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charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20241022-x1e80100-ps8830-v3-1-68a95f351e99@linaro.org> References: <20241022-x1e80100-ps8830-v3-0-68a95f351e99@linaro.org> In-Reply-To: <20241022-x1e80100-ps8830-v3-0-68a95f351e99@linaro.org> To: Heikki Krogerus , Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, Bjorn Andersson , Konrad Dybcio , Rajendra Nayak , Sibi Sankar , Johan Hovold , Dmitry Baryshkov , Trilok Soni , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, Abel Vesa X-Mailer: b4 0.15-dev-dedf8 X-Developer-Signature: v=1; a=openpgp-sha256; l=3623; i=abel.vesa@linaro.org; h=from:subject:message-id; bh=9fRQ6n/qsT4Eo4o8dtxsoT2LEgiFvt7RuxiVrOmz67M=; b=owEBbQKS/ZANAwAKARtfRMkAlRVWAcsmYgBnF3344rsQ7Lqt78Ied8Q9JJHvAYQrJMJO76p7g M/NjF/4UfaJAjMEAAEKAB0WIQRO8+4RTnqPKsqn0bgbX0TJAJUVVgUCZxd9+AAKCRAbX0TJAJUV VsErD/99GOp0pKiCdrrqBBy4RM+7vUBpdCq0nb4v+yKBmKUmBf+WmjQac7QUF88fyRKcKIj+V/3 fe8/PUbNFsLHrIbZs/sFiuH0fvOuzBM9mqZuagVu99ZdtiN8eLC3uvVBU6cXwm1z4MgV2D0y3Hk txYleU27gNE43DLzcJlYaIGgxHPtPoNNwi4Xnr2zAZjm7KagwrqdkdPGH6PN1wd/QXRRiRq1XhP StP5g4YNTADqas2rkImRXs67opTRQWAvpkWqe7OGXUDdhkux2KjTjmZPAe0rFGaQv31klkVatvG KjYi3SYHwdldtHQj1UPUl1Y0MB/ERvnKWwgcCKuTZk7EzlyJYOvUTOPqnhoRohIne9zUNRdzJNF FQsD7nN1ENoaIqbmt6iFnw+0Lu0jb0ofOB3pepOJCpHWATcgbGUV6m4t0+pVeiHL/BGmiGzTBaj expCv7hxyN+BhsfrY8r0MhrbNQSgNr2sRXq4Q6SMWsAEx1oYa7H5Ypj1xdHKi/FpX53SwaYkrLw 6aFY7m0QC+ZSLw6WfBTcU7A2xgqjoHFkpKKbfFwu3Z3gg2cdIym0ztkiAkCp37Xlkux6UjzLjFn 5PpWtrAZIDUtiDide3J4YuaEvQkMqWzlpS2YM9iyuwQzzcdHRCRtssZAdU0gX3Ebnhrv/TFYO+D +qgA4nBIfxMUQpg== X-Developer-Key: i=abel.vesa@linaro.org; a=openpgp; fpr=6AFF162D57F4223A8770EF5AF7BF214136F41FAE Document bindings for the Parade PS8830 Type-C retimer. This retimer is currently found on all boards featuring Qualcomm Snapdragon X Elite SoCs and it is needed to provide altmode muxing between DP and USB, but also connector orientation handling between. Signed-off-by: Abel Vesa --- .../devicetree/bindings/usb/parade,ps8830.yaml | 129 +++++++++++++++++= ++++ 1 file changed, 129 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/parade,ps8830.yaml b/Doc= umentation/devicetree/bindings/usb/parade,ps8830.yaml new file mode 100644 index 0000000000000000000000000000000000000000..ee4c69eca6066e4da0373fad6c2= 5d6e9fff83366 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/parade,ps8830.yaml @@ -0,0 +1,129 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/parade,ps8830.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Parade PS8830 USB and DisplayPort Retimer + +maintainers: + - Abel Vesa + +properties: + compatible: + enum: + - parade,ps8830 + + reg: + maxItems: 1 + + clocks: + items: + - description: XO Clock + + clock-names: + items: + - const: xo + + ps8830,boot-on: + description: Left enabled at boot, so skip resetting + type: boolean + + reset-gpios: + maxItems: 1 + + vdd-supply: + description: power supply (1.07V) + + vdd33-supply: + description: power supply (3.3V) + + vdd33-cap-supply: + description: power supply (3.3V) + + vddar-supply: + description: power supply (1.07V) + + vddat-supply: + description: power supply (1.07V) + + vddio-supply: + description: power supply (1.2V or 1.8V) + +required: + - compatible + - reg + - clocks + - clock-names + - reset-gpios + - vdd-supply + - vdd33-supply + - vdd33-cap-supply + - vddat-supply + - vddio-supply + - orientation-switch + - retimer-switch + +allOf: + - $ref: usb-switch.yaml# + +unevaluatedProperties: false + +examples: + - | + #include + + i2c { + #address-cells =3D <1>; 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a=openpgp; fpr=6AFF162D57F4223A8770EF5AF7BF214136F41FAE The Parade PS8830 is a Type-C muti-protocol retimer controlled over I2C. It provides both altmode