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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Barebox List <barebox@lists.infradead.org>
Subject: [PATCH 10/23] usb: imx: Add clock support
Date: Mon, 16 Jan 2017 11:50:55 +0100	[thread overview]
Message-ID: <20170116105108.13617-11-s.hauer@pengutronix.de> (raw)
In-Reply-To: <20170116105108.13617-1-s.hauer@pengutronix.de>

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/usb/imx/chipidea-imx.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/usb/imx/chipidea-imx.c b/drivers/usb/imx/chipidea-imx.c
index f4354876c..ccd534613 100644
--- a/drivers/usb/imx/chipidea-imx.c
+++ b/drivers/usb/imx/chipidea-imx.c
@@ -27,6 +27,7 @@
 #include <usb/fsl_usb2.h>
 #include <linux/err.h>
 #include <linux/phy/phy.h>
+#include <linux/clk.h>
 
 #define MXC_EHCI_PORTSC_MASK ((0xf << 28) | (1 << 25))
 
@@ -44,6 +45,7 @@ struct imx_chipidea {
 	struct regulator *vbus;
 	struct phy *phy;
 	struct usb_phy *usbphy;
+	struct clk *clk;
 };
 
 static int imx_chipidea_port_init(void *drvdata)
@@ -268,6 +270,17 @@ static int imx_chipidea_probe(struct device_d *dev)
 	if (IS_ERR(ci->vbus))
 		ci->vbus = NULL;
 
+	/*
+	 * Some devices have more than one clock, in this case they are enabled
+	 * by default in the clock driver. At least enable the main clock for
+	 * devices which have only one.
+	 */
+	ci->clk = clk_get(dev, NULL);
+	if (IS_ERR(ci->clk))
+		return PTR_ERR(ci->clk);
+
+	clk_enable(ci->clk);
+
 	if (of_property_read_bool(dev->device_node, "fsl,usbphy")) {
 		ci->phy = of_phy_get_by_phandle(dev, "fsl,usbphy", 0);
 		if (IS_ERR(ci->phy)) {
-- 
2.11.0


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  parent reply	other threads:[~2017-01-16 10:51 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-16 10:50 i.MX7 support Sascha Hauer
2017-01-16 10:50 ` [PATCH 01/23] imx-usb-loader: let constant data be const Sascha Hauer
2017-01-16 10:50 ` [PATCH 02/23] imx-usb-loader: this table is used internally only, so keep it static Sascha Hauer
2017-01-16 11:29   ` Juergen Borleis
2017-01-16 10:50 ` [PATCH 03/23] imx-usb-loader: add i.MX7S support Sascha Hauer
2017-01-16 10:50 ` [PATCH 04/23] ARM: Makefile: format fix Sascha Hauer
2017-01-16 10:50 ` [PATCH 05/23] i2c: i.MX: Enable clock Sascha Hauer
2017-01-16 10:50 ` [PATCH 06/23] mci: imx-esdhc: " Sascha Hauer
2017-01-16 10:50 ` [PATCH 07/23] serial: i.MX: " Sascha Hauer
2017-01-16 10:50 ` [PATCH 08/23] usb: imx: Make usb-misc multi instance safe Sascha Hauer
2017-01-16 10:50 ` [PATCH 09/23] usb: imx: Add usbmisc support for i.MX7 Sascha Hauer
2017-01-16 10:50 ` Sascha Hauer [this message]
2017-01-16 10:50 ` [PATCH 11/23] phy: usb-nop-xceiv: Add clock support Sascha Hauer
2017-01-16 10:50 ` [PATCH 12/23] of: partitions: force "partitions" subnode Sascha Hauer
2017-01-16 10:50 ` [PATCH 13/23] mci: Allow to partition eMMC boot partitions Sascha Hauer
2017-01-16 10:50 ` [PATCH 14/23] mci: imx-esdhci: remove wrong write protection test Sascha Hauer
2017-01-16 10:51 ` [PATCH 15/23] ARM: i.MX: Add i.MX7 base architecture support Sascha Hauer
2017-01-16 10:51 ` [PATCH 16/23] clk: i.MX: pllv3: Add support for the i.MX7 enet pll Sascha Hauer
2017-01-16 10:51 ` [PATCH 17/23] clk: imx: Add clk-cpu support Sascha Hauer
2017-01-16 10:51 ` [PATCH 18/23] clk: i.MX: Add clock support for i.MX7 Sascha Hauer
2017-01-16 10:51 ` [PATCH 19/23] clk: i.MX7: Add missing USB clocks Sascha Hauer
2017-01-16 10:51 ` [PATCH 20/23] ARM: i.MX: gpt: Add i.MX7 support Sascha Hauer
2017-01-16 11:35   ` Juergen Borleis
2017-01-16 10:51 ` [PATCH 21/23] pinmmux: i.MX: add pin mux support for i.MX7 Sascha Hauer
2017-01-16 10:51 ` [PATCH 22/23] serial: i.MX: add i.MX7 support Sascha Hauer
2017-01-16 10:51 ` [PATCH 23/23] ARM: i.MX: Add WaRP7 board support Sascha Hauer
2017-01-16 10:58 ` i.MX7 support Fabio Estevam
2017-01-16 12:58   ` Sascha Hauer
2017-01-17 12:07     ` Fabio Estevam
2017-01-18  7:07       ` Sascha Hauer
2017-01-18  9:36         ` Fabio Estevam
2017-01-19  9:14           ` Sascha Hauer
2017-01-19 11:54             ` Fabio Estevam
2017-01-19 12:38               ` Sascha Hauer
2017-01-19 17:32                 ` Fabio Estevam
2017-01-16 11:02 ` Belisko Marek
2017-01-16 11:38   ` Robert Schwebel
2017-01-16 11:51     ` Belisko Marek

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