Hello.
On 01/21/2016 05:53 PM, Petr Kulhavy wrote:
TI DaVinci MUSB driver equipped with DeviceTree support.
Tested with AM1808 board and USB2.0 (OTG) in host mode.
Signed-off-by: Petr Kulhavy <[email protected]>
---
.../devicetree/bindings/usb/da8xx-usb.txt | 52 +++++++
drivers/usb/musb/da8xx.c | 166 +++++++++++++++++++++
DA8xx is not a real DaVinci. DaVincis have their own glue layer, davinci.c.
include/linux/platform_data/usb-davinci.h | 3 +-
3 files changed, 220 insertions(+), 1 deletion(-)
create mode 100644 Documentation/devicetree/bindings/usb/da8xx-usb.txt
[...]
diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c
index 4e13fe2..2c00e98 100644
--- a/drivers/usb/musb/da8xx.c
+++ b/drivers/usb/musb/da8xx.c
[...]
@@ -627,11 +777,27 @@ static int da8xx_remove(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_OF
+static const struct of_device_id da8xx_id_table[] = {
+ {
+ .compatible = "ti,da850-musb"
+ },
+ {
+ .compatible = "ti,da830-musb"
+ },
What's the difference b/w DA830 and DA850? You don't seem to differ them...
+ {},
+};
+MODULE_DEVICE_TABLE(of, da8xx_id_table);
+#endif
+
static struct platform_driver da8xx_driver = {
.probe = da8xx_probe,
.remove = da8xx_remove,
.driver = {
.name = "musb-da8xx",
+#ifdef CONFIG_OF
+ .of_match_table = of_match_ptr(da8xx_id_table),
+#endif
With of_match_ptr() you shouldn't need this #ifdef.
[...]
diff --git a/include/linux/platform_data/usb-davinci.h
b/include/linux/platform_data/usb-davinci.h
index e0bc4ab..bd2a5a9 100644
--- a/include/linux/platform_data/usb-davinci.h
+++ b/include/linux/platform_data/usb-davinci.h
@@ -21,7 +21,8 @@
#define CFGCHIP2_FORCE_DEVICE (2 << 13)
#define CFGCHIP2_FORCE_HOST_VBUS_LOW (3 << 13)
#define CFGCHIP2_USB1PHYCLKMUX (1 << 12)
-#define CFGCHIP2_USB2PHYCLKMUX (1 << 11)
+#define CFGCHIP2_USB2PHYCLKMUX_OFFSET (11)
I'd prefer *_SHIFT if you must #define it.
+#define CFGCHIP2_USB2PHYCLKMUX (1 << CFGCHIP2_USB2PHYCLKMUX_OFFSET)
#define CFGCHIP2_PHYPWRDN (1 << 10)
#define CFGCHIP2_OTGPWRDN (1 << 9)
#define CFGCHIP2_DATPOL (1 << 8)
More comments later, when the time permits...
MBR, Sergei
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