From patchwork Fri Dec 6 22:03:41 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Ciocaltea X-Patchwork-Id: 13897836 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 22351E7717B for ; Fri, 6 Dec 2024 22:05:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=EBGOdW4oTTCa1JclPp8xkjljvgMUCVt9VuA0WKX1NwQ=; b=WI3S9NiTlGbSJIpdRkGHAC6u4n xslSA2cFtcTI4SdcdEWconHRh4x4a5Nx/4ItD2qfzZK1lpKjpSjXXMYlL3ApJ0tiKQi9mzrxOfo6N 9YhflIXPtdpFVQEgNVQk2kq14+GvBzyFsDOJRgUFJjxYgwMxnMm+LRPNkRUmOJHvL9e7ECN+mR0Zl jN6FEyf/rHTKv6Wdfjp6PBlAo+r4VTaVRHmNnDN7Ah35As0dMMzFMl0jMCH03BX2wwdF5GBAES9/K MM49uk+dS7BdkwNK0qy1p+8Ic2qo6nNOnyG2ahuR0jrCoNBg6Wxfmg5F/FIYOlHr+yQTyfig2bSfI lukNQBSg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tJgRb-00000002qwv-2xQi; Fri, 06 Dec 2024 22:05:03 +0000 Received: from bali.collaboradmins.com ([148.251.105.195]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tJgQY-00000002qgd-3iZy; Fri, 06 Dec 2024 22:04:00 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1733522637; bh=ocDDbVeLdHpMPiMcDE70Fk3emF/id8nLMdcCqc5xz28=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=bBha6SS8RvYjJUKGyMU5idpglImf7IY01Mf33R5oAsYv8afU9xum3uaJDDgLmHmZe oK5o1cYoDpJN2eQgC1ee3PIY3iekV8nniKrAla6srAwkEEFIqanMYI5xjHtA6KH7x4 o4c+FGnj6KxVLzNjl/pPKOuqwudz0akvZ7MrcWlWnZGFpyipC1eDkH8Xm00iaeSLq2 9eSFzN7Gxe7mLNw72DReoM5slGcHZ8NRBfsXg4trPppJ4Lmc0M5QAM769aeLeQbNlK fkfF/VY+7ITVaSvFkJzUVzU5xP8jLQ1wnv35dta5tTBDd0KGLrY7KsBAOS29hNRGvV 1+BK8RIROqKYw== Received: from localhost (unknown [188.27.48.199]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: cristicc) by bali.collaboradmins.com (Postfix) with ESMTPSA id 3CB1B17E3807; Fri, 6 Dec 2024 23:03:57 +0100 (CET) From: Cristian Ciocaltea Date: Sat, 07 Dec 2024 00:03:41 +0200 Subject: [PATCH 1/4] phy: Add HDMI configuration options MIME-Version: 1.0 Message-Id: <20241207-phy-sam-hdptx-bpc-v1-1-03c2e4d6d797@collabora.com> References: <20241207-phy-sam-hdptx-bpc-v1-0-03c2e4d6d797@collabora.com> In-Reply-To: <20241207-phy-sam-hdptx-bpc-v1-0-03c2e4d6d797@collabora.com> To: Vinod Koul , Kishon Vijay Abraham I , Heiko Stuebner Cc: Sandor Yu , Dmitry Baryshkov , Maxime Ripard , kernel@collabora.com, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org X-Mailer: b4 0.14.2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241206_140359_075178_12C7D6A0 X-CRM114-Status: GOOD ( 14.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Sandor Yu Allow HDMI PHYs to be configured through the generic functions through a custom structure added to the generic union. The parameters added here are based on HDMI PHY implementation practices. The current set of parameters should cover the potential users. Signed-off-by: Sandor Yu Reviewed-by: Dmitry Baryshkov Reviewed-by: Maxime Ripard Link: https://lore.kernel.org/r/43757beec6cd418fc17252283de38009d531c7c7.1732627815.git.Sandor.yu@nxp.com Signed-off-by: Cristian Ciocaltea --- include/linux/phy/phy-hdmi.h | 19 +++++++++++++++++++ include/linux/phy/phy.h | 7 ++++++- 2 files changed, 25 insertions(+), 1 deletion(-) diff --git a/include/linux/phy/phy-hdmi.h b/include/linux/phy/phy-hdmi.h new file mode 100644 index 0000000000000000000000000000000000000000..6a696922bc7f29af63d88646701b2c0fcee5c885 --- /dev/null +++ b/include/linux/phy/phy-hdmi.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2022,2024 NXP + */ + +#ifndef __PHY_HDMI_H_ +#define __PHY_HDMI_H_ + +/** + * struct phy_configure_opts_hdmi - HDMI configuration set + * @tmds_char_rate: HDMI TMDS Character Rate in Hertz. + * + * This structure is used to represent the configuration state of a HDMI phy. + */ +struct phy_configure_opts_hdmi { + unsigned long long tmds_char_rate; +}; + +#endif /* __PHY_HDMI_H_ */ diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h index 03cd5bae92d3f189d739c453fe4c160dd2a5063e..4ac486b101fe4023b8f2a84e907e65a0ff0a5ede 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -17,6 +17,7 @@ #include #include +#include #include #include @@ -42,7 +43,8 @@ enum phy_mode { PHY_MODE_MIPI_DPHY, PHY_MODE_SATA, PHY_MODE_LVDS, - PHY_MODE_DP + PHY_MODE_DP, + PHY_MODE_HDMI, }; enum phy_media { @@ -60,11 +62,14 @@ enum phy_media { * the DisplayPort protocol. * @lvds: Configuration set applicable for phys supporting * the LVDS phy mode. + * @hdmi: Configuration set applicable for phys supporting + * the HDMI phy mode. */ union phy_configure_opts { struct phy_configure_opts_mipi_dphy mipi_dphy; struct phy_configure_opts_dp dp; struct phy_configure_opts_lvds lvds; + struct phy_configure_opts_hdmi hdmi; }; /**