Re: [PATCH 1/2] drivers: bus: add a new driver for omap-ocp2scp
On Tuesday 17 July 2012, ABRAHAM, KISHON VIJAY wrote: > On Mon, Jul 16, 2012 at 7:43 PM, Kishon Vijay Abraham I wrote: > > Adds a new driver *omap-ocp2scp*. This driver takes the responsibility of > > creating all the devices that is connected to OCP2SCP. In the case of OMAP4, > > USB2PHY is connected to ocp2scp. > > > > This also includes device tree support for ocp2scp driver and > > the documentation with device tree binding information is updated. > > > > Cc: Felipe Balbi > > Cc: Arnd Bergmann > > Signed-off-by: Kishon Vijay Abraham I Acked-by: Arnd Bergmann Now that we've found a place for the code to live, do we know which maintainer is going to pick it up? If nobody else volunteers, we can take it through the arm-soc tree. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 1/2] drivers: bus: add a new driver for omap-ocp2scp
On Tuesday 17 July 2012, ABRAHAM, KISHON VIJAY wrote: On Mon, Jul 16, 2012 at 7:43 PM, Kishon Vijay Abraham I kis...@ti.com wrote: Adds a new driver *omap-ocp2scp*. This driver takes the responsibility of creating all the devices that is connected to OCP2SCP. In the case of OMAP4, USB2PHY is connected to ocp2scp. This also includes device tree support for ocp2scp driver and the documentation with device tree binding information is updated. Cc: Felipe Balbi ba...@ti.com Cc: Arnd Bergmann a...@arndb.de Signed-off-by: Kishon Vijay Abraham I kis...@ti.com Acked-by: Arnd Bergmann a...@arndb.de Now that we've found a place for the code to live, do we know which maintainer is going to pick it up? If nobody else volunteers, we can take it through the arm-soc tree. Arnd -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 1/2] drivers: bus: add a new driver for omap-ocp2scp
+Arnd Bergmann On Mon, Jul 16, 2012 at 7:43 PM, Kishon Vijay Abraham I wrote: > Adds a new driver *omap-ocp2scp*. This driver takes the responsibility of > creating all the devices that is connected to OCP2SCP. In the case of OMAP4, > USB2PHY is connected to ocp2scp. > > This also includes device tree support for ocp2scp driver and > the documentation with device tree binding information is updated. > > Cc: Felipe Balbi > Cc: Arnd Bergmann > Signed-off-by: Kishon Vijay Abraham I > --- > .../devicetree/bindings/bus/omap-ocp2scp.txt | 10 ++ > drivers/Kconfig|2 + > drivers/Makefile |2 + > drivers/bus/Kconfig| 15 +++ > drivers/bus/Makefile |5 + > drivers/bus/omap-ocp2scp.c | 98 > > 6 files changed, 132 insertions(+), 0 deletions(-) > create mode 100644 Documentation/devicetree/bindings/bus/omap-ocp2scp.txt > create mode 100644 drivers/bus/Kconfig > create mode 100644 drivers/bus/Makefile > create mode 100644 drivers/bus/omap-ocp2scp.c > > diff --git a/Documentation/devicetree/bindings/bus/omap-ocp2scp.txt > b/Documentation/devicetree/bindings/bus/omap-ocp2scp.txt > new file mode 100644 > index 000..d2fe064 > --- /dev/null > +++ b/Documentation/devicetree/bindings/bus/omap-ocp2scp.txt > @@ -0,0 +1,10 @@ > +* OMAP OCP2SCP - ocp interface to scp interface > + > +properties: > +- compatible : Should be "ti,omap-ocp2scp" > +- #address-cells, #size-cells : Must be present if the device has sub-nodes > +- ranges : the child address space are mapped 1:1 onto the parent address > space > +- ti,hwmods : must be "ocp2scp_usb_phy" > + > +Sub-nodes: > +All the devices connected to ocp2scp are described using sub-node to ocp2scp > diff --git a/drivers/Kconfig b/drivers/Kconfig > index bfc9186..4fe1e4c 100644 > --- a/drivers/Kconfig > +++ b/drivers/Kconfig > @@ -2,6 +2,8 @@ menu "Device Drivers" > > source "drivers/base/Kconfig" > > +source "drivers/bus/Kconfig" > + > source "drivers/connector/Kconfig" > > source "drivers/mtd/Kconfig" > diff --git a/drivers/Makefile b/drivers/Makefile > index 2ba29ff..cac3819 100644 > --- a/drivers/Makefile > +++ b/drivers/Makefile > @@ -5,6 +5,8 @@ > # Rewritten to use lists instead of if-statements. > # > > +obj-y += bus/ > + > # GPIO must come after pinctrl as gpios may need to mux pins etc > obj-y += pinctrl/ > obj-y += gpio/ > diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig > new file mode 100644 > index 000..6270415 > --- /dev/null > +++ b/drivers/bus/Kconfig > @@ -0,0 +1,15 @@ > +# > +# Bus Devices > +# > + > +menu "Bus devices" > + > +config OMAP_OCP2SCP > + tristate "OMAP OCP2SCP DRIVER" > + help > + Driver to enable ocp2scp module which transforms ocp interface > + protocol to scp protocol. In OMAP4, USB PHY is connected via > + OCP2SCP and in OMAP5, both USB PHY and SATA PHY is connected via > + OCP2SCP. > + > +endmenu > diff --git a/drivers/bus/Makefile b/drivers/bus/Makefile > new file mode 100644 > index 000..0ec50bc > --- /dev/null > +++ b/drivers/bus/Makefile > @@ -0,0 +1,5 @@ > +# > +# Makefile for the bus drivers. > +# > + > +obj-$(CONFIG_OMAP_OCP2SCP) += omap-ocp2scp.o > diff --git a/drivers/bus/omap-ocp2scp.c b/drivers/bus/omap-ocp2scp.c > new file mode 100644 > index 000..8c3db3a > --- /dev/null > +++ b/drivers/bus/omap-ocp2scp.c > @@ -0,0 +1,98 @@ > +/* > + * omap-ocp2scp.c - transform ocp interface protocol to scp protocol > + * > + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation; either version 2 of the License, or > + * (at your option) any later version. > + * > + * Author: Kishon Vijay Abraham I > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + */ > + > +#include > +#include > +#include > +#include > +#include > +#include > + > +static int ocp2scp_remove_devices(struct device *dev, void *c) > +{ > + struct platform_device *pdev = to_platform_device(dev); > + > + platform_device_unregister(pdev); > + > + return 0; > +} > + > +static int __devinit omap_ocp2scp_probe(struct platform_device *pdev) > +{ > + int ret; > + struct device_node *np = pdev->dev.of_node; > + > + if (np) { > + ret = of_platform_populate(np, NULL, NULL, >dev); > + if (ret) { > +
[PATCH 1/2] drivers: bus: add a new driver for omap-ocp2scp
Adds a new driver *omap-ocp2scp*. This driver takes the responsibility of creating all the devices that is connected to OCP2SCP. In the case of OMAP4, USB2PHY is connected to ocp2scp. This also includes device tree support for ocp2scp driver and the documentation with device tree binding information is updated. Cc: Felipe Balbi Cc: Arnd Bergmann Signed-off-by: Kishon Vijay Abraham I --- .../devicetree/bindings/bus/omap-ocp2scp.txt | 10 ++ drivers/Kconfig|2 + drivers/Makefile |2 + drivers/bus/Kconfig| 15 +++ drivers/bus/Makefile |5 + drivers/bus/omap-ocp2scp.c | 98 6 files changed, 132 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/bus/omap-ocp2scp.txt create mode 100644 drivers/bus/Kconfig create mode 100644 drivers/bus/Makefile create mode 100644 drivers/bus/omap-ocp2scp.c diff --git a/Documentation/devicetree/bindings/bus/omap-ocp2scp.txt b/Documentation/devicetree/bindings/bus/omap-ocp2scp.txt new file mode 100644 index 000..d2fe064 --- /dev/null +++ b/Documentation/devicetree/bindings/bus/omap-ocp2scp.txt @@ -0,0 +1,10 @@ +* OMAP OCP2SCP - ocp interface to scp interface + +properties: +- compatible : Should be "ti,omap-ocp2scp" +- #address-cells, #size-cells : Must be present if the device has sub-nodes +- ranges : the child address space are mapped 1:1 onto the parent address space +- ti,hwmods : must be "ocp2scp_usb_phy" + +Sub-nodes: +All the devices connected to ocp2scp are described using sub-node to ocp2scp diff --git a/drivers/Kconfig b/drivers/Kconfig index bfc9186..4fe1e4c 100644 --- a/drivers/Kconfig +++ b/drivers/Kconfig @@ -2,6 +2,8 @@ menu "Device Drivers" source "drivers/base/Kconfig" +source "drivers/bus/Kconfig" + source "drivers/connector/Kconfig" source "drivers/mtd/Kconfig" diff --git a/drivers/Makefile b/drivers/Makefile index 2ba29ff..cac3819 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -5,6 +5,8 @@ # Rewritten to use lists instead of if-statements. # +obj-y += bus/ + # GPIO must come after pinctrl as gpios may need to mux pins etc obj-y += pinctrl/ obj-y += gpio/ diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig new file mode 100644 index 000..6270415 --- /dev/null +++ b/drivers/bus/Kconfig @@ -0,0 +1,15 @@ +# +# Bus Devices +# + +menu "Bus devices" + +config OMAP_OCP2SCP + tristate "OMAP OCP2SCP DRIVER" + help + Driver to enable ocp2scp module which transforms ocp interface + protocol to scp protocol. In OMAP4, USB PHY is connected via + OCP2SCP and in OMAP5, both USB PHY and SATA PHY is connected via + OCP2SCP. + +endmenu diff --git a/drivers/bus/Makefile b/drivers/bus/Makefile new file mode 100644 index 000..0ec50bc --- /dev/null +++ b/drivers/bus/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for the bus drivers. +# + +obj-$(CONFIG_OMAP_OCP2SCP) += omap-ocp2scp.o diff --git a/drivers/bus/omap-ocp2scp.c b/drivers/bus/omap-ocp2scp.c new file mode 100644 index 000..8c3db3a --- /dev/null +++ b/drivers/bus/omap-ocp2scp.c @@ -0,0 +1,98 @@ +/* + * omap-ocp2scp.c - transform ocp interface protocol to scp protocol + * + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Author: Kishon Vijay Abraham I + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include +#include +#include +#include +#include +#include + +static int ocp2scp_remove_devices(struct device *dev, void *c) +{ + struct platform_device *pdev = to_platform_device(dev); + + platform_device_unregister(pdev); + + return 0; +} + +static int __devinit omap_ocp2scp_probe(struct platform_device *pdev) +{ + int ret; + struct device_node *np = pdev->dev.of_node; + + if (np) { + ret = of_platform_populate(np, NULL, NULL, >dev); + if (ret) { + dev_err(>dev, "failed to add resources for ocp2scp child\n"); + goto err0; + } + } + pm_runtime_enable(>dev); + + return 0; + +err0: + device_for_each_child(>dev, NULL, ocp2scp_remove_devices); + + return ret; +} + +static int __devexit omap_ocp2scp_remove(struct platform_device *pdev) +{ +
[PATCH 1/2] drivers: bus: add a new driver for omap-ocp2scp
Adds a new driver *omap-ocp2scp*. This driver takes the responsibility of creating all the devices that is connected to OCP2SCP. In the case of OMAP4, USB2PHY is connected to ocp2scp. This also includes device tree support for ocp2scp driver and the documentation with device tree binding information is updated. Cc: Felipe Balbi ba...@ti.com Cc: Arnd Bergmann a...@arndb.de Signed-off-by: Kishon Vijay Abraham I kis...