf1-x134.google.com (mail-lf1-x134.google.com [IPv6:2a00:1450:4864:20::134]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 33FB1BE; Thu, 12 Oct 2023 05:26:43 -0700 (PDT) Received: by mail-lf1-x134.google.com with SMTP id 2adb3069b0e04-50435ad51bbso1227776e87.2; Thu, 12 Oct 2023 05:26:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1697113601; x=1697718401; darn=vger.kernel.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=7arwf9Sbc63puBYbaOYgIueno4H8IZ31i37CuMkfbnw=; b=UnnjNiYcT+9l9Pld4cadI0V0x2Fzwapz9wcQ+1bXsoHHPWAC1cdZsWQC6My5UegWh2 UdAu7r1eHLcx0TGOKI6prVVxJJ3cCSL3fAiwIpOAbxqiFWOvU85tYwd8s6F1Qbp1fCZb keqWzMVnb9wUITNZjCUrscNvWUdQs1Ag54NCBsl1QT92hhaEPd2M4ySVdjBci90txGjo PBd2trtS0WeMf8TVHgj+UFQdtghJkvU2innAaD3jj1d2BxXUDNPRSZSLKrdwHqANCtCf LunOoypC1vhH9N45mfTUW6QB+yEaqfLdXmogPjszDoVwO/JWqyyf7iikYru8YT6YOCOo ysPg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697113601; x=1697718401; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=7arwf9Sbc63puBYbaOYgIueno4H8IZ31i37CuMkfbnw=; b=tEGahiwBqe7jxqyoSnUMvJSkTExBFEeluOM7tCgH1YcyYfA2vMOu/da7Zt+tAvUFUv gD4VnJav22bkQ2Mdz6kUccThcvxzw0YSyzlnjVUr7jp3hPo/6+xv/0uOPE85hlCqXS3u mQgoQBd50plJpmXgcxpvrfQs5GYjPtMf+rKiIqeLEQ5+KjlCZDD01mgooPNawT7YNM2u X+bsi2v42KLy0q1pw7gveR+hOwfPzuD7/0ZMc+6m9gWiWfqcbDJko7G6seMb2btT0jto 9sxRYiQk1C39uPERSika6PGA4V9yFBfzS/6Z9JbTYw6QxGsi4TxIlu8gPvtE6iHeeyoq ujtw== X-Gm-Message-State: AOJu0YxrCrqa5wil+CFEcRE38jS57mGfPXtxi0hJx+EEoVs2S3bjza6V Nw29a1L2VnNziFoM2HL++3wCAyJMtLq5XTpUdRbfyk1T/sA= X-Google-Smtp-Source: AGHT+IGQvgR/UKmN6GRDSyaTVXmzOl1h+nOUHRAaAvR6F5hiNV89R5yePnyki+Zoz3z/4gmnYahvzHwm5qJk8blLM0E= X-Received: by 2002:a17:907:c70d:b0:9ae:47c3:35a0 with SMTP id ty13-20020a170907c70d00b009ae47c335a0mr22047943ejc.47.1697113581261; Thu, 12 Oct 2023 05:26:21 -0700 (PDT) Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20230917-imx95-mbox-v1-0-440245287356@nxp.com> In-Reply-To: <20230917-imx95-mbox-v1-0-440245287356@nxp.com> From: Daniel Baluta Date: Thu, 12 Oct 2023 15:26:08 +0300 Message-ID: Subject: Re: [PATCH 0/2] mailbox: imx: support new tx doorbell To: "Peng Fan (OSS)" Cc: Jassi Brar , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Dong Aisheng , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Peng Fan Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net On Sun, Sep 17, 2023 at 7:55=E2=80=AFPM Peng Fan (OSS) wrote: > > The new added channel type is for i.MX95 SCMI mailbox usage. > > i.MX95 using TX doorbell and RX doorbell for the SCMI mailbox transport. > For TX doorbell, we relies on software reply from the other side in > SCMI driver side using mbox_client_txdone to drive the tx tick. > > But the current MU tx doorbell using tasklet to emulate hardware ACK > from mailbox driver side, so add a new doorbell type to support i.MX95 > SCMI mailbox transport. > > Signed-off-by: Peng Fan Reviewed-by: Daniel Baluta > --- > Peng Fan (2): > dt-bindings: mailbox: fsl,mu: add new tx doorbell channel > mailbox: imx: support channel type tx doorbell v2 > > .../devicetree/bindings/mailbox/fsl,mu.yaml | 5 ++-- > drivers/mailbox/imx-mailbox.c | 32 ++++++++++++++++= ++++-- > 2 files changed, 32 insertions(+), 5 deletions(-) > --- > base-commit: e143016b56ecb0fcda5bb6026b0a25fe55274f56 > change-id: 20230916-imx95-mbox-88437c51ce54 > > Best regards, > -- > Peng Fan >