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charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240527-topic-sm8x50-upstream-phy-combo-typec-mux-v2-3-a03e68d7b8fc@linaro.org> References: <20240527-topic-sm8x50-upstream-phy-combo-typec-mux-v2-0-a03e68d7b8fc@linaro.org> In-Reply-To: <20240527-topic-sm8x50-upstream-phy-combo-typec-mux-v2-0-a03e68d7b8fc@linaro.org> To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Krzysztof Kozlowski Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2828; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=64NV6QzxOvpeyMBuyWNXD513V021rtwBykr1hxoHJD4=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBmVEd+Iqk2CoBGSG/vvhX6fqwQ1IgBdRIZAOChhnvF X/Z5q7KJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCZlRHfgAKCRB33NvayMhJ0VVkD/ 91JOyMvWaIuisFv1fb/z+0SJSAlcj9xc65JF+wOjXsIhJ8j4mVlCyUcYfGOEN011OCzET/GZ8C8GjX Q8GVS1X2RTKmwXwNKsULIdwDnf5Mep/go2GLeUBhTG+MmwelkjWV8fkL6nubsBzsy+0CCVIdd1GIPm 5COBZQEzS9RAqg2xEBGvFkwQ3SbQpfCGWG+DUXiQK/KV09U0ygYpTkP/udnODf5wdzNC8qmvqFtQ5v 5mUzE/al55I+TlLnkoPEmWRCuYfx1p0S8tS7uODLI98mwOqCqcSBDtoLpBN8KxZFVcQDJBgC1ytoqB GxsyYZJUBkJd6ahagAOb1tQsh5aRtqzw+rPmorQmL3ngMR6A4z81ude3rjs968fYU9vT5CrpGxs5Wd 68c/H4ycD8Zn20dQnnFatuLETOwX/qEdMonl3aiS0qMvBSkn4vXWTxooWBvsTN4KZTczwE6jhskaJp yTfnYkekv/8USAKiS/xT9zfRnn9bQRfv8zwdnIWYKJHzxlOatzCpZoe5bGqJwwUziDipdTr3ZoMhMV COkGCTRVZx3RWyd7sUceNCgsUg63DqF8D5/TBlv3EjC3EaOCkaSY2dBMk/GxUPFMi1qguU51YBpPow zxHNEsGQkQcimqSQfU7BhOsUGJdHVumRmYWXxOWx1Q1e+yt59QB5iNCMvFDA== X-Developer-Key: i=neil.armstrong@linaro.org; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE Introduce an enum for the QMP Combo PHY modes, use it in the QMP commmon phy init function and default to COMBO mode. Signed-off-by: Neil Armstrong Reviewed-by: Dmitry Baryshkov --- drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 41 +++++++++++++++++++++++++++= ---- 1 file changed, 36 insertions(+), 5 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualco= mm/phy-qcom-qmp-combo.c index 183cd9cd1884..788e4c05eaf2 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c @@ -61,6 +61,12 @@ =20 #define PHY_INIT_COMPLETE_TIMEOUT 10000 =20 +enum qphy_mode { + QPHY_MODE_COMBO =3D 0, + QPHY_MODE_DP_ONLY, + QPHY_MODE_USB_ONLY, +}; + /* set of registers with offsets different per-PHY */ enum qphy_reg_layout { /* PCS registers */ @@ -1503,6 +1509,7 @@ struct qmp_combo { =20 struct mutex phy_mutex; int init_count; + enum qphy_mode init_mode; =20 struct phy *usb_phy; enum phy_mode mode; @@ -2589,12 +2596,33 @@ static int qmp_combo_com_init(struct qmp_combo *qmp= , bool force) if (qmp->orientation =3D=3D TYPEC_ORIENTATION_REVERSE) val |=3D SW_PORTSELECT_VAL; writel(val, com + QPHY_V3_DP_COM_TYPEC_CTRL); - writel(USB3_MODE | DP_MODE, com + QPHY_V3_DP_COM_PHY_MODE_CTRL); =20 - /* bring both QMP USB and QMP DP PHYs PCS block out of reset */ - qphy_clrbits(com, QPHY_V3_DP_COM_RESET_OVRD_CTRL, - SW_DPPHY_RESET_MUX | SW_DPPHY_RESET | - SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET); + switch (qmp->init_mode) { + case QPHY_MODE_COMBO: + writel(USB3_MODE | DP_MODE, com + QPHY_V3_DP_COM_PHY_MODE_CTRL); + + /* bring both QMP USB and QMP DP PHYs PCS block out of reset */ + qphy_clrbits(com, QPHY_V3_DP_COM_RESET_OVRD_CTRL, + SW_DPPHY_RESET_MUX | SW_DPPHY_RESET | + SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET); + break; + + case QPHY_MODE_DP_ONLY: + writel(DP_MODE, com + QPHY_V3_DP_COM_PHY_MODE_CTRL); + + /* bring QMP DP PHY PCS block out of reset */ + qphy_clrbits(com, QPHY_V3_DP_COM_RESET_OVRD_CTRL, + SW_DPPHY_RESET_MUX | SW_DPPHY_RESET); + break; + + case QPHY_MODE_USB_ONLY: + writel(USB3_MODE, com + QPHY_V3_DP_COM_PHY_MODE_CTRL); + + /* bring QMP USB PHY PCS block out of reset */ + qphy_clrbits(com, QPHY_V3_DP_COM_RESET_OVRD_CTRL, + SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET); + break; + } =20 qphy_clrbits(com, QPHY_V3_DP_COM_SWI_CTRL, 0x03); qphy_clrbits(com, QPHY_V3_DP_COM_SW_RESET, SW_RESET); @@ -3603,6 +3631,9 @@ static int qmp_combo_probe(struct platform_device *pd= ev) if (ret) goto err_node_put; =20 + /* Set PHY_MODE as combo by default */ + qmp->init_mode =3D QPHY_MODE_COMBO; + qmp->usb_phy =3D devm_phy_create(dev, usb_np, &qmp_combo_usb_phy_ops); if (IS_ERR(qmp->usb_phy)) { ret =3D PTR_ERR(qmp->usb_phy); --=20 2.34.1