@ti.com --- .../devicetree/bindings/bus/omap-ocp2scp.txt | 10 ++ drivers/Kconfig|2 + drivers/Makefile |2 + drivers/bus/Kconfig| 15 +++ drivers/bus/Makefile |5 + drivers/bus/omap-ocp2scp.c | 98 6 files changed, 132 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/bus/omap-ocp2scp.txt create mode 100644 drivers/bus/Kconfig create mode 100644 drivers/bus/Makefile create mode 100644 drivers/bus/omap-ocp2scp.c diff --git a/Documentation/devicetree/bindings/bus/omap-ocp2scp.txt b/Documentation/devicetree/bindings/bus/omap-ocp2scp.txt new file mode 100644 index 000..d2fe064 --- /dev/null +++ b/Documentation/devicetree/bindings/bus/omap-ocp2scp.txt @@ -0,0 +1,10 @@ +* OMAP OCP2SCP - ocp interface to scp interface + +properties: +- compatible : Should be ti,omap-ocp2scp +- #address-cells, #size-cells : Must be present if the device has sub-nodes +- ranges : the child address space are mapped 1:1 onto the parent address space +- ti,hwmods : must be ocp2scp_usb_phy + +Sub-nodes: +All the devices connected to ocp2scp are described using sub-node to ocp2scp diff --git a/drivers/Kconfig b/drivers/Kconfig index bfc9186..4fe1e4c 100644 --- a/drivers/Kconfig +++ b/drivers/Kconfig @@ -2,6 +2,8 @@ menu Device Drivers source drivers/base/Kconfig +source drivers/bus/Kconfig + source drivers/connector/Kconfig source drivers/mtd/Kconfig diff --git a/drivers/Makefile b/drivers/Makefile index 2ba29ff..cac3819 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -5,6 +5,8 @@ # Rewritten to use lists instead of if-statements. # +obj-y += bus/ + # GPIO must come after pinctrl as gpios may need to mux pins etc obj-y += pinctrl/ obj-y += gpio/ diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig new file mode 100644 index 000..6270415 --- /dev/null +++ b/drivers/bus/Kconfig @@ -0,0 +1,15 @@ +# +# Bus Devices +# + +menu Bus devices + +config OMAP_OCP2SCP + tristate OMAP OCP2SCP DRIVER + help + Driver to enable ocp2scp module which transforms ocp interface + protocol to scp protocol. In OMAP4, USB PHY is connected via + OCP2SCP and in OMAP5, both USB PHY and SATA PHY is connected via + OCP2SCP. + +endmenu diff --git a/drivers/bus/Makefile b/drivers/bus/Makefile new file mode 100644 index 000..0ec50bc --- /dev/null +++ b/drivers/bus/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for the bus drivers. +# + +obj-$(CONFIG_OMAP_OCP2SCP) += omap-ocp2scp.o diff --git a/drivers/bus/omap-ocp2scp.c b/drivers/bus/omap-ocp2scp.c new file mode 100644 index 000..8c3db3a --- /dev/null +++ b/drivers/bus/omap-ocp2scp.c @@ -0,0 +1,98 @@ +/* + * omap-ocp2scp.c - transform ocp interface protocol to scp protocol + * + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Author: Kishon Vijay Abraham I kis...@ti.com + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include linux/module.h +#include linux/platform_device.h +#include linux/err.h +#include linux/pm_runtime.h +#include linux/of.h +#include linux/of_platform.h + +static int ocp2scp_remove_devices(struct device *dev, void *c) +{ + struct platform_device *pdev = to_platform_device(dev); + + platform_device_unregister(pdev); + + return 0; +} + +static int __devinit omap_ocp2scp_probe(struct platform_device *pdev) +{ + int ret; + struct device_node *np = pdev-dev.of_node; + + if (np) { + ret = of_platform_populate(np, NULL, NULL, pdev-dev); + if (ret) { + dev_err(pdev-dev, failed to add resources for ocp2scp child\n); + goto err0; + } + } + pm_runtime_enable(pdev-dev); + + return 0; + +err0: + device_for_each_child(pdev-dev, NULL,
Re: [PATCH 1/2] drivers: bus: add a new driver for omap-ocp2scp
