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Sun, 01 Mar 2026 14:03:23 -0800 (PST) From: Yauhen Kharuzhy Date: Mon, 02 Mar 2026 00:03:14 +0200 Subject: [PATCH v2 1/2] platform: x86-android-tablets: lenovo: Add Yoga Book haptics entries 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: <20260302-x86-tablets-yogabook-v2-1-061768d5c9e7@gmail.com> References: <20260302-x86-tablets-yogabook-v2-0-061768d5c9e7@gmail.com> In-Reply-To: <20260302-x86-tablets-yogabook-v2-0-061768d5c9e7@gmail.com> To: Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= Cc: platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, Yauhen Kharuzhy X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1772402602; l=4650; i=jekhor@gmail.com; s=20260301; h=from:subject:message-id; bh=VCylgZQncSyqoN7C8ODKltxOZWN/lxoFBdaBnVHoaF4=; b=y6G0p/4K216nvriq4dcLopQcMSa2vhPdx8VBYjiZjyPMWt4zX2JsrzAjrik2wZ90PONKydrty l6z+2S1y2ksCcnw4p2OU13Hz5h4ZtBmnd6tQVtuPpIPOnk4QxDh7qqJ X-Developer-Key: i=jekhor@gmail.com; a=ed25519; pk=C/csaZJs7UBNDgeJcUAmPu4ntqNeaZ3BKfBQiH8tuGc= Add drv2604l i2c_board_info for drv2604l haptics drivers present in Lenovo Yoga Book YB1-X90 and YB1-X91. Set properties required for device initialization and self-calibration. Signed-off-by: Yauhen Kharuzhy --- drivers/platform/x86/x86-android-tablets/lenovo.c | 92 +++++++++++++++++++= ++++ 1 file changed, 92 insertions(+) diff --git a/drivers/platform/x86/x86-android-tablets/lenovo.c b/drivers/pl= atform/x86/x86-android-tablets/lenovo.c index 8d825e0b4661..bc10f00da8c6 100644 --- a/drivers/platform/x86/x86-android-tablets/lenovo.c +++ b/drivers/platform/x86/x86-android-tablets/lenovo.c @@ -10,6 +10,8 @@ =20 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt =20 +#include +#include #include #include #include @@ -114,6 +116,32 @@ static const struct software_node lenovo_yb1_x90_hidee= p_ts_node =3D { .properties =3D lenovo_yb1_x90_hideep_ts_props, }; =20 +static const struct property_entry lenovo_yb1_x9x_drv2604l_0_props[] =3D { + PROPERTY_ENTRY_U32("vib-rated-mv", 1500), + PROPERTY_ENTRY_U32("vib-overdrive-mv", 2100), + PROPERTY_ENTRY_U32("mode", 0), /* LRA */ + PROPERTY_ENTRY_U32("library-sel", 0), /* DRV260X_LIB_EMPTY */ + PROPERTY_ENTRY_GPIO("enable-gpios", &cherryview_gpiochip_nodes[0], 79, GP= IO_ACTIVE_HIGH), + {} +}; + +static const struct software_node lenovo_yb1_x9x_drv2604l_0_node =3D { + .properties =3D lenovo_yb1_x9x_drv2604l_0_props, +}; + +static const struct property_entry lenovo_yb1_x9x_drv2604l_1_props[] =3D { + PROPERTY_ENTRY_U32("vib-rated-mv", 1500), + PROPERTY_ENTRY_U32("vib-overdrive-mv", 2100), + PROPERTY_ENTRY_U32("mode", 0), /* LRA */ + PROPERTY_ENTRY_U32("library-sel", 0), /* DRV260X_LIB_EMPTY */ + PROPERTY_ENTRY_GPIO("enable-gpios", &cherryview_gpiochip_nodes[1], 47, GP= IO_ACTIVE_HIGH), + {} +}; + +static const struct software_node lenovo_yb1_x9x_drv2604l_1_node =3D { + .properties =3D lenovo_yb1_x9x_drv2604l_1_props, +}; + static const struct x86_i2c_client_info lenovo_yb1_x90_i2c_clients[] __ini= tconst =3D { { /* BQ27542 fuel-gauge */ @@ -159,6 +187,24 @@ static const struct x86_i2c_client_info lenovo_yb1_x90= _i2c_clients[] __initconst .polarity =3D ACPI_ACTIVE_LOW, .con_id =3D "wacom_irq", }, + }, { + /* Keyboard haptics driver */ + .board_info =3D { + .type =3D "drv2604l", + .addr =3D 0x5a, + .dev_name =3D "drv2604l.0", + .swnode =3D &lenovo_yb1_x9x_drv2604l_0_node, + }, + .adapter_path =3D "\\_SB_.PCI0.I2C1", + }, { + /* Keyboard haptics driver */ + .board_info =3D { + .type =3D "drv2604l", + .addr =3D 0x5a, + .dev_name =3D "drv2604l.1", + .swnode =3D &lenovo_yb1_x9x_drv2604l_1_node, + }, + .adapter_path =3D "\\_SB_.PCI0.I2C4", }, { /* LP8557 Backlight controller */ .board_info =3D { @@ -283,9 +329,55 @@ static const struct x86_i2c_client_info lenovo_yogaboo= k_x91_i2c_clients[] __init }, }; =20 +#define YB1_X91_DRV2604L_0_DEVICE "i2c-DRV2604:00" +#define YB1_X91_DRV2604L_1_DEVICE "i2c-DRV2604:01" + +static int __init lenovo_yb1_x91_init(struct device *dev) +{ + struct device *drv2604l_0_dev __free(put_device) =3D NULL; + struct device *drv2604l_1_dev __free(put_device) =3D NULL; + int ret =3D 0; + + drv2604l_0_dev =3D bus_find_device_by_name(&i2c_bus_type, NULL, + YB1_X91_DRV2604L_0_DEVICE); + if (!drv2604l_0_dev) { + pr_err("error: cannot find %s device\n", + YB1_X91_DRV2604L_0_DEVICE); + return -ENODEV; + } + + ret =3D device_create_managed_software_node(drv2604l_0_dev, + lenovo_yb1_x9x_drv2604l_0_props, NULL); + if (ret) { + pr_err("error: cannot create software node for %s: %d\n", + YB1_X91_DRV2604L_0_DEVICE, ret); + return ret; + } + + drv2604l_1_dev =3D bus_find_device_by_name(&i2c_bus_type, NULL, + YB1_X91_DRV2604L_1_DEVICE); + if (!drv2604l_1_dev) { + pr_err("error: cannot find %s device\n", + YB1_X91_DRV2604L_1_DEVICE); + return -ENODEV; + } + + ret =3D device_create_managed_software_node(drv2604l_1_dev, + lenovo_yb1_x9x_drv2604l_1_props, NULL); + if (ret) { + pr_err("error: cannot create software node for %s\n", + YB1_X91_DRV2604L_1_DEVICE); + return ret; + } + + return 0; +} + const struct x86_dev_info lenovo_yogabook_x91_info __initconst =3D { .i2c_client_info =3D lenovo_yogabook_x91_i2c_clients, .i2c_client_count =3D ARRAY_SIZE(lenovo_yogabook_x91_i2c_clients), + .gpiochip_type =3D X86_GPIOCHIP_CHERRYVIEW, + .init =3D lenovo_yb1_x91_init, }; =20 /* Lenovo Yoga Tablet 2 1050F/L's Android factory image has everything har= dcoded */ --=20 2.51.0