From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kishon Vijay Abraham I Subject: [PATCH v4 7/7] usb: dwc3: core: add dt support for dwc3 core Date: Mon, 15 Oct 2012 18:58:00 +0530 Message-ID: <1350307680-24938-8-git-send-email-kishon@ti.com> References: <1350307680-24938-1-git-send-email-kishon@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1350307680-24938-1-git-send-email-kishon-l0cyMroinI0@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Sender: "devicetree-discuss" To: grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org, rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org, rob-VoJi6FS/r0vR7s880joybQ@public.gmane.org, balbi-l0cyMroinI0@public.gmane.org, gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, kishon-l0cyMroinI0@public.gmane.org, devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: sshtylyov-Igf4POYTYCDQT0dZR+AlfA@public.gmane.org List-Id: devicetree@vger.kernel.org Added dwc3 support for dwc3 core and update the documentation with device tree binding information. Signed-off-by: Kishon Vijay Abraham I --- Documentation/devicetree/bindings/usb/dwc3.txt | 23 +++++++++++++++++++++++ drivers/usb/dwc3/core.c | 14 ++++++++++++-- 2 files changed, 35 insertions(+), 2 deletions(-) create mode 100644 Documentation/devicetree/bindings/usb/dwc3.txt diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt new file mode 100644 index 0000000..9ec9316 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/dwc3.txt @@ -0,0 +1,23 @@ +synopsys DWC3 CORE + +DWC3- USB3 CONTROLLER + +Required properties: + - compatible: must be "synopsys,dwc3" + - reg : Address and length of the register set for the device + - interrupts: Interrupts used by the dwc3 controller. + - interrupt-parent: the phandle for the interrupt controller that + services interrupts for this device. + +Optional properties: + - tx-fifo-resize: determines if the FIFO *has* to be reallocated. + +This is usually a subnode to DWC3 glue to which it is connected. + +dwc3@4a030000 { + compatible = "synopsys,dwc3"; + reg = <0x4a030000 0xcfff>; + interrupts = <0 92 4> + interrupt-parent = <&gic> + tx-fifo-resize; +}; diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index b923183..c76d8e9 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -491,8 +491,7 @@ static int __devinit dwc3_probe(struct platform_device *pdev) else dwc->maximum_speed = DWC3_DCFG_SUPERSPEED; - if (of_get_property(node, "tx-fifo-resize", NULL)) - dwc->needs_fifo_resize = true; + dwc->needs_fifo_resize = of_property_read_bool(node, "tx-fifo-resize"); pm_runtime_enable(dev); pm_runtime_get_sync(dev); @@ -619,11 +618,22 @@ static int __devexit dwc3_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_OF +static const struct of_device_id of_dwc3_match[] = { + { + .compatible = "synopsys,dwc3" + }, + { }, +}; +MODULE_DEVICE_TABLE(of, of_dwc3_match); +#endif + static struct platform_driver dwc3_driver = { .probe = dwc3_probe, .remove = __devexit_p(dwc3_remove), .driver = { .name = "dwc3", + .of_match_table = of_match_ptr(of_dwc3_match), }, }; -- 1.7.9.5