linux-kernel - [PATCH v7 2/3] phy: phy-mtk-hdmi: Add generic phy configure callback

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Message-Id: <20220919-v7-2-b5b58c5ccc07@baylibre.com>
Date:   Mon, 13 Feb 2023 12:33:33 +0100
From:   Guillaume Ranquet <granquet@...libre.com>
To:     Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>, CK Hu <ck.hu@...iatek.com>,
        Jitao shi <jitao.shi@...iatek.com>
Cc:     linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, mac.shen@...iatek.com,
        stuart.lee@...iatek.com, Guillaume Ranquet <granquet@...libre.com>
Subject: [PATCH v7 2/3] phy: phy-mtk-hdmi: Add generic phy configure
 callback

Some phys, such as mt8195, needs to have a configure callback defined.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@...il.com>
Signed-off-by: Guillaume Ranquet <granquet@...libre.com>
---
 drivers/phy/mediatek/phy-mtk-hdmi.c | 12 ++++++++++++
 drivers/phy/mediatek/phy-mtk-hdmi.h |  1 +
 2 files changed, 13 insertions(+)

diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.c b/drivers/phy/mediatek/phy-mtk-hdmi.c
index b16d437d6721..32f713301768 100644
--- a/drivers/phy/mediatek/phy-mtk-hdmi.c
+++ b/drivers/phy/mediatek/phy-mtk-hdmi.c
@@ -8,10 +8,12 @@
 
 static int mtk_hdmi_phy_power_on(struct phy *phy);
 static int mtk_hdmi_phy_power_off(struct phy *phy);
+static int mtk_hdmi_phy_configure(struct phy *phy, union phy_configure_opts *opts);
 
 static const struct phy_ops mtk_hdmi_phy_dev_ops = {
 	.power_on = mtk_hdmi_phy_power_on,
 	.power_off = mtk_hdmi_phy_power_off,
+	.configure = mtk_hdmi_phy_configure,
 	.owner = THIS_MODULE,
 };
 
@@ -43,6 +45,16 @@ static int mtk_hdmi_phy_power_off(struct phy *phy)
 	return 0;
 }
 
+static int mtk_hdmi_phy_configure(struct phy *phy, union phy_configure_opts *opts)
+{
+	struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(phy);
+
+	if (hdmi_phy->conf->hdmi_phy_configure)
+		return hdmi_phy->conf->hdmi_phy_configure(phy, opts);
+
+	return 0;
+}
+
 static const struct phy_ops *
 mtk_hdmi_phy_dev_get_ops(const struct mtk_hdmi_phy *hdmi_phy)
 {
diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.h b/drivers/phy/mediatek/phy-mtk-hdmi.h
index c7fa65cff989..f5aac9d352d8 100644
--- a/drivers/phy/mediatek/phy-mtk-hdmi.h
+++ b/drivers/phy/mediatek/phy-mtk-hdmi.h
@@ -24,6 +24,7 @@ struct mtk_hdmi_phy_conf {
 	const struct clk_ops *hdmi_phy_clk_ops;
 	void (*hdmi_phy_enable_tmds)(struct mtk_hdmi_phy *hdmi_phy);
 	void (*hdmi_phy_disable_tmds)(struct mtk_hdmi_phy *hdmi_phy);
+	int (*hdmi_phy_configure)(struct phy *phy, union phy_configure_opts *opts);
 };
 
 struct mtk_hdmi_phy {

-- 
2.39.0