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Commit 0fcd5411 authored by David Lechner's avatar David Lechner Committed by Sekhar Nori
Browse files

ARM: davinci: da8xx: Add CFGCHIP syscon platform device 



The CFGCHIP registers are used by a number of devices, so use a syscon
device to share them. The first consumer of this will be the phy-da8xx-usb
driver.

Add the syscon device and register it.

Signed-off-by: default avatarDavid Lechner <david@lechnology.com>
[nsekhar@ti.com: minor commit message fixes]
Signed-off-by: default avatarSekhar Nori <nsekhar@ti.com>
parent 766763db

arch/arm/mach-davinci/board-da830-evm.c

+4 −0
Original line number Diff line number Diff line
@@ -589,6 +589,10 @@ static __init void da830_evm_init(void) 
	struct davinci_soc_info *soc_info = &davinci_soc_info;

	int ret;



	ret = da8xx_register_cfgchip();

	if (ret)

		pr_warn("%s: CFGCHIP registration failed: %d\n", __func__, ret);



	ret = da830_register_gpio();

	if (ret)

		pr_warn("%s: GPIO init failed: %d\n", __func__, ret);

arch/arm/mach-davinci/board-da850-evm.c

+4 −0
Original line number Diff line number Diff line
@@ -1345,6 +1345,10 @@ static __init void da850_evm_init(void) 
{

	int ret;



	ret = da8xx_register_cfgchip();

	if (ret)

		pr_warn("%s: CFGCHIP registration failed: %d\n", __func__, ret);



	ret = da850_register_gpio();

	if (ret)

		pr_warn("%s: GPIO init failed: %d\n", __func__, ret);

arch/arm/mach-davinci/board-mityomapl138.c

+4 −0
Original line number Diff line number Diff line
@@ -514,6 +514,10 @@ static void __init mityomapl138_init(void) 
{

	int ret;



	ret = da8xx_register_cfgchip();

	if (ret)

		pr_warn("%s: CFGCHIP registration failed: %d\n", __func__, ret);



	/* for now, no special EDMA channels are reserved */

	ret = da850_register_edma(NULL);

	if (ret)

arch/arm/mach-davinci/board-omapl138-hawk.c

+4 −0
Original line number Diff line number Diff line
@@ -293,6 +293,10 @@ static __init void omapl138_hawk_init(void) 
{

	int ret;



	ret = da8xx_register_cfgchip();

	if (ret)

		pr_warn("%s: CFGCHIP registration failed: %d\n", __func__, ret);



	ret = da850_register_gpio();

	if (ret)

		pr_warn("%s: GPIO init failed: %d\n", __func__, ret);

arch/arm/mach-davinci/devices-da8xx.c

+28 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
 * (at your option) any later version.

 */

#include <linux/init.h>

#include <linux/platform_data/syscon.h>

#include <linux/platform_device.h>

#include <linux/dma-contiguous.h>

#include <linux/serial_8250.h>
@@ -1060,3 +1061,30 @@ int __init da850_register_sata(unsigned long refclkpn) 
	return platform_device_register(&da850_sata_device);

}

#endif



static struct syscon_platform_data da8xx_cfgchip_platform_data = {

	.label	= "cfgchip",

};



static struct resource da8xx_cfgchip_resources[] = {

	{

		.start	= DA8XX_SYSCFG0_BASE + DA8XX_CFGCHIP0_REG,

		.end	= DA8XX_SYSCFG0_BASE + DA8XX_CFGCHIP4_REG + 3,

		.flags	= IORESOURCE_MEM,

	},

};



static struct platform_device da8xx_cfgchip_device = {

	.name	= "syscon",

	.id	= -1,

	.dev	= {

		.platform_data	= &da8xx_cfgchip_platform_data,

	},

	.num_resources	= ARRAY_SIZE(da8xx_cfgchip_resources),

	.resource	= da8xx_cfgchip_resources,

};



int __init da8xx_register_cfgchip(void)

{

	return platform_device_register(&da8xx_cfgchip_device);

}