diff mbox

[5/8] phy-rcar-usb-gen2: add device tree support

Message ID 1390754945-28142-6-git-send-email-ben.dooks@codethink.co.uk (mailing list archive)
State Superseded
Headers show

Commit Message

Ben Dooks Jan. 26, 2014, 4:49 p.m. UTC
Add support for the phy-rcar-gen2-usb driver to be probed from device tree.

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Reviewed-by: Ian Molton <ian.molton@codethink.co.uk>
---
Fixes from v1:
	- use of_property_reasd-bool()
	- remove unused of_id variable

Cc: linux-usb@vger.kernel.org
Cc: linux-sh@vger.kernel.org
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Simon Horman <horms@verge.net.au>
Cc: devicetree@vger.kernel.org
---
 drivers/usb/phy/phy-rcar-gen2-usb.c | 31 ++++++++++++++++++++++++++-----
 1 file changed, 26 insertions(+), 5 deletions(-)

Comments

Ben Dooks Jan. 26, 2014, 5:08 p.m. UTC | #1
On 26/01/14 18:03, Sergei Shtylyov wrote:
> Hello.
>
> On 01/26/2014 07:49 PM, Ben Dooks wrote:
>
>> Add support for the phy-rcar-gen2-usb driver to be probed from device
>> tree.
>
>> Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
>> Reviewed-by: Ian Molton <ian.molton@codethink.co.uk>
>> ---
>> Fixes from v1:
>>     - use of_property_reasd-bool()
>>     - remove unused of_id variable
>
>> Cc: linux-usb@vger.kernel.org
>> Cc: linux-sh@vger.kernel.org
>> Cc: Magnus Damm <magnus.damm@gmail.com>
>> Cc: Simon Horman <horms@verge.net.au>
>> Cc: devicetree@vger.kernel.org
>> ---
>>   drivers/usb/phy/phy-rcar-gen2-usb.c | 31
>> ++++++++++++++++++++++++++-----
>>   1 file changed, 26 insertions(+), 5 deletions(-)
>
>> diff --git a/drivers/usb/phy/phy-rcar-gen2-usb.c
>> b/drivers/usb/phy/phy-rcar-gen2-usb.c
>> index db3ab34..d146388 100644
>> --- a/drivers/usb/phy/phy-rcar-gen2-usb.c
>> +++ b/drivers/usb/phy/phy-rcar-gen2-usb.c
> [...]
>> @@ -203,16 +210,29 @@ static int rcar_gen2_usb_phy_probe(struct
>> platform_device *pdev)
> [...]
>> +    if (of_id) {
>
>     You've removed the variable but not its use. Have you tried to
> compile this patch?

Thanks, already noticed that and produced v3.

I should not be let near git-rebase when hungry.
Sergei Shtylyov Jan. 26, 2014, 6:03 p.m. UTC | #2
Hello.

On 01/26/2014 07:49 PM, Ben Dooks wrote:

> Add support for the phy-rcar-gen2-usb driver to be probed from device tree.

> Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
> Reviewed-by: Ian Molton <ian.molton@codethink.co.uk>
> ---
> Fixes from v1:
> 	- use of_property_reasd-bool()
> 	- remove unused of_id variable

> Cc: linux-usb@vger.kernel.org
> Cc: linux-sh@vger.kernel.org
> Cc: Magnus Damm <magnus.damm@gmail.com>
> Cc: Simon Horman <horms@verge.net.au>
> Cc: devicetree@vger.kernel.org
> ---
>   drivers/usb/phy/phy-rcar-gen2-usb.c | 31 ++++++++++++++++++++++++++-----
>   1 file changed, 26 insertions(+), 5 deletions(-)

> diff --git a/drivers/usb/phy/phy-rcar-gen2-usb.c b/drivers/usb/phy/phy-rcar-gen2-usb.c
> index db3ab34..d146388 100644
> --- a/drivers/usb/phy/phy-rcar-gen2-usb.c
> +++ b/drivers/usb/phy/phy-rcar-gen2-usb.c
[...]
> @@ -203,16 +210,29 @@ static int rcar_gen2_usb_phy_probe(struct platform_device *pdev)
[...]
> +	if (of_id) {

    You've removed the variable but not its use. Have you tried to compile 
this patch?

