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Message-Id: <1481091204-6559-2-git-send-email-baoyou.xie@linaro.org>
Date: Wed, 7 Dec 2016 14:13:23 +0800
From: Baoyou Xie <baoyou.xie@...aro.org>
To: jun.nie@...aro.org, baoyou.xie@...aro.org,
gregkh@...uxfoundation.org, davem@...emloft.net,
geert+renesas@...der.be, akpm@...ux-foundation.org,
mchehab@...nel.org, linux@...ck-us.net, ulf.hansson@...aro.org,
krzk@...nel.org, oss@...error.net, arnd@...db.de,
amitdanielk@...il.com, aar@...gutronix.de, f.fainelli@...il.com,
qiang.zhao@....com, claudiu.manoil@....com,
pankaj.dubey@...sung.com, yangbo.lu@....com,
scott.branden@...adcom.com, rmk+kernel@...linux.org.uk
Cc: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
shawnguo@...nel.org, xie.baoyou@....com.cn,
chen.chaokai@....com.cn, wang.qiang01@....com.cn
Subject: [PATCH v3 2/3] soc: zte: pm_domains: Add support for zx296718 board
This patch introduces the power domain driver of zx296718
which belongs to zte's 2967 family.
Signed-off-by: Baoyou Xie <baoyou.xie@...aro.org>
---
drivers/soc/zte/Makefile | 2 +-
drivers/soc/zte/zx296718_pm_domains.c | 194 ++++++++++++++++++++++++++++++++++
2 files changed, 195 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..5355b94
--- /dev/null
+++ b/drivers/soc/zte/zx296718_pm_domains.c
@@ -0,0 +1,194 @@
+/*
+ * Copyright (C) 2015 ZTE Ltd.
+ *
+ * Author: Baoyou Xie <baoyou.xie@...aro.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,
+ .polarity = PWREN,
+ .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,
+ .polarity = PWREN,
+ .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,
+ .polarity = PWREN,
+ .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,
+ .polarity = PWREN,
+ .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,
+ .polarity = PWREN,
+ .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,
+ .polarity = PWREN,
+ .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,
+ .polarity = PWREN,
+ .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,
+ .polarity = PWREN,
+ .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,
+ .polarity = PWREN,
+ .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,
+ .polarity = PWREN,
+ .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,
+ .polarity = PWREN,
+ .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,
+ .polarity = PWREN,
+ .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
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