+Arnd Bergmann On Mon, Jul 16, 2012 at 7:43 PM, Kishon Vijay Abraham I kis...@ti.com wrote: Adds a new driver *omap-ocp2scp*. This driver takes the responsibility of creating all the devices that is connected to OCP2SCP. In the case of OMAP4, USB2PHY is connected to ocp2scp. This also includes device tree support for ocp2scp driver and the documentation with device tree binding information is updated. Cc: Felipe Balbi ba...@ti.com Cc: Arnd Bergmann a...@arndb.de Signed-off-by: Kishon Vijay Abraham I kis...@ti.com --- .../devicetree/bindings/bus/omap-ocp2scp.txt | 10 ++ drivers/Kconfig|2 + drivers/Makefile |2 + drivers/bus/Kconfig| 15 +++ drivers/bus/Makefile |5 + drivers/bus/omap-ocp2scp.c | 98 6 files changed, 132 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/bus/omap-ocp2scp.txt create mode 100644 drivers/bus/Kconfig create mode 100644 drivers/bus/Makefile create mode 100644 drivers/bus/omap-ocp2scp.c diff --git a/Documentation/devicetree/bindings/bus/omap-ocp2scp.txt b/Documentation/devicetree/bindings/bus/omap-ocp2scp.txt new file mode 100644 index 000..d2fe064 --- /dev/null +++ b/Documentation/devicetree/bindings/bus/omap-ocp2scp.txt @@ -0,0 +1,10 @@ +* OMAP OCP2SCP - ocp interface to scp interface + +properties: +- compatible : Should be ti,omap-ocp2scp +- #address-cells, #size-cells : Must be present if the device has sub-nodes +- ranges : the child address space are mapped 1:1 onto the parent address space +- ti,hwmods : must be ocp2scp_usb_phy + +Sub-nodes: +All the devices connected to ocp2scp are described using sub-node to ocp2scp diff --git a/drivers/Kconfig b/drivers/Kconfig index bfc9186..4fe1e4c 100644 --- a/drivers/Kconfig +++ b/drivers/Kconfig @@ -2,6 +2,8 @@ menu Device Drivers source drivers/base/Kconfig +source drivers/bus/Kconfig + source drivers/connector/Kconfig source drivers/mtd/Kconfig diff --git a/drivers/Makefile b/drivers/Makefile index 2ba29ff..cac3819 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -5,6 +5,8 @@ # Rewritten to use lists instead of if-statements. # +obj-y += bus/ + # GPIO must come after pinctrl as gpios may need to mux pins etc obj-y += pinctrl/ obj-y += gpio/ diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig new file mode 100644 index 000..6270415 --- /dev/null +++ b/drivers/bus/Kconfig @@ -0,0 +1,15 @@ +# +# Bus Devices +# + +menu Bus devices + +config OMAP_OCP2SCP + tristate OMAP OCP2SCP DRIVER + help + Driver to enable ocp2scp module which transforms ocp interface + protocol to scp protocol. In OMAP4, USB PHY is connected via + OCP2SCP and in OMAP5, both USB PHY and SATA PHY is connected via + OCP2SCP. + +endmenu diff --git a/drivers/bus/Makefile b/drivers/bus/Makefile new file mode 100644 index 000..0ec50bc --- /dev/null +++ b/drivers/bus/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for the bus drivers. +# + +obj-$(CONFIG_OMAP_OCP2SCP) += omap-ocp2scp.o diff --git a/drivers/bus/omap-ocp2scp.c b/drivers/bus/omap-ocp2scp.c new file mode 100644 index 000..8c3db3a --- /dev/null +++ b/drivers/bus/omap-ocp2scp.c @@ -0,0 +1,98 @@ +/* + * omap-ocp2scp.c - transform ocp interface protocol to scp protocol + * + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Author: Kishon Vijay Abraham I kis...@ti.com + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include linux/module.h +#include linux/platform_device.h +#include linux/err.h +#include linux/pm_runtime.h +#include linux/of.h +#include linux/of_platform.h + +static int ocp2scp_remove_devices(struct device *dev, void *c) +{ + struct platform_device *pdev = to_platform_device(dev); + + platform_device_unregister(pdev); + + return 0; +} + +static int __devinit omap_ocp2scp_probe(struct platform_device *pdev) +{ + int ret; + struct device_node *np = pdev-dev.of_node; + + if (np) { + ret = of_platform_populate(np, NULL, NULL, pdev-dev); + if (ret) { +