and orientation handling. Add a driver with support for the following modes: - DP 4lanes - DP 2lanes + USB3 - USB3 Signed-off-by: Abel Vesa --- drivers/usb/typec/mux/Kconfig | 10 + drivers/usb/typec/mux/Makefile | 1 + drivers/usb/typec/mux/ps8830.c | 423 +++++++++++++++++++++++++++++++++++++= ++++ 3 files changed, 434 insertions(+) diff --git a/drivers/usb/typec/mux/Kconfig b/drivers/usb/typec/mux/Kconfig index ce7db6ad30572a0a74890f5f11944fb3ff07f635..48613b67f1c5dacd14d54baf91c= 3066377cf97be 100644 --- a/drivers/usb/typec/mux/Kconfig +++ b/drivers/usb/typec/mux/Kconfig @@ -56,6 +56,16 @@ config TYPEC_MUX_NB7VPQ904M Say Y or M if your system has a On Semiconductor NB7VPQ904M Type-C redriver chip found on some devices with a Type-C port. =20 +config TYPEC_MUX_PS8830 + tristate "Parade PS8830 Type-C retimer driver" + depends on I2C + depends on DRM || DRM=3Dn + select DRM_AUX_BRIDGE if DRM_BRIDGE && OF + select REGMAP_I2C + help + Say Y or M if your system has a Parade PS8830 Type-C retimer chip + found on some devices with a Type-C port. + config TYPEC_MUX_PTN36502 tristate "NXP PTN36502 Type-C redriver driver" depends on I2C diff --git a/drivers/usb/typec/mux/Makefile b/drivers/usb/typec/mux/Makefile index bb96f30267af05b33b9277dcf1cc0e1527d2dcdd..4b23b12cfe45a0ff8a37f38c7ba= 050f572d556e7 100644 --- a/drivers/usb/typec/mux/Makefile +++ b/drivers/usb/typec/mux/Makefile @@ -6,5 +6,6 @@ obj-$(CONFIG_TYPEC_MUX_PI3USB30532) +=3D pi3usb30532.o obj-$(CONFIG_TYPEC_MUX_INTEL_PMC) +=3D intel_pmc_mux.o obj-$(CONFIG_TYPEC_MUX_IT5205) +=3D it5205.o obj-$(CONFIG_TYPEC_MUX_NB7VPQ904M) +=3D nb7vpq904m.o +obj-$(CONFIG_TYPEC_MUX_PS8830) +=3D ps8830.o obj-$(CONFIG_TYPEC_MUX_PTN36502) +=3D ptn36502.o obj-$(CONFIG_TYPEC_MUX_WCD939X_USBSS) +=3D wcd939x-usbss.o diff --git a/drivers/usb/typec/mux/ps8830.c b/drivers/usb/typec/mux/ps8830.c new file mode 100644 index 0000000000000000000000000000000000000000..df83b2f3b562aec3794a27ca643= 325898c45c6ae --- /dev/null +++ b/drivers/usb/typec/mux/ps8830.c @@ -0,0 +1,423 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Parade PS8830 usb retimer driver + * + * Copyright (C) 2024 Linaro Ltd. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +struct ps8830_retimer { + struct i2c_client *client; + struct gpio_desc *reset_gpio; + struct regmap *regmap; + struct typec_switch_dev *sw; + struct typec_retimer *retimer; + struct clk *xo_clk; + struct regulator *vdd_supply; + struct regulator *vdd33_supply; + struct regulator *vdd33_cap_supply; + struct regulator *vddat_supply; + struct regulator *vddar_supply; + struct regulator *vddio_supply; + + struct typec_switch *typec_switch; + struct typec_mux *typec_mux; + + struct mutex lock; /* protect non-concurrent retimer & switch */ + + enum typec_orientation orientation; + unsigned long mode; + unsigned int svid; +}; + +static void ps8830_write(struct ps8830_retimer *retimer, int cfg0, int cfg= 1, int cfg2) +{ + regmap_write(retimer->regmap, 0x0, cfg0); + regmap_write(retimer->regmap, 0x1, cfg1); + regmap_write(retimer->regmap, 0x2, cfg2); +} + +static void ps8830_configure(struct ps8830_retimer *retimer, int cfg0, int= cfg1, int cfg2) +{ + /* Write safe-mode config before switching to new config */ + ps8830_write(retimer, 0x1, 0x0, 0x0); + + ps8830_write(retimer, cfg0, cfg1, cfg2); +} + +static int ps8380_set(struct ps8830_retimer *retimer) +{ + int cfg0 =3D 0x00; + int cfg1 =3D 0x00; + int cfg2 =3D 0x00; + + if (retimer->orientation =3D=3D TYPEC_ORIENTATION_NONE || + retimer->mode =3D=3D TYPEC_STATE_SAFE) { + ps8830_write(retimer, 0x1, 0x0, 0x0); + return 0; + } + + if (retimer->mode !=3D TYPEC_STATE_USB && retimer->svid !