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Commit 3755584a authored by Baoyou Xie's avatar Baoyou Xie Committed by Shawn Guo
Browse files

soc: zte: pm_domains: Add support for zx296718 



This patch introduces the power domain driver of zx296718
which belongs to zte's zx2967 family.

Signed-off-by: default avatarBaoyou Xie <baoyou.xie@linaro.org>
Reviewed-by: default avatarJun Nie <jun.nie@linaro.org>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 4c2c2e39

drivers/soc/zte/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -2,3 +2,4 @@ 
# ZTE SOC drivers

#

obj-$(CONFIG_ZX2967_PM_DOMAINS) += zx2967_pm_domains.o

obj-$(CONFIG_ZX2967_PM_DOMAINS) += zx296718_pm_domains.o

drivers/soc/zte/zx296718_pm_domains.c

0 → 100644
+182 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2017 ZTE Ltd.

 *

 * Author: Baoyou Xie <baoyou.xie@linaro.org>

 * License terms: GNU General Public License (GPL) version 2

 */



#include <dt-bindings/soc/zte,pm_domains.h>

#include "zx2967_pm_domains.h"



static u16 zx296718_offsets[REG_ARRAY_SIZE] = {

	[REG_CLKEN] = 0x18,

	[REG_ISOEN] = 0x1c,

	[REG_RSTEN] = 0x20,

	[REG_PWREN] = 0x24,

	[REG_ACK_SYNC] = 0x28,

};



enum {

	PCU_DM_VOU = 0,

	PCU_DM_SAPPU,

	PCU_DM_VDE,

	PCU_DM_VCE,

	PCU_DM_HDE,

	PCU_DM_VIU,

	PCU_DM_USB20,

	PCU_DM_USB21,

	PCU_DM_USB30,

	PCU_DM_HSIC,

	PCU_DM_GMAC,

	PCU_DM_TS,

};



static struct zx2967_pm_domain vou_domain = {

	.dm = {

		.name		= "vou_domain",

	},

	.bit = PCU_DM_VOU,

	.polarity = PWREN,

	.reg_offset = zx296718_offsets,

};



static struct zx2967_pm_domain sappu_domain = {

	.dm = {

		.name		= "sappu_domain",

	},

	.bit = PCU_DM_SAPPU,

	.polarity = PWREN,

	.reg_offset = zx296718_offsets,

};



static struct zx2967_pm_domain vde_domain = {

	.dm = {

		.name		= "vde_domain",

	},

	.bit = PCU_DM_VDE,

	.polarity = PWREN,

	.reg_offset = zx296718_offsets,

};



static struct zx2967_pm_domain vce_domain = {

	.dm = {

		.name		= "vce_domain",

	},

	.bit = PCU_DM_VCE,

	.polarity = PWREN,

	.reg_offset = zx296718_offsets,

};



static struct zx2967_pm_domain hde_domain = {

	.dm = {

		.name		= "hde_domain",

	},

	.bit = PCU_DM_HDE,

	.polarity = PWREN,

	.reg_offset = zx296718_offsets,

};



static struct zx2967_pm_domain viu_domain = {

	.dm = {

		.name		= "viu_domain",

	},

	.bit = PCU_DM_VIU,

	.polarity = PWREN,

	.reg_offset = zx296718_offsets,

};



static struct zx2967_pm_domain usb20_domain = {

	.dm = {

		.name		= "usb20_domain",

	},

	.bit = PCU_DM_USB20,

	.polarity = PWREN,

	.reg_offset = zx296718_offsets,

};



static struct zx2967_pm_domain usb21_domain = {

	.dm = {

		.name		= "usb21_domain",

	},

	.bit = PCU_DM_USB21,

	.polarity = PWREN,

	.reg_offset = zx296718_offsets,

};



static struct zx2967_pm_domain usb30_domain = {

	.dm = {

		.name		= "usb30_domain",

	},

	.bit = PCU_DM_USB30,

	.polarity = PWREN,

	.reg_offset = zx296718_offsets,

};



static struct zx2967_pm_domain hsic_domain = {

	.dm = {

		.name		= "hsic_domain",

	},

	.bit = PCU_DM_HSIC,

	.polarity = PWREN,

	.reg_offset = zx296718_offsets,

};



static struct zx2967_pm_domain gmac_domain = {

	.dm = {

		.name		= "gmac_domain",

	},

	.bit = PCU_DM_GMAC,

	.polarity = PWREN,

	.reg_offset = zx296718_offsets,

};



static struct zx2967_pm_domain ts_domain = {

	.dm = {

		.name		= "ts_domain",

	},

	.bit = PCU_DM_TS,

	.polarity = PWREN,

	.reg_offset = zx296718_offsets,

};



static struct generic_pm_domain *zx296718_pm_domains[] = {

	[DM_ZX296718_VOU] = &vou_domain.dm,

	[DM_ZX296718_SAPPU] = &sappu_domain.dm,

	[DM_ZX296718_VDE] = &vde_domain.dm,

	[DM_ZX296718_VCE] = &vce_domain.dm,

	[DM_ZX296718_HDE] = &hde_domain.dm,

	[DM_ZX296718_VIU] = &viu_domain.dm,

	[DM_ZX296718_USB20] = &usb20_domain.dm,

	[DM_ZX296718_USB21] = &usb21_domain.dm,

	[DM_ZX296718_USB30] = &usb30_domain.dm,

	[DM_ZX296718_HSIC] = &hsic_domain.dm,

	[DM_ZX296718_GMAC] = &gmac_domain.dm,

	[DM_ZX296718_TS] = &ts_domain.dm,

};



static int zx296718_pd_probe(struct platform_device *pdev)

{

	return zx2967_pd_probe(pdev,

			  zx296718_pm_domains,

			  ARRAY_SIZE(zx296718_pm_domains));

}



static const struct of_device_id zx296718_pm_domain_matches[] = {

	{ .compatible = "zte,zx296718-pcu", },

	{ },

};



static struct platform_driver zx296718_pd_driver = {

	.driver = {

		.name = "zx296718-powerdomain",

		.owner = THIS_MODULE,

		.of_match_table = zx296718_pm_domain_matches,

	},

	.probe = zx296718_pd_probe,

};



static int __init zx296718_pd_init(void)

{

	return platform_driver_register(&zx296718_pd_driver);

}

subsys_initcall(zx296718_pd_init);