> +		if (of_property_read_bool(dev->of_node, "renesas,usb0-hs"))
> +			priv->ugctrl2 = USBHS_UGCTRL2_USB0_HS;
> +		else
> +			priv->ugctrl2 = USBHS_UGCTRL2_USB0_PCI;
> +
> +		if (of_property_read_bool(dev->of_node, "renesas,usb2-ss"))
> +			priv->ugctrl2 |= USBHS_UGCTRL2_USB2_SS;
> +		else
> +			priv->ugctrl2 |= USBHS_UGCTRL2_USB2_PCI;
> +	} else {
> +		priv->ugctrl2 = pdata->chan0_pci ?
> +			USBHS_UGCTRL2_USB0_PCI : USBHS_UGCTRL2_USB0_HS;
> +		priv->ugctrl2 |= pdata->chan2_pci ?
> +			USBHS_UGCTRL2_USB2_PCI : USBHS_UGCTRL2_USB2_SS;
> +	}
> +
>   	retval = usb_add_phy(&priv->phy, USB_PHY_TYPE_USB2);
>   	if (retval < 0) {
>   		dev_err(dev, "Failed to add USB phy\n");

WBR, Sergei


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diff mbox

Patch

diff --git a/drivers/usb/phy/phy-rcar-gen2-usb.c b/drivers/usb/phy/phy-rcar-gen2-usb.c
index db3ab34..d146388 100644
--- a/drivers/usb/phy/phy-rcar-gen2-usb.c
+++ b/drivers/usb/phy/phy-rcar-gen2-usb.c
@@ -15,6 +15,7 @@ 
 #include <linux/module.h>
 #include <linux/platform_data/usb-rcar-gen2-phy.h>
 #include <linux/platform_device.h>
+#include <linux/of_device.h>
 #include <linux/spinlock.h>
 #include <linux/usb/otg.h>
 
@@ -167,6 +168,12 @@  out:
 	spin_unlock_irqrestore(&priv->lock, flags);
 }
 
+static struct of_device_id rcar_gen2_usb_phy_ofmatch[] = {
+	{ .compatible = "renesas,usb-phy-r8a7790", },
+	{ .compatible = "renesas,rcar-gen2-usb-phy", },
+	{ },
+};
+
 static int rcar_gen2_usb_phy_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
@@ -178,7 +185,7 @@  static int rcar_gen2_usb_phy_probe(struct platform_device *pdev)
 	int retval;
 
 	pdata = dev_get_platdata(&pdev->dev);
-	if (!pdata) {
+	if (!pdata && !dev->of_node) {
 		dev_err(dev, "No platform data\n");
 		return -EINVAL;
 	}
@@ -203,16 +210,29 @@  static int rcar_gen2_usb_phy_probe(struct platform_device *pdev)
 	spin_lock_init(&priv->lock);
 	priv->clk = clk;
 	priv->base = base;
-	priv->ugctrl2 = pdata->chan0_pci ?
-			USBHS_UGCTRL2_USB0_PCI : USBHS_UGCTRL2_USB0_HS;
-	priv->ugctrl2 |= pdata->chan2_pci ?
-			USBHS_UGCTRL2_USB2_PCI : USBHS_UGCTRL2_USB2_SS;
 	priv->phy.dev = dev;
 	priv->phy.label = dev_name(dev);
 	priv->phy.init = rcar_gen2_usb_phy_init;
 	priv->phy.shutdown = rcar_gen2_usb_phy_shutdown;
 	priv->phy.set_suspend = rcar_gen2_usb_phy_set_suspend;
 
+	if (of_id) {
+		if (of_property_read_bool(dev->of_node, "renesas,usb0-hs"))
+			priv->ugctrl2 = USBHS_UGCTRL2_USB0_HS;
+		else
+			priv->ugctrl2 = USBHS_UGCTRL2_USB0_PCI;
+
+		if (of_property_read_bool(dev->of_node, "renesas,usb2-ss"))
+			priv->ugctrl2 |= USBHS_UGCTRL2_USB2_SS;
+		else
+			priv->ugctrl2 |= USBHS_UGCTRL2_USB2_PCI;
+	} else {
+		priv->ugctrl2 = pdata->chan0_pci ?
+			USBHS_UGCTRL2_USB0_PCI : USBHS_UGCTRL2_USB0_HS;
+		priv->ugctrl2 |= pdata->chan2_pci ?
+			USBHS_UGCTRL2_USB2_PCI : USBHS_UGCTRL2_USB2_SS;
+	}
+
 	retval = usb_add_phy(&priv->phy, USB_PHY_TYPE_USB2);
 	if (retval < 0) {
 		dev_err(dev, "Failed to add USB phy\n");
@@ -236,6 +256,7 @@  static int rcar_gen2_usb_phy_remove(struct platform_device *pdev)
 static struct platform_driver rcar_gen2_usb_phy_driver = {
 	.driver = {
 		.name = "usb_phy_rcar_gen2",
+		.of_match_table = rcar_gen2_usb_phy_ofmatch,
 	},
 	.probe = rcar_gen2_usb_phy_probe,
 	.remove = rcar_gen2_usb_phy_remove,