=3D USB_TYPEC_DP= _SID) + return -EINVAL; + + if (retimer->orientation =3D=3D TYPEC_ORIENTATION_NORMAL) + cfg0 =3D 0x01; + else + cfg0 =3D 0x03; + + switch (retimer->mode) { + case TYPEC_STATE_USB: + cfg0 |=3D 0x20; + break; + + case TYPEC_DP_STATE_C: + cfg1 =3D 0x85; + break; + + case TYPEC_DP_STATE_D: + cfg0 |=3D 0x20; + cfg1 =3D 0x85; + break; + + case TYPEC_DP_STATE_E: + cfg1 =3D 0x81; + break; + + default: + return -EOPNOTSUPP; + } + + ps8830_configure(retimer, cfg0, cfg1, cfg2); + + return 0; +} + +static int ps8830_sw_set(struct typec_switch_dev *sw, + enum typec_orientation orientation) +{ + struct ps8830_retimer *retimer =3D typec_switch_get_drvdata(sw); + int ret =3D 0; + + ret =3D typec_switch_set(retimer->typec_switch, orientation); + if (ret) + return ret; + + mutex_lock(&retimer->lock); + + if (retimer->orientation !=3D orientation) { + retimer->orientation =3D orientation; + + ret =3D ps8380_set(retimer); + } + + mutex_unlock(&retimer->lock); + + return ret; +} + +static int ps8830_retimer_set(struct typec_retimer *rtmr, + struct typec_retimer_state *state) +{ + struct ps8830_retimer *retimer =3D typec_retimer_get_drvdata(rtmr); + struct typec_mux_state mux_state; + int ret =3D 0; + + mutex_lock(&retimer->lock); + + if (state->mode !=3D retimer->mode) { + retimer->mode =3D state->mode; + + if (state->alt) + retimer->svid =3D state->alt->svid; + else + retimer->svid =3D 0; // No SVID + + ret =3D ps8380_set(retimer); + } + + mutex_unlock(&retimer->lock); + + if (ret) + return ret; + + mux_state.alt =3D state->alt; + mux_state.data =3D state->data; + mux_state.mode =3D state->mode; + + return typec_mux_set(retimer->typec_mux, &mux_state); +} + +static int ps8830_enable_vregs(struct ps8830_retimer *retimer) +{ + struct device *dev =3D &retimer->client->dev; + int ret; + + ret =3D regulator_enable(retimer->vdd33_supply); + if (ret) { + dev_err(dev, "cannot enable VDD 3.3V regulator: %d\n", ret); + return ret; + } + + ret =3D regulator_enable(retimer->vdd33_cap_supply); + if (ret) { + dev_err(dev, "cannot enable VDD 3.3V CAP regulator: %d\n", ret); + goto err_vdd33_disable; + } + + usleep_range(4000, 10000); + + ret =3D regulator_enable(retimer->vdd_supply); + if (ret) { + dev_err(dev, "cannot enable VDD regulator: %d\n", ret); + goto err_vdd33_cap_disable; + } + + ret =3D regulator_enable(retimer->vddar_supply); + if (ret) { + dev_err(dev, "cannot enable VDD AR regulator: %d\n", ret); + goto err_vdd_disable; + } + + ret =3D regulator_enable(retimer->vddat_supply); + if (ret) { + dev_err(dev, "cannot enable VDD AT regulator: %d\n", ret); + goto err_vddar_disable; + } + + ret =3D regulator_enable(retimer->vddio_supply); + if (ret) { + dev_err(dev, "cannot enable VDD IO regulator: %d\n", ret); + goto err_vddat_disable; + } + + return 0; + +err_vddat_disable: + regulator_disable(retimer->vddat_supply); +err_vddar_disable: + regulator_disable(retimer->vddar_supply); +err_vdd_disable: + regulator_disable(retimer->vdd_supply); +err_vdd33_cap_disable: + regulator_disable(retimer->vdd33_cap_supply); +err_vdd33_disable: + regulator_disable(retimer->vdd33_supply); + + return ret; +} + +static int ps8830_get_vregs(struct ps8830_retimer *retimer) +{ + struct device *dev =3D &retimer->client->dev; + + retimer->vdd_supply =3D devm_regulator_get(dev, "vdd"); + if (IS_ERR(retimer->vdd_supply)) + return dev_err_probe(dev, PTR_ERR(retimer->vdd_supply), + "failed to get VDD\n"); + + retimer->vdd33_supply =3D devm_regulator_get(dev, "vdd33"); + if (IS_ERR(retimer->vdd33_supply)) + return dev_err_probe(dev, PTR_ERR(retimer->vdd33_supply), + "failed to get VDD 3.3V\n"); + + retimer->vdd33_cap_supply =3D devm_regulator_get(dev, "vdd33-cap"); + if (IS_ERR(retimer->vdd33_cap_supply)) + return dev_err_probe(dev, PTR_ERR(retimer->vdd33_cap_supply), + "failed to get VDD CAP 3.3V\n"); + + retimer->vddat_supply =3D