linux-kernel - [PATCH 2/7] usb: dwc2: add support for STM32F7xx USB OTG HS

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Message-ID: <1502962386-6683-3-git-send-email-amelie.delaunay@st.com>
Date:   Thu, 17 Aug 2017 11:33:01 +0200
From:   Amelie Delaunay <amelie.delaunay@...com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        John Youn <johnyoun@...opsys.com>
CC:     <linux-usb@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Benjamin Gaignard <benjamin.gaignard@...com>
Subject: [PATCH 2/7] usb: dwc2: add support for STM32F7xx USB OTG HS

This patch adds the dwc2_set_params function for STM32F7xx USB OTG HS.

Signed-off-by: Amelie Delaunay <amelie.delaunay@...com>
---
 drivers/usb/dwc2/params.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
index a3ffe97..015d23e 100644
--- a/drivers/usb/dwc2/params.c
+++ b/drivers/usb/dwc2/params.c
@@ -136,6 +136,15 @@ static void dwc2_set_stm32f4x9_fsotg_params(struct dwc2_hsotg *hsotg)
 	p->activate_stm_fs_transceiver = true;
 }
 
+static void dwc2_set_stm32f7xx_hsotg_params(struct dwc2_hsotg *hsotg)
+{
+	struct dwc2_core_params *p = &hsotg->params;
+
+	p->host_rx_fifo_size = 622;
+	p->host_nperio_tx_fifo_size = 128;
+	p->host_perio_tx_fifo_size = 256;
+}
+
 const struct of_device_id dwc2_of_match_table[] = {
 	{ .compatible = "brcm,bcm2835-usb", .data = dwc2_set_bcm_params },
 	{ .compatible = "hisilicon,hi6220-usb", .data = dwc2_set_his_params  },
@@ -154,6 +163,8 @@ const struct of_device_id dwc2_of_match_table[] = {
 	{ .compatible = "st,stm32f4x9-fsotg",
 	  .data = dwc2_set_stm32f4x9_fsotg_params },
 	{ .compatible = "st,stm32f4x9-hsotg" },
+	{ .compatible = "st,stm32f7xx-hsotg",
+	  .data = dwc2_set_stm32f7xx_hsotg_params },
 	{},
 };
 MODULE_DEVICE_TABLE(of, dwc2_of_match_table);
-- 
2.7.4