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Tue, 24 Mar 2020 03:20:40 -0700 (PDT) From: Neil Armstrong To: kishon@ti.com, balbi@kernel.org, khilman@baylibre.com, martin.blumenstingl@googlemail.com Subject: [PATCH 02/13] usb: dwc3: meson-g12a: specify phy names in soc data Date: Tue, 24 Mar 2020 11:20:19 +0100 Message-Id: <20200324102030.31000-3-narmstrong@baylibre.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20200324102030.31000-1-narmstrong@baylibre.com> References: <20200324102030.31000-1-narmstrong@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200324_032042_403586_22AFBF30 X-CRM114-Status: GOOD ( 12.81 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:344 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-amlogic@lists.infradead.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Neil Armstrong Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org To handle the variable USB2 PHY counts on GXL and GXM SoCs, add the possible PHY names for each SoC in the compatible match data. Signed-off-by: Neil Armstrong Reviewed-by: Martin Blumenstingl Acked-by: Hanjie Lin --- drivers/usb/dwc3/dwc3-meson-g12a.c | 39 +++++++++++++++++++----------- 1 file changed, 25 insertions(+), 14 deletions(-) diff --git a/drivers/usb/dwc3/dwc3-meson-g12a.c b/drivers/usb/dwc3/dwc3-meson-g12a.c index 902553f39889..7ba5fb3d0e22 100644 --- a/drivers/usb/dwc3/dwc3-meson-g12a.c +++ b/drivers/usb/dwc3/dwc3-meson-g12a.c @@ -96,16 +96,8 @@ #define USB_R5_ID_DIG_TH_MASK GENMASK(15, 8) #define USB_R5_ID_DIG_CNT_MASK GENMASK(23, 16) -enum { - USB2_HOST_PHY = 0, - USB2_OTG_PHY, - USB3_HOST_PHY, - PHY_COUNT, -}; - -static const char *phy_names[PHY_COUNT] = { - "usb2-phy0", "usb2-phy1", "usb3-phy0", -}; +#define PHY_COUNT 3 +#define USB2_OTG_PHY 1 static struct clk_bulk_data meson_g12a_clocks[] = { { .id = NULL }, @@ -117,22 +109,36 @@ static struct clk_bulk_data meson_a1_clocks[] = { { .id = "xtal_usb_ctrl" }, }; +static const char *meson_g12a_phy_names[] = { + "usb2-phy0", "usb2-phy1", "usb3-phy0", +}; + +static const char *meson_a1_phy_names[] = { + "usb2-phy0", "usb2-phy1" +}; + struct dwc3_meson_g12a_drvdata { bool otg_switch_supported; struct clk_bulk_data *clks; int num_clks; + const char **phy_names; + int num_phys; }; static struct dwc3_meson_g12a_drvdata g12a_drvdata = { .otg_switch_supported = true, .clks = meson_g12a_clocks, .num_clks = ARRAY_SIZE(meson_g12a_clocks), + .phy_names = meson_g12a_phy_names, + .num_phys = ARRAY_SIZE(meson_g12a_phy_names), }; static struct dwc3_meson_g12a_drvdata a1_drvdata = { .otg_switch_supported = false, .clks = meson_a1_clocks, .num_clks = ARRAY_SIZE(meson_a1_clocks), + .phy_names = meson_a1_phy_names, + .num_phys = ARRAY_SIZE(meson_a1_phy_names), }; struct dwc3_meson_g12a { @@ -171,10 +177,13 @@ static int dwc3_meson_g12a_usb2_init(struct dwc3_meson_g12a *priv) else priv->otg_phy_mode = PHY_MODE_USB_HOST; - for (i = 0 ; i < USB3_HOST_PHY ; ++i) { + for (i = 0; i < priv->drvdata->num_phys; ++i) { if (!priv->phys[i]) continue; + if (!strstr(priv->drvdata->phy_names[i], "usb2")) + continue; + regmap_update_bits(priv->regmap, U2P_R0 + (U2P_REG_SIZE * i), U2P_R0_POWER_ON_RESET, U2P_R0_POWER_ON_RESET); @@ -284,17 +293,19 @@ static const struct regmap_config phy_meson_g12a_usb3_regmap_conf = { static int dwc3_meson_g12a_get_phys(struct dwc3_meson_g12a *priv) { + const char *phy_name; int i; - for (i = 0 ; i < PHY_COUNT ; ++i) { - priv->phys[i] = devm_phy_optional_get(priv->dev, phy_names[i]); + for (i = 0 ; i < priv->drvdata->num_phys ; ++i) { + phy_name = priv->drvdata->phy_names[i]; + priv->phys[i] = devm_phy_optional_get(priv->dev, phy_name); if (!priv->phys[i]) continue; if (IS_ERR(priv->phys[i])) return PTR_ERR(priv->phys[i]); - if (i == USB3_HOST_PHY) + if (strstr(phy_name, "usb3")) priv->usb3_ports++; else priv->usb2_ports++;