From patchwork Mon Jul 31 13:24:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 708638 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6F9C0C001DF for ; Mon, 31 Jul 2023 13:25:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232946AbjGaNZb (ORCPT ); Mon, 31 Jul 2023 09:25:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59632 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232136AbjGaNZ3 (ORCPT ); Mon, 31 Jul 2023 09:25:29 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8BCD210DF; Mon, 31 Jul 2023 06:25:28 -0700 (PDT) Received: from [127.0.1.1] (91-154-35-171.elisa-laajakaista.fi [91.154.35.171]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 6AA1512B1; Mon, 31 Jul 2023 15:24:21 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1690809862; bh=jk9Ujzd2lrsBddUBKSdxUek/7PziJpvcJYWomQe7MS8=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=jAjqlB7t9qfFOc3nn888kZkpFWLALxNbScyhDNrnl+pTMpVq2glddNpFaV+8b5VjR q+GfLNjOrERjSCVzC3rMaAO93HhT9/ipq6/gzzzzas5SeR/pGuAbgqCvc9poHxCJpZ PpIRV3P+yoIsAHVqX5xrF1+uZQCPaKRHGLUpmiOE= From: Tomi Valkeinen Date: Mon, 31 Jul 2023 16:24:36 +0300 Subject: [PATCH v3 2/9] media: i2c: ds90ub960: Configure CSI-2 continuous clock MIME-Version: 1.0 Message-Id: <20230731-fpdlink-additions-v3-2-8acfc49c215a@ideasonboard.com> References: <20230731-fpdlink-additions-v3-0-8acfc49c215a@ideasonboard.com> In-Reply-To: <20230731-fpdlink-additions-v3-0-8acfc49c215a@ideasonboard.com> To: Mauro Carvalho Chehab , Luca Ceresoli , Andy Shevchenko , Laurent Pinchart , Sakari Ailus , Hans Verkuil , Satish Nagireddy , Matti Vaittinen Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Tomi Valkeinen , Andy Shevchenko X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1670; i=tomi.valkeinen@ideasonboard.com; h=from:subject:message-id; bh=jk9Ujzd2lrsBddUBKSdxUek/7PziJpvcJYWomQe7MS8=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBkx7Y+jWa/YwmVNqzpIhD3XZCrcIlqRcEy+cc54 Wnvg9w4sSyJAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCZMe2PgAKCRD6PaqMvJYe 9WyCD/951gROsLfMIsbSUx85DbnAM6Yzhpvo2j4XW8ddS67Fr8QHId1E7c3toNHr6FxrOdhCScK jGA7hRJpL4QrJtVDgv0MyJTZ7gg5anAAFjqWICsV+/aZg8UDSksOj0RxF2q+4DzolN5UQAG9XiQ 74fwRezwjaVtv0z4kx3vEdmQ94z8mvw2IGsJI44iy+Wnsx1vszZUU8khuTInQMpcEtYd5SUNM+P VLXAwVWaviXOcOsY1nvRaS8pW0HPUYPv2r5y/hBoRbHrdaO0/1UvvBbrxss+TZqK7jnm3VqG9Rj 88n9+HvSzMi5MEtL1v5xrUwDeyaf4+cTEYQSEKvQ4d478IDHhwVIJwBQHNB+7E0vBxf8M6MSZI8 /oV3tuRIlUgkgSLVA0KpdUEzeM9PoNwBp0H6eQHvy0DSdIkA0K5911D72EV051+48RJ/kVpnz5f iOdj1C28UZJ2qcXjwes/NcGeGJgsPREwgHL2421IucSWwYeQ/K5Uoc3yEi6L6fMTsUildoBgqBd C8TGf7j2uNf+szo/yMGCNlyQXGOTMEa8IdnrLKf08wJ0pRqZLDw/p8nU1XzTWwb3d5xGoy9NSwV A74ytl/yrHfMSdzrycKJY59LsjvtuubYJR9PXI8a7tYWLVNlQgNeHlgUytiRwUzrczVXZNIhoMc MrJPc9UNVeY0Nhw== X-Developer-Key: i=tomi.valkeinen@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Use 'clock-noncontinuous' from DT to configure the continuous/non-continuous clock setting for the TX ports. Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart Reviewed-by: Andy Shevchenko --- drivers/media/i2c/ds90ub960.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/media/i2c/ds90ub960.c b/drivers/media/i2c/ds90ub960.c index 4833b39b9178..b840c9160bf2 100644 --- a/drivers/media/i2c/ds90ub960.c +++ b/drivers/media/i2c/ds90ub960.c @@ -149,6 +149,7 @@ #define UB960_TR_CSI_CTL 0x33 #define UB960_TR_CSI_CTL_CSI_CAL_EN BIT(6) +#define UB960_TR_CSI_CTL_CSI_CONTS_CLOCK BIT(1) #define UB960_TR_CSI_CTL_CSI_ENABLE BIT(0) #define UB960_TR_CSI_CTL2 0x34 @@ -485,6 +486,7 @@ struct ub960_txport { u8 nport; /* TX port number, and index in priv->txport[] */ u32 num_data_lanes; + bool non_continous_clk; }; struct ub960_data { @@ -1133,6 +1135,9 @@ static int ub960_parse_dt_txport(struct ub960_data *priv, goto err_free_txport; } + txport->non_continous_clk = vep.bus.mipi_csi2.flags & + V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK; + txport->num_data_lanes = vep.bus.mipi_csi2.num_data_lanes; if (vep.nr_of_link_frequencies != 1) { @@ -1744,6 +1749,9 @@ static void ub960_init_tx_port(struct ub960_data *priv, csi_ctl |= (4 - txport->num_data_lanes) << 4; + if (!txport->non_continous_clk) + csi_ctl |= UB960_TR_CSI_CTL_CSI_CONTS_CLOCK; + ub960_txport_write(priv, nport, UB960_TR_CSI_CTL, csi_ctl); }