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Thu, 12 Aug 2021 13:42:00 -0700 (PDT) From: Peter Geis To: Kishon Vijay Abraham I , Vinod Koul , Heiko Stuebner Cc: Peter Geis , linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 4/8] phy: phy-rockchip-inno-usb2: support standalone phy nodes Date: Thu, 12 Aug 2021 16:41:12 -0400 Message-Id: <20210812204116.2303617-5-pgwipeout@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210812204116.2303617-1-pgwipeout@gmail.com> References: <20210812204116.2303617-1-pgwipeout@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210812_134202_145077_1A1D4436 X-CRM114-Status: GOOD ( 13.29 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org New Rockchip devices have the usb2 phy devices as standalone nodes instead of children of the grf node. Allow the driver to find the grf node from a phandle. Signed-off-by: Peter Geis --- drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c index 5d2916143df7..84a0c1d697da 100644 --- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c +++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c @@ -1081,12 +1081,19 @@ static int rockchip_usb2phy_probe(struct platform_device *pdev) return -EINVAL; } - if (!dev->parent || !dev->parent->of_node) - return -EINVAL; + if (!dev->parent || !dev->parent->of_node) { + rphy->grf = syscon_regmap_lookup_by_phandle(np, "rockchip,usbgrf"); + if (IS_ERR(rphy->grf)) { + dev_err(dev, "failed to locate usbgrf\n"); + return PTR_ERR(rphy->grf); + } + } - rphy->grf = syscon_node_to_regmap(dev->parent->of_node); - if (IS_ERR(rphy->grf)) - return PTR_ERR(rphy->grf); + else { + rphy->grf = syscon_node_to_regmap(dev->parent->of_node); + if (IS_ERR(rphy->grf)) + return PTR_ERR(rphy->grf); + } if (of_device_is_compatible(np, "rockchip,rv1108-usb2phy")) { rphy->usbgrf =