devm_regulator_get(dev, "vddat"); + if (IS_ERR(retimer->vddat_supply)) + return dev_err_probe(dev, PTR_ERR(retimer->vddat_supply), + "failed to get VDD AT\n"); + + retimer->vddar_supply =3D devm_regulator_get(dev, "vddar"); + if (IS_ERR(retimer->vddar_supply)) + return dev_err_probe(dev, PTR_ERR(retimer->vddar_supply), + "failed to get VDD AR\n"); + + retimer->vddio_supply =3D devm_regulator_get(dev, "vddio"); + if (IS_ERR(retimer->vddio_supply)) + return dev_err_probe(dev, PTR_ERR(retimer->vddio_supply), + "failed to get VDD IO\n"); + + return 0; +} + +static const struct regmap_config ps8830_retimer_regmap =3D { + .max_register =3D 0x1f, + .reg_bits =3D 8, + .val_bits =3D 8, + .cache_type =3D REGCACHE_FLAT, +}; + +static int ps8830_retimer_probe(struct i2c_client *client) +{ + struct device *dev =3D &client->dev; + struct typec_switch_desc sw_desc =3D { }; + struct typec_retimer_desc rtmr_desc =3D { }; + struct ps8830_retimer *retimer; + bool skip_reset =3D false; + int ret; + + retimer =3D devm_kzalloc(dev, sizeof(*retimer), GFP_KERNEL); + if (!retimer) + return -ENOMEM; + + retimer->client =3D client; + + mutex_init(&retimer->lock); + + if (of_property_read_bool(dev->of_node, "ps8830,boot-on")) + skip_reset =3D true; + + retimer->regmap =3D devm_regmap_init_i2c(client, &ps8830_retimer_regmap); + if (IS_ERR(retimer->regmap)) { + ret =3D PTR_ERR(retimer->regmap); + dev_err(dev, "failed to allocate register map: %d\n", ret); + return ret; + } + + ret =3D ps8830_get_vregs(retimer); + if (ret) + return ret; + + retimer->xo_clk =3D devm_clk_get(dev, "xo"); + if (IS_ERR(retimer->xo_clk)) + return dev_err_probe(dev, PTR_ERR(retimer->xo_clk), + "failed to get xo clock\n"); + + retimer->reset_gpio =3D devm_gpiod_get(dev, "reset", + skip_reset ? GPIOD_OUT_LOW : GPIOD_OUT_HIGH); + if (IS_ERR(retimer->reset_gpio)) + return dev_err_probe(dev, PTR_ERR(retimer->reset_gpio), + "failed to get reset gpio\n"); + + retimer->typec_switch =3D fwnode_typec_switch_get(dev->fwnode); + if (IS_ERR(retimer->typec_switch)) + return dev_err_probe(dev, PTR_ERR(retimer->typec_switch), + "failed to acquire orientation-switch\n"); + + retimer->typec_mux =3D fwnode_typec_mux_get(dev->fwnode); + if (IS_ERR(retimer->typec_mux)) { + ret =3D dev_err_probe(dev, PTR_ERR(retimer->typec_mux), + "failed to acquire mode-mux\n"); + goto err_switch_put; + } + + sw_desc.drvdata =3D retimer; + sw_desc.fwnode =3D dev_fwnode(dev); + sw_desc.set =3D ps8830_sw_set; + + ret =3D drm_aux_bridge_register(dev); + if (ret) + goto err_mux_put; + + retimer->sw =3D typec_switch_register(dev, &sw_desc); + if (IS_ERR(retimer->sw)) { + ret =3D PTR_ERR(retimer->sw); + dev_err(dev, "failed to register typec switch: %d\n", ret); + goto err_aux_bridge_unregister; + } + + rtmr_desc.drvdata =3D retimer; + rtmr_desc.fwnode =3D dev_fwnode(dev); + rtmr_desc.set =3D ps8830_retimer_set; + + retimer->retimer =3D typec_retimer_register(dev, &rtmr_desc); + if (IS_ERR(retimer->retimer)) { + ret =3D PTR_ERR(retimer->retimer); + dev_err(dev, "failed to register typec retimer: %d\n", ret); + goto err_switch_unregister; + } + + ret =3D clk_prepare_enable(retimer->xo_clk); + if (ret) { + dev_err(dev, "failed to enable XO: %d\n", ret); + goto err_retimer_unregister; + } + + ret =3D ps8830_enable_vregs(retimer); + if (ret) + goto err_clk_disable; + + /* delay needed as per datasheet */ + usleep_range(4000, 14000); + + if (!skip_reset) + gpiod_set_value(retimer->reset_gpio, 0); + + return 0; + +err_clk_disable: + clk_disable_unprepare(retimer->xo_clk); +err_retimer_unregister: + typec_retimer_unregister(retimer->retimer); +err_switch_unregister: + typec_switch_unregister(retimer->sw); +err_aux_bridge_unregister: + if (!skip_reset) + gpiod_set_value(retimer->reset_gpio, 