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02 Aug 2022 01:28:41 -0700 Received: by kuha.fi.intel.com (sSMTP sendmail emulation); Tue, 02 Aug 2022 11:28:40 +0300 Date: Tue, 2 Aug 2022 11:28:40 +0300 From: Heikki Krogerus To: Gene Chen Cc: linux@roeck-us.net, gregkh@linuxfoundation.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, gene_chen@richtek.com, cy_huang@richtek.com Subject: Re: [PATCH v3 5/7] usb: typec: tcpci_rt1711h: Add compatible id with rt1715 Message-ID: References: <20220801101447.86207-1-gene.chen.richtek@gmail.com> <20220801101447.86207-6-gene.chen.richtek@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220801101447.86207-6-gene.chen.richtek@gmail.com> X-Spam-Status: No, score=-4.9 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 01, 2022 at 06:14:45PM +0800, Gene Chen wrote: > From: Gene Chen > > Add compatible id with rt1715, and add initial setting for > specific support PD30 command. > > Signed-off-by: Gene Chen Acked-by: Heikki Krogerus > --- > drivers/usb/typec/tcpm/tcpci_rt1711h.c | 43 ++++++++++++++++++++------ > 1 file changed, 34 insertions(+), 9 deletions(-) > > diff --git a/drivers/usb/typec/tcpm/tcpci_rt1711h.c b/drivers/usb/typec/tcpm/tcpci_rt1711h.c > index 33d8ea95b7c1..da35dd3e8a59 100644 > --- a/drivers/usb/typec/tcpm/tcpci_rt1711h.c > +++ b/drivers/usb/typec/tcpm/tcpci_rt1711h.c > @@ -19,6 +19,8 @@ > > #define RT1711H_VID 0x29CF > #define RT1711H_PID 0x1711 > +#define RT1711H_DID 0x2171 > +#define RT1715_DID 0x2173 > > #define RT1711H_PHYCTRL1 0x80 > #define RT1711H_PHYCTRL2 0x81 > @@ -30,6 +32,7 @@ > (((ck300) << 7) | ((ship_off) << 5) | \ > ((auto_idle) << 3) | ((tout) & 0x07)) > #define RT1711H_AUTOIDLEEN BIT(3) > +#define RT1711H_ENEXTMSG BIT(4) > > #define RT1711H_RTCTRL11 0x9E > > @@ -48,6 +51,7 @@ struct rt1711h_chip { > struct device *dev; > struct regulator *vbus; > bool src_en; > + u16 did; > }; > > static int rt1711h_read16(struct rt1711h_chip *chip, unsigned int reg, u16 *val) > @@ -84,8 +88,9 @@ static struct rt1711h_chip *tdata_to_rt1711h(struct tcpci_data *tdata) > > static int rt1711h_init(struct tcpci *tcpci, struct tcpci_data *tdata) > { > - int ret; > struct rt1711h_chip *chip = tdata_to_rt1711h(tdata); > + struct regmap *regmap = chip->data.regmap; > + int ret; > > /* CK 300K from 320K, shipping off, auto_idle enable, tout = 32ms */ > ret = rt1711h_write8(chip, RT1711H_RTCTRL8, > @@ -93,6 +98,14 @@ static int rt1711h_init(struct tcpci *tcpci, struct tcpci_data *tdata) > if (ret < 0) > return ret; > > + /* Enable PD30 extended message for RT1715 */ > + if (chip->did == RT1715_DID) { > + ret = regmap_update_bits(regmap, RT1711H_RTCTRL8, > + RT1711H_ENEXTMSG, RT1711H_ENEXTMSG); > + if (ret < 0) > + return ret; > + } > + > /* I2C reset : (val + 1) * 12.5ms */ > ret = rt1711h_write8(chip, RT1711H_RTCTRL11, > RT1711H_RTCTRL11_SET(1, 0x0F)); > @@ -230,7 +243,7 @@ static int rt1711h_sw_reset(struct rt1711h_chip *chip) > return 0; > } > > -static int rt1711h_check_revision(struct i2c_client *i2c) > +static int rt1711h_check_revision(struct i2c_client *i2c, struct rt1711h_chip *chip) > { > int ret; > > @@ -248,7 +261,15 @@ static int rt1711h_check_revision(struct i2c_client *i2c) > dev_err(&i2c->dev, "pid is not correct, 0x%04x\n", ret); > return -ENODEV; > } > - return 0; > + ret = i2c_smbus_read_word_data(i2c, TCPC_BCD_DEV); > + if (ret < 0) > + return ret; > + if (ret != chip->did) { > + dev_err(&i2c->dev, "did is not correct, 0x%04x\n", ret); > + return -ENODEV; > + } > + dev_dbg(&i2c->dev, "did is 0x%04x\n", ret); > + return ret; > } > > static int rt1711h_probe(struct i2c_client *client, > @@ -257,16 +278,18 @@ static int rt1711h_probe(struct i2c_client *client, > int ret; > struct rt1711h_chip *chip; > > - ret = rt1711h_check_revision(client); > + chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL); > + if (!chip) > + return -ENOMEM; > + > + chip->did = (size_t)device_get_match_data(&client->dev); > + > + ret = rt1711h_check_revision(client, chip); > if (ret < 0) { > dev_err(&client->dev, "check vid/pid fail\n"); > return ret; > } > > - chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL); > - if (!chip) > - return -ENOMEM; > - > chip->data.regmap = devm_regmap_init_i2c(client, > &rt1711h_regmap_config); > if (IS_ERR(chip->data.regmap)) > @@ -317,13 +340,15 @@ static int rt1711h_remove(struct i2c_client *client) > > static const struct i2c_device_id rt1711h_id[] = { > { "rt1711h", 0 }, > + { "rt1715", 0 }, > { } > }; > MODULE_DEVICE_TABLE(i2c, rt1711h_id); > > #ifdef CONFIG_OF > static const struct of_device_id rt1711h_of_match[] = { > - { .compatible = "richtek,rt1711h", }, > + { .compatible = "richtek,rt1711h", .data = (void *)RT1711H_DID }, > + { .compatible = "richtek,rt1715", .data = (void *)RT1715_DID }, > {}, > }; > MODULE_DEVICE_TABLE(of, rt1711h_of_match); > -- > 2.25.1 -- heikki