From: Pratyush Yadav <p.yadav@ti.com> To: Vinod Koul <vkoul@kernel.org> Cc: Nikhil Devshatwar <nikhil.nd@ti.com>, Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Paul Kocialkowski <paul.kocialkowski@bootlin.com>, Vignesh Raghavendra <vigneshr@ti.com>, Pratyush Yadav <p.yadav@ti.com>, Kishon Vijay Abraham I <kishon@ti.com>, <linux-kernel@vger.kernel.org>, <linux-phy@lists.infradead.org> Subject: [PATCH v3 1/7] phy: Distinguish between Rx and Tx for MIPI D-PHY with submodes Date: Fri, 25 Jun 2021 00:11:02 +0530 [thread overview] Message-ID: <20210624184108.21312-2-p.yadav@ti.com> (raw) In-Reply-To: <20210624184108.21312-1-p.yadav@ti.com> From: Paul Kocialkowski <paul.kocialkowski@bootlin.com> As some D-PHY controllers support both Rx and Tx mode, we need a way for users to explicitly request one or the other. For instance, Rx mode can be used along with MIPI CSI-2 while Tx mode can be used with MIPI DSI. Introduce new MIPI D-PHY PHY submodes to use with PHY_MODE_MIPI_DPHY. The default (zero value) is kept to Tx so only the rkisp1 driver, which uses D-PHY in Rx mode, needs to be adapted. Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Signed-off-by: Pratyush Yadav <p.yadav@ti.com> --- (no changes since v1) include/linux/phy/phy-mipi-dphy.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/linux/phy/phy-mipi-dphy.h b/include/linux/phy/phy-mipi-dphy.h index a877ffee845d..0f57ef46a8b5 100644 --- a/include/linux/phy/phy-mipi-dphy.h +++ b/include/linux/phy/phy-mipi-dphy.h @@ -6,6 +6,19 @@ #ifndef __PHY_MIPI_DPHY_H_ #define __PHY_MIPI_DPHY_H_ +/** + * enum phy_mipi_dphy_submode - MIPI D-PHY sub-mode + * + * A MIPI D-PHY can be used to transmit or receive data. + * Since some controllers can support both, the direction to enable is specified + * with the PHY sub-mode. Transmit is assumed by default with phy_set_mode. + */ + +enum phy_mipi_dphy_submode { + PHY_MIPI_DPHY_SUBMODE_TX = 0, + PHY_MIPI_DPHY_SUBMODE_RX, +}; + /** * struct phy_configure_opts_mipi_dphy - MIPI D-PHY configuration set * -- 2.30.0
WARNING: multiple messages have this Message-ID (diff)
From: Pratyush Yadav <p.yadav@ti.com> To: Vinod Koul <vkoul@kernel.org> Cc: Nikhil Devshatwar <nikhil.nd@ti.com>, Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Paul Kocialkowski <paul.kocialkowski@bootlin.com>, Vignesh Raghavendra <vigneshr@ti.com>, Pratyush Yadav <p.yadav@ti.com>, Kishon Vijay Abraham I <kishon@ti.com>, <linux-kernel@vger.kernel.org>, <linux-phy@lists.infradead.org> Subject: [PATCH v3 1/7] phy: Distinguish between Rx and Tx for MIPI D-PHY with submodes Date: Fri, 25 Jun 2021 00:11:02 +0530 [thread overview] Message-ID: <20210624184108.21312-2-p.yadav@ti.com> (raw) In-Reply-To: <20210624184108.21312-1-p.yadav@ti.com> From: Paul Kocialkowski <paul.kocialkowski@bootlin.com> As some D-PHY controllers support both Rx and Tx mode, we need a way for users to explicitly request one or the other. For instance, Rx mode can be used along with MIPI CSI-2 while Tx mode can be used with MIPI DSI. Introduce new MIPI D-PHY PHY submodes to use with PHY_MODE_MIPI_DPHY. The default (zero value) is kept to Tx so only the rkisp1 driver, which uses D-PHY in Rx mode, needs to be adapted. Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Signed-off-by: Pratyush Yadav <p.yadav@ti.com> --- (no changes since v1) include/linux/phy/phy-mipi-dphy.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/linux/phy/phy-mipi-dphy.h b/include/linux/phy/phy-mipi-dphy.h index a877ffee845d..0f57ef46a8b5 100644 --- a/include/linux/phy/phy-mipi-dphy.h +++ b/include/linux/phy/phy-mipi-dphy.h @@ -6,6 +6,19 @@ #ifndef __PHY_MIPI_DPHY_H_ #define __PHY_MIPI_DPHY_H_ +/** + * enum phy_mipi_dphy_submode - MIPI D-PHY sub-mode + * + * A MIPI D-PHY can be used to transmit or receive data. + * Since some controllers can support both, the direction to enable is specified + * with the PHY sub-mode. Transmit is assumed by default with phy_set_mode. + */ + +enum phy_mipi_dphy_submode { + PHY_MIPI_DPHY_SUBMODE_TX = 0, + PHY_MIPI_DPHY_SUBMODE_RX, +}; + /** * struct phy_configure_opts_mipi_dphy - MIPI D-PHY configuration set * -- 2.30.0 -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy
next prev parent reply other threads:[~2021-06-24 18:41 UTC|newest] Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-24 18:41 [PATCH v3 0/7] Rx mode support for Cadence DPHY Pratyush Yadav 2021-06-24 18:41 ` Pratyush Yadav 2021-06-24 18:41 ` Pratyush Yadav [this message] 2021-06-24 18:41 ` [PATCH v3 1/7] phy: Distinguish between Rx and Tx for MIPI D-PHY with submodes Pratyush Yadav 2021-08-06 11:11 ` Paul Kocialkowski 2021-08-06 11:11 ` Paul Kocialkowski 2021-08-11 17:36 ` Pratyush Yadav 2021-08-11 17:36 ` Pratyush Yadav 2021-06-24 18:41 ` [PATCH v3 2/7] phy: cdns-dphy: Prepare for Rx support Pratyush Yadav 2021-06-24 18:41 ` Pratyush Yadav 2021-08-06 10:18 ` Vinod Koul 2021-08-06 10:18 ` Vinod Koul 2021-08-11 17:39 ` Pratyush Yadav 2021-08-11 17:39 ` Pratyush Yadav 2021-06-24 18:41 ` [PATCH v3 3/7] phy: cdns-dphy: Allow setting mode Pratyush Yadav 2021-06-24 18:41 ` Pratyush Yadav 2021-06-24 18:41 ` [PATCH v3 4/7] phy: cdns-dphy: Add Rx support Pratyush Yadav 2021-06-24 18:41 ` Pratyush Yadav 2021-08-06 11:15 ` Vinod Koul 2021-08-06 11:15 ` Vinod Koul 2021-08-11 17:33 ` Pratyush Yadav 2021-08-11 17:33 ` Pratyush Yadav 2021-06-24 18:41 ` [PATCH v3 5/7] phy: dt-bindings: Convert Cadence DPHY binding to YAML Pratyush Yadav 2021-06-24 18:41 ` Pratyush Yadav 2021-06-24 18:41 ` [PATCH v3 6/7] phy: dt-bindings: cdns,dphy: make clocks optional Pratyush Yadav 2021-06-24 18:41 ` Pratyush Yadav 2021-06-24 18:41 ` [PATCH v3 7/7] phy: dt-bindings: cdns,dphy: add power-domains property Pratyush Yadav 2021-06-24 18:41 ` [PATCH v3 7/7] phy: dt-bindings: cdns, dphy: " Pratyush Yadav
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