1); + + clk_disable_unprepare(retimer->xo_clk); +err_mux_put: + typec_mux_put(retimer->typec_mux); +err_switch_put: + typec_switch_put(retimer->typec_switch); + + return ret; +} + +static void ps8830_retimer_remove(struct i2c_client *client) +{ + struct ps8830_retimer *retimer =3D i2c_get_clientdata(client); + + typec_retimer_unregister(retimer->retimer); + typec_switch_unregister(retimer->sw); + + gpiod_set_value(retimer->reset_gpio, 1); + + regulator_disable(retimer->vddio_supply); + regulator_disable(retimer->vddat_supply); + regulator_disable(retimer->vddar_supply); + regulator_disable(retimer->vdd_supply); + regulator_disable(retimer->vdd33_cap_supply); + regulator_disable(retimer->vdd33_supply); + + clk_disable_unprepare(retimer->xo_clk); + + typec_mux_put(retimer->typec_mux); + typec_switch_put(retimer->typec_switch); +} + +static const struct of_device_id ps8830_retimer_of_table[] =3D { + { .compatible =3D "parade,ps8830" }, + { } +}; +MODULE_DEVICE_TABLE(of, ps8830_retimer_of_table); + +static struct i2c_driver ps8830_retimer_driver =3D { + .driver =3D { + .name =3D "ps8830_retimer", + .of_match_table =3D ps8830_retimer_of_table, + }, + .probe =3D ps8830_retimer_probe, + .remove =3D ps8830_retimer_remove, +}; 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charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20241022-x1e80100-ps8830-v3-3-68a95f351e99@linaro.org> References: <20241022-x1e80100-ps8830-v3-0-68a95f351e99@linaro.org> In-Reply-To: <20241022-x1e80100-ps8830-v3-0-68a95f351e99@linaro.org> To: Heikki Krogerus , Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, Bjorn Andersson , Konrad Dybcio , Rajendra Nayak , Sibi Sankar , Johan Hovold , Dmitry Baryshkov , Trilok Soni , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, Abel Vesa X-Mailer: b4 0.15-dev-dedf8 X-Developer-Signature: v=1; a=openpgp-sha256; l=11777; i=abel.vesa@linaro.org; h=from:subject:message-id; bh=xuTURflIghGRLgyG1fByzlO19gUXaXG+FonMytFjuyM=; b=owEBbQKS/ZANAwAKARtfRMkAlRVWAcsmYgBnF338bgKwU/mq+9Ty1Ta9ZwhE6qFnpFrDkNEcs kWqHf+eCKWJAjMEAAEKAB0WIQRO8+4RTnqPKsqn0bgbX0TJAJUVVgUCZxd9/AAKCRAbX0TJAJUV Vgn3D/90W32L79grzbLrkPp9uu0p1udGXebQ+V4BMWGAj4UQ6q2vZX32lhYq0b9jOz2jHFzkrPR 8ngpq7tdYF/RZK5xAg88qbM7LJQcOVQR7jnJLeHwLC7wUwqe5RNlr9p4mpwlhLvKEKY58oZmp/n WrzYLOK+QEhSpB1jQY/pMzBmi2seiX9luBe8TJHf+Bq5RiZs6QBGbrDD4lpfsHSz18gq48AxjKe mMCMUd3NeOtWy2g91TtLagRv7+fAt+XGvyNLNJ2o0XraWCgwFabiVEnU1ywccv7dale7s83ZQnQ PDwnIqu7kAdC1r6GncdHe9APAQAUld8HOej2FXIN6WAcDN3p52b/QnJrO4593Wkp6Yd1n0Kfrbi 6t2n/rE94b7XhAub6miaSqcHUeJwunJKX2pdZSIpYdMHxB8bnd//sB344faRcuhH07AjwlH/cIo 3XprnpQ+WLBsMU+kEI/HSxcZal6j9rRJ6WHN4SUlqubJC4sNj39lYQiLa0b4PKsVPIddnfRNUnK acZdY0pyN3GpTRrkfGcGDmw4vxWMnJCA0P2ess0ROgzhABWCeipm2ADlHCDRZQiPqn22+KMEYY+ rDEdjSYC5lwcRrXYtPLBM7V+ppb6RUos9L/DR1/xM2pXqoMTeyoMDwNol4swFOKpipuMVDYUwYD wXZuTtzum7sLsZQ== X-Developer-Key: i=abel.vesa@linaro.org; a=openpgp; fpr=6AFF162D57F4223A8770EF5AF7BF214136F41FAE Add nodes for all 3 Parade PS8830 Type-C retimers found on Qualcomm X Elite CRD board, along with all of their voltage regulators. These retimers sit between the Type-C connectors and the PHYs, so describe the pmic glink graph accordingly. On this board, these retimers might be left enabled and configured by the bootloader, so make sure the retimers don't reset their configuration on driver probe. Signed-off-by: Abel Vesa --- arch/arm64/boot/dts/qcom/x1e80100-crd.dts | 448 ++++++++++++++++++++++++++= +++- 1 file changed, 442 insertions(+), 6 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/x1e80100-crd.dts b/arch/arm64/boot/dt= s/qcom/x1e80100-crd.dts index f5f2659690915f9ba50d15a27c54e3c0f504a14b..7cc45a5cd7eb7e70915d04ea7e1= 81b56f693f768 100644 --- a/arch/arm64/boot/dts/qcom/x1e80100-crd.dts +++ b/arch/arm64/boot/dts/qcom/x1e80100-crd.dts @@ -99,7 +99,15 @@ port@1 { reg =3D <1>; =20 pmic_glink_ss0_ss_in: endpoint { - remote-endpoint =3D <&usb_1_ss0_qmpphy_out>; + remote-endpoint =3D <&retimer_ss0_ss_out>; + }; + }; + + port@2 { + reg =3D <2>; + + pmic_glink_ss0_con_sbu_in: endpoint { + remote-endpoint =3D <&retimer_ss0_con_sbu_out>; }; }; }; @@ -128,7 +136,15 @@ port@1 { reg =3D <1>; =20 pmic_glink_ss1_ss_in: endpoint { - remote-endpoint =3D <&usb_1_ss1_qmpphy_out>; + remote-endpoint =3D <&retimer_ss1_ss_out>; + }; + }; + + port@2 { + reg =3D <2>; + + pmic_glink_ss1_con_sbu_in: endpoint { + remote-endpoint =3D <&retimer_ss1_con_sbu_out>; }; }; }; @@ -157,7 +173,15 @@ port@1 { reg =3D <1>; =20 pmic_glink_ss2_ss_in: endpoint { - remote-endpoint =3D <&usb_1_ss2_qmpphy_out>; + remote-endpoint =3D <&retimer_ss2_ss_out>; + }; + }; + + port@2 { + reg =3D <2>; + + pmic_glink_ss2_con_sbu_in: endpoint { + remote-endpoint =3D <&retimer_ss2_con_sbu_out>; }; }; }; @@ -291,6 +315,150 @@ vreg_nvme: regulator-nvme { pinctrl-0 =3D <&nvme_reg_en>; }; =20 + vreg_rtmr0_1p15: regulator-rtmr0-1p15 { + compatible =3D "regulator-fixed"; + + regulator-name =3D "VREG_RTMR0_1P15"; + regulator-min-microvolt =3D <1150000>; + regulator-max-microvolt =3D <1150000>; + + gpio =3D <&pmc8380_5_gpios 8 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-0 =3D <&rtmr0_1p15_reg_en>; + pinctrl-names =3D "default"; + + regulator-boot-on; + }; + + vreg_rtmr0_1p8: regulator-rtmr0-1p8 { + compatible =3D "regulator-fixed"; + + regulator-name =3D "VREG_RTMR0_1P8"; + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <1800000>; + + gpio =3D <&pm8550ve_9_gpios 8 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-0 =3D <&rtmr0_1p8_reg_en>; + pinctrl-names =3D "default"; + + regulator-boot-on; + }; + + vreg_rtmr0_3p3: regulator-rtmr0-3p3 { + compatible =3D "regulator-fixed"; + + regulator-name =3D "VREG_RTMR0_3P3"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + + gpio =3D <&pm8550_gpios 11 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-0 =3D <&rtmr0_3p3_reg_en>; + pinctrl-names =3D "default"; + + regulator-boot-on; + }; + + vreg_rtmr1_1p15: regulator-rtmr1-1p15 { + compatible =3D "regulator-fixed"; + + regulator-name =3D "VREG_RTMR1_1P15"; + regulator-min-microvolt =3D <1150000>; + regulator-max-microvolt =3D <1150000>; + + gpio =3D <&tlmm 188 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-0 =3D <&rtmr1_1p15_reg_en>; + pinctrl-names =3D "default"; + + regulator-boot-on; + }; + + vreg_rtmr1_1p8: regulator-rtmr1-1p8 { + compatible =3D "regulator-fixed"; + + regulator-name =3D "VREG_RTMR1_1P8"; + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <1800000>; + + gpio =3D <&tlmm 175 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-0 =3D <&rtmr1_1p8_reg_en>; + pinctrl-names =3D "default"; + + regulator-boot-on; + }; + + vreg_rtmr1_3p3: regulator-rtmr1-3p3 { + compatible =3D "regulator-fixed"; + + regulator-name =3D "VREG_RTMR1_3P3"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + + gpio =3D <&tlmm 186 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-0 =3D <&rtmr1_3p3_reg_en>; + pinctrl-names =3D "default"; + + regulator-boot-on; + }; + + vreg_rtmr2_1p15: regulator-rtmr2-1p15 { + compatible =3D "regulator-fixed"; + + regulator-name =3D "VREG_RTMR2_1P15"; + regulator-min-microvolt =3D <1150000>; + regulator-max-microvolt =3D <1150000>; + + gpio =3D <&tlmm 189 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-0 =3D <&rtmr2_1p15_reg_en>; + pinctrl-names =3D "default"; + + regulator-boot-on; + }; + + vreg_rtmr2_1p8: regulator-rtmr2-1p8 { + compatible =3D "regulator-fixed"; + + regulator-name =3D "VREG_RTMR2_1P8"; + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <1800000>; + + gpio =3D <&tlmm 126 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-0 =3D <&rtmr2_1p8_reg_en>; + pinctrl-names =3D "default"; + + regulator-boot-on; + }; + + vreg_rtmr2_3p3: regulator-rtmr2-3p3 { + compatible =3D "regulator-fixed"; + + regulator-name =3D "VREG_RTMR2_3P3"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + + gpio =3D <&tlmm 187 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-0 =3D <&rtmr2_3p3_reg_en>; + pinctrl-names =3D "default"; + + regulator-boot-on; + }; + vph_pwr: regulator-vph-pwr { compatible =3D "regulator-fixed"; =20 @@ -709,6 +877,187 @@ keyboard@3a { }; }; =20 +&i2c1 { + clock-frequency =3D <400000>; + + status =3D "okay"; + + typec-mux@8 { + compatible =3D "parade,ps8830"; + reg =3D <0x08>; + + clocks =3D <&rpmhcc RPMH_RF_CLK5>; + clock-names =3D "xo"; + + vdd-supply =3D <&vreg_rtmr2_1p15>; + vdd33-supply =3D <&vreg_rtmr2_3p3>; + vdd33-cap-supply =3D <&vreg_rtmr2_3p3>; + vddar-supply =3D <&vreg_rtmr2_1p15>; + vddat-supply =3D <&vreg_rtmr2_1p15>; + vddio-supply =3D <&vreg_rtmr2_1p8>; + + reset-gpios =3D <&tlmm 185 GPIO_ACTIVE_LOW>; + + pinctrl-0 =3D <&rtmr2_default>; + pinctrl-names =3D "default"; + + orientation-switch; + retimer-switch; + + ps8830,boot-on; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + + retimer_ss2_ss_out: endpoint { + remote-endpoint =3D <&pmic_glink_ss2_ss_in>; + }; + }; + + port@1 { + reg =3D <1>; + + retimer_ss2_ss_in: endpoint { + remote-endpoint =3D <&usb_1_ss2_qmpphy_out>; + }; + }; + + port@2 { + reg =3D <2>; + + retimer_ss2_con_sbu_out: endpoint { + remote-endpoint =3D <&pmic_glink_ss2_con_sbu_in>; + }; + }; + }; + }; +}; + +&i2c3 { + clock-frequency =3D <400000>; + + status =3D "okay"; + + typec-mux@8 { + compatible =3D "parade,ps8830"; + reg =3D <0x08>; + + clocks =3D <&rpmhcc RPMH_RF_CLK3>; + clock-names =3D "xo"; + + vdd-supply =3D <&vreg_rtmr0_1p15>; + vdd33-supply =3D <&vreg_rtmr0_3p3>; + vdd33-cap-supply =3D <&vreg_rtmr0_3p3>; + vddar-supply =3D <&vreg_rtmr0_1p15>; + vddat-supply =3D <&vreg_rtmr0_1p15>; + vddio-supply =3D <&vreg_rtmr0_1p8>; + + reset-gpios =3D <&pm8550_gpios 10 GPIO_ACTIVE_LOW>; + + pinctrl-0 =3D <&rtmr0_default>; + pinctrl-names =3D "default"; + + retimer-switch; + orientation-switch; + + ps8830,boot-on; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + + retimer_ss0_ss_out: endpoint { + remote-endpoint =3D <&pmic_glink_ss0_ss_in>; + }; + }; + + port@1 { + reg =3D <1>; + + retimer_ss0_ss_in: endpoint { + remote-endpoint =3D <&usb_1_ss0_qmpphy_out>; + }; + }; + + port@2 { + reg =3D <2>; + + retimer_ss0_con_sbu_out: endpoint { + remote-endpoint =3D <&pmic_glink_ss0_con_sbu_in>; + }; + }; + }; + }; +}; + +&i2c7 { + clock-frequency =3D <400000>; + + status =3D "okay"; + + typec-mux@8 { + compatible =3D "parade,ps8830"; + reg =3D <0x8>; + + clocks =3D <&rpmhcc RPMH_RF_CLK4>; + clock-names =3D "xo"; + + vdd-supply =3D <&vreg_rtmr1_1p15>; + vdd33-supply =3D <&vreg_rtmr1_3p3>; + vdd33-cap-supply =3D <&vreg_rtmr1_3p3>; + vddar-supply =3D <&vreg_rtmr1_1p15>; + vddat-supply =3D <&vreg_rtmr1_1p15>; + vddio-supply =3D <&vreg_rtmr1_1p8>; + + reset-gpios =3D <&tlmm 176 GPIO_ACTIVE_LOW>; + + pinctrl-0 =3D <&rtmr1_default>; + pinctrl-names =3D "default"; + + retimer-switch; + orientation-switch; + + ps8830,boot-on; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + + retimer_ss1_ss_out: endpoint { + remote-endpoint =3D <&pmic_glink_ss1_ss_in>; + }; + }; + + port@1 { + reg =3D <1>; + + retimer_ss1_ss_in: endpoint { + remote-endpoint =3D <&usb_1_ss1_qmpphy_out>; + }; + }; + + port@2 { + reg =3D <2>; + + retimer_ss1_con_sbu_out: endpoint { + remote-endpoint =3D <&pmic_glink_ss1_con_sbu_in>; + }; + }; + + }; + }; +}; + &i2c8 { clock-frequency =3D <400000>; =20 @@ -854,6 +1203,37 @@ &pcie6a_phy { status =3D "okay"; }; =20 +&pm8550_gpios { + rtmr0_default: rtmr0-reset-n-active-state { + pins =3D "gpio10"; + function =3D "normal"; + power-source =3D <1>; /* 1.8V */ + }; + + rtmr0_3p3_reg_en: rtmr0-3p3-reg-en-state { + pins =3D "gpio11"; + function =3D "normal"; + power-source =3D <1>; /* 1.8V */ + }; +}; + +&pmc8380_5_gpios { + rtmr0_1p15_reg_en: rtmr0-1p15-reg-en-state { + pins =3D "gpio8"; + function =3D "normal"; + power-source =3D <1>; /* 1.8V */ + bias-disable; + }; +}; + +&pm8550ve_9_gpios { + rtmr0_1p8_reg_en: rtmr0-1p8-reg-en-state { + pins =3D "gpio8"; + function =3D "normal"; + power-source =3D <1>; /* 1.8V */ + }; +}; + &pmc8380_3_gpios { edp_bl_en: edp-bl-en-state { pins =3D "gpio4"; @@ -1093,6 +1473,62 @@ wake-n-pins { }; }; =20 + rtmr1_1p15_reg_en: rtmr1-1p15-reg-en-state { + pins =3D "gpio188"; + function =3D "gpio"; + drive-strength =3D <2>; + bias-disable; + }; + + rtmr1_1p8_reg_en: rtmr1-1p8-reg-en-state { + pins =3D "gpio175"; + function =3D "gpio"; + drive-strength =3D <2>; + bias-disable; + }; + + rtmr1_3p3_reg_en: rtmr1-3p3-reg-en-state { + pins =3D "gpio186"; + function =3D "gpio"; + drive-strength =3D <2>; + bias-disable; + }; + + rtmr1_default: rtmr1-reset-n-active-state { + pins =3D "gpio176"; + function =3D "gpio"; + drive-strength =3D <2>; + bias-disable; + }; + + rtmr2_1p15_reg_en: rtmr2-1p15-reg-en-state { + pins =3D "gpio189"; + function =3D "gpio"; + drive-strength =3D <2>; + bias-disable; + }; + + rtmr2_1p8_reg_en: rtmr2-1p8-reg-en-state { + pins =3D "gpio126"; + function =3D "gpio"; + drive-strength =3D <2>; + bias-disable; + }; + + rtmr2_3p3_reg_en: rtmr2-3p3-reg-en-state { + pins =3D "gpio187"; + function =3D "gpio"; + drive-strength =3D <2>; + bias-disable; + }; + + rtmr2_default: rtmr2-reset-n-active-state { + pins =3D "gpio185"; + function =3D "gpio"; + drive-strength =3D <2>; + bias-disable; + }; + tpad_default: tpad-default-state { pins =3D "gpio3"; function =3D "gpio"; @@ -1160,7 +1596,7 @@ &usb_1_ss0_dwc3_hs { }; =20 &usb_1_ss0_qmpphy_out { - remote-endpoint =3D <&pmic_glink_ss0_ss_in>; + remote-endpoint =3D <&retimer_ss0_ss_in>; }; =20 &usb_1_ss1_hsphy { @@ -1188,7 +1624,7 @@ &usb_1_ss1_dwc3_hs { }; 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Tue, 22 Oct 2024 03:27:17 -0700 (PDT) From: Abel Vesa Date: Tue, 22 Oct 2024 13:26:57 +0300 Subject: [PATCH v3 4/4] arm64: dts: qcom: x1e80100-crd: Enable external DP Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20241022-x1e80100-ps8830-v3-4-68a95f351e99@linaro.org> References: <20241022-x1e80100-ps8830-v3-0-68a95f351e99@linaro.org> In-Reply-To: <20241022-x1e80100-ps8830-v3-0-68a95f351e99@linaro.org> To: Heikki Krogerus , Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, Bjorn Andersson , Konrad Dybcio , Rajendra Nayak , Sibi Sankar , Johan Hovold , Dmitry Baryshkov , Trilok Soni , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, Abel Vesa X-Mailer: b4 0.15-dev-dedf8 X-Developer-Signature: v=1; a=openpgp-sha256; l=975; i=abel.vesa@linaro.org; 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Signed-off-by: Abel Vesa --- arch/arm64/boot/dts/qcom/x1e80100-crd.dts | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/x1e80100-crd.dts b/arch/arm64/boot/dt= s/qcom/x1e80100-crd.dts index 7cc45a5cd7eb7e70915d04ea7e181b56f693f768..db36e3e1a3660f3bcd7d7ddc828= 6e1ff5d00c94a 100644 --- a/arch/arm64/boot/dts/qcom/x1e80100-crd.dts +++ b/arch/arm64/boot/dts/qcom/x1e80100-crd.dts @@ -1105,6 +1105,30 @@ &mdss { status =3D "okay"; }; =20 +&mdss_dp0 { + status =3D "okay"; +}; + +&mdss_dp0_out { + data-lanes =3D <0 1>; +}; + +&mdss_dp1 { + status =3D "okay"; +}; + +&mdss_dp1_out { + data-lanes =3D <0 1>; +}; + +&mdss_dp2 { + status =3D "okay"; +}; + +&mdss_dp2_out { + data-lanes =3D <0 1>; +}; + &mdss_dp3 { compatible =3D "qcom,x1e80100-dp"; /delete-property/ #sound-dai-cells; --=20 2.34.1