[PATCH v2 2/2] soc: zte: pm_domains: Add support for zx296718 board
Jun Nie
jun.nie at linaro.org
Tue Dec 6 03:14:21 PST 2016
2016-12-06 9:30 GMT+08:00 Baoyou Xie <baoyou.xie at linaro.org>:
> This patch introduces the power domain driver of zx296718
> which belongs to zte's 2967 family.
>
> Signed-off-by: Baoyou Xie <baoyou.xie at linaro.org>
> ---
> drivers/soc/zte/Makefile | 2 +-
> drivers/soc/zte/zx296718_pm_domains.c | 182 ++++++++++++++++++++++++++++++++++
> 2 files changed, 183 insertions(+), 1 deletion(-)
> create mode 100644 drivers/soc/zte/zx296718_pm_domains.c
>
> diff --git a/drivers/soc/zte/Makefile b/drivers/soc/zte/Makefile
> index 97ac8ea..2d2a2cc 100644
> --- a/drivers/soc/zte/Makefile
> +++ b/drivers/soc/zte/Makefile
> @@ -1,4 +1,4 @@
> #
> # zx SOC drivers
> #
> -obj-$(CONFIG_ZX_PM_DOMAINS) += pm_domains.o
> +obj-$(CONFIG_ZX_PM_DOMAINS) += pm_domains.o zx296718_pm_domains.o
> diff --git a/drivers/soc/zte/zx296718_pm_domains.c b/drivers/soc/zte/zx296718_pm_domains.c
> new file mode 100644
> index 0000000..ed18b33
> --- /dev/null
> +++ b/drivers/soc/zte/zx296718_pm_domains.c
> @@ -0,0 +1,182 @@
> +/*
> + * Copyright (C) 2015 ZTE Ltd.
> + *
> + * Author: Baoyou Xie <baoyou.xie at linaro.org>
> + * License terms: GNU General Public License (GPL) version 2
> + */
> +#include <dt-bindings/arm/zte_pm_domains.h>
> +#include "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 zx_pm_domain vou_domain = {
> + .dm = {
> + .name = "vou_domain",
> + .power_off = zx_normal_power_off,
> + .power_on = zx_normal_power_on,
> + },
> + .bit = PCU_DM_VOU,
> + .reg_offset = zx296718_offsets,
> +};
> +static struct zx_pm_domain sappu_domain = {
> + .dm = {
> + .name = "sappu_domain",
> + .power_off = zx_normal_power_off,
> + .power_on = zx_normal_power_on,
> + },
> + .bit = PCU_DM_SAPPU,
> + .reg_offset = zx296718_offsets,
> +};
> +static struct zx_pm_domain vde_domain = {
> + .dm = {
> + .name = "vde_domain",
> + .power_off = zx_normal_power_off,
> + .power_on = zx_normal_power_on,
> + },
> + .bit = PCU_DM_VDE,
> + .reg_offset = zx296718_offsets,
> +};
> +static struct zx_pm_domain vce_domain = {
> + .dm = {
> + .name = "vce_domain",
> + .power_off = zx_normal_power_off,
> + .power_on = zx_normal_power_on,
> + },
> + .bit = PCU_DM_VCE,
> + .reg_offset = zx296718_offsets,
> +};
> +static struct zx_pm_domain hde_domain = {
> + .dm = {
> + .name = "hde_domain",
> + .power_off = zx_normal_power_off,
> + .power_on = zx_normal_power_on,
> + },
> + .bit = PCU_DM_HDE,
> + .reg_offset = zx296718_offsets,
> +};
> +
> +static struct zx_pm_domain viu_domain = {
> + .dm = {
> + .name = "viu_domain",
> + .power_off = zx_normal_power_off,
> + .power_on = zx_normal_power_on,
> + },
> + .bit = PCU_DM_VIU,
> + .reg_offset = zx296718_offsets,
> +};
> +static struct zx_pm_domain usb20_domain = {
> + .dm = {
> + .name = "usb20_domain",
> + .power_off = zx_normal_power_off,
> + .power_on = zx_normal_power_on,
> + },
> + .bit = PCU_DM_USB20,
> + .reg_offset = zx296718_offsets,
> +};
> +static struct zx_pm_domain usb21_domain = {
> + .dm = {
> + .name = "usb21_domain",
> + .power_off = zx_normal_power_off,
> + .power_on = zx_normal_power_on,
> + },
> + .bit = PCU_DM_USB21,
> + .reg_offset = zx296718_offsets,
> +};
> +static struct zx_pm_domain usb30_domain = {
> + .dm = {
> + .name = "usb30_domain",
> + .power_off = zx_normal_power_off,
> + .power_on = zx_normal_power_on,
> + },
> + .bit = PCU_DM_USB30,
> + .reg_offset = zx296718_offsets,
> +};
> +static struct zx_pm_domain hsic_domain = {
> + .dm = {
> + .name = "hsic_domain",
> + .power_off = zx_normal_power_off,
> + .power_on = zx_normal_power_on,
> + },
> + .bit = PCU_DM_HSIC,
> + .reg_offset = zx296718_offsets,
> +};
> +static struct zx_pm_domain gmac_domain = {
> + .dm = {
> + .name = "gmac_domain",
> + .power_off = zx_normal_power_off,
> + .power_on = zx_normal_power_on,
> + },
> + .bit = PCU_DM_GMAC,
> + .reg_offset = zx296718_offsets,
> +};
> +static struct zx_pm_domain ts_domain = {
> + .dm = {
> + .name = "ts_domain",
> + .power_off = zx_normal_power_off,
> + .power_on = zx_normal_power_on,
> + },
> + .bit = PCU_DM_TS,
> + .reg_offset = zx296718_offsets,
> +};
> +struct generic_pm_domain *zx296718_pm_domains[] = {
> + [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,
> + [DM_ZX296718_VOU] = &vou_domain.dm,
> +};
> +
> +static int zx296718_pd_probe(struct platform_device *pdev)
> +{
> + return zx_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 = "zx-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);
> --
> 2.7.4
>
Reviewed-by: Jun Nie <jun.nie at linaro.org>
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