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Message-ID: <1531817552-17221-8-git-send-email-mars.cheng@mediatek.com>
Date: Tue, 17 Jul 2018 16:52:28 +0800
From: Mars Cheng <mars.cheng@...iatek.com>
To: Matthias Brugger <matthias.bgg@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Marc Zyngier <marc.zyngier@....com>,
Ryder Lee <ryder.lee@...iatek.com>,
Stephen Boyd <sboyd@...nel.org>,
Sean Wang <sean.wang@...iatek.com>
CC: CC Hwang <cc.hwang@...iatek.com>,
Loda Chou <loda.chou@...iatek.com>,
<linux-kernel@...r.kernel.org>,
<linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
<wsd_upstream@...iatek.com>, <linux-serial@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-clk@...r.kernel.org>, Mars Cheng <mars.cheng@...iatek.com>,
Owen Chen <owen.chen@...iatek.com>
Subject: [PATCH v5 07/11] soc: mediatek: add MT6765 subdomain support
add extend data, parent_n for domain-subdomain corresponse.
Signed-off-by: Mars Cheng <mars.cheng@...iatek.com>
Signed-off-by: Owen Chen <owen.chen@...iatek.com>
---
drivers/soc/mediatek/mtk-scpsys-ext.c | 132 ++++++++++++++++++++++++++++++++-
1 file changed, 131 insertions(+), 1 deletion(-)
diff --git a/drivers/soc/mediatek/mtk-scpsys-ext.c b/drivers/soc/mediatek/mtk-scpsys-ext.c
index 965e64d..e649a06 100644
--- a/drivers/soc/mediatek/mtk-scpsys-ext.c
+++ b/drivers/soc/mediatek/mtk-scpsys-ext.c
@@ -13,7 +13,7 @@
#include <linux/regmap.h>
#include <linux/soc/mediatek/infracfg.h>
#include <linux/soc/mediatek/scpsys-ext.h>
-
+#include <dt-bindings/power/mt6765-power.h>
#define MAX_CLKS 10
#define INFRA "infracfg"
@@ -65,6 +65,21 @@ struct bus_mask_ops {
u32 sta_ofs, u32 mask);
};
+static struct scpsys_ext_attr *__get_attr_node(const char *scpd_n)
+{
+ struct scpsys_ext_attr *attr;
+
+ if (!scpd_n)
+ return ERR_PTR(-EINVAL);
+
+ list_for_each_entry(attr, &ext_attr_map_list, attr_list) {
+ if (attr->scpd_n && !strcmp(scpd_n, attr->scpd_n))
+ return attr;
+ }
+
+ return ERR_PTR(-EINVAL);
+}
+
static struct scpsys_ext_attr *__get_attr_parent(const char *parent_n)
{
struct scpsys_ext_attr *attr;
@@ -353,8 +368,123 @@ int scpsys_ext_attr_init(const struct scpsys_ext_data *data)
return 0;
}
+/*
+ * MT6765 extend power domain support
+ */
+
+#define INFRA_TOPAXI_PROTECTEN_SET_MT6765 0x02A0
+#define INFRA_TOPAXI_PROTECTEN_STA1_MT6765 0x0228
+#define INFRA_TOPAXI_PROTECTEN_CLR_MT6765 0x02A4
+
+#define INFRA_TOPAXI_PROTECTEN_1_SET_MT6765 0x02A8
+#define INFRA_TOPAXI_PROTECTEN_STA1_1_MT6765 0x0258
+#define INFRA_TOPAXI_PROTECTEN_1_CLR_MT6765 0x02AC
+
+#define SMI_COMMON_SMI_CLAMP_MT6765 0x03C0
+#define SMI_COMMON_SMI_CLAMP_SET_MT6765 0x03C4
+#define SMI_COMMON_SMI_CLAMP_CLR_MT6765 0x03C8
+
+static struct ext_reg_ctrl infra_bus_regs_0_mt6765 = {
+ .type = IFR_TYPE,
+ .set_ofs = INFRA_TOPAXI_PROTECTEN_SET_MT6765,
+ .clr_ofs = INFRA_TOPAXI_PROTECTEN_CLR_MT6765,
+ .sta_ofs = INFRA_TOPAXI_PROTECTEN_STA1_MT6765,
+};
+
+#define BUS_IFR0_MT6765(_mask) { \
+ .regs = &infra_bus_regs_0_mt6765, \
+ .mask = _mask, \
+ .ops = &bus_mask_set_clr_ctrl, \
+ }
+
+static struct ext_reg_ctrl infra_bus_regs_1_mt6765 = {
+ .type = IFR_TYPE,
+ .set_ofs = INFRA_TOPAXI_PROTECTEN_1_SET_MT6765,
+ .clr_ofs = INFRA_TOPAXI_PROTECTEN_1_CLR_MT6765,
+ .sta_ofs = INFRA_TOPAXI_PROTECTEN_STA1_1_MT6765,
+};
+
+#define BUS_IFR1_MT6765(_mask) { \
+ .regs = &infra_bus_regs_1_mt6765, \
+ .mask = _mask, \
+ .ops = &bus_mask_set_clr_ctrl, \
+ }
+
+static struct ext_reg_ctrl smi_bus_regs_0_mt6765 = {
+ .type = SMI_TYPE,
+ .set_ofs = SMI_COMMON_SMI_CLAMP_SET_MT6765,
+ .clr_ofs = SMI_COMMON_SMI_CLAMP_CLR_MT6765,
+ .sta_ofs = SMI_COMMON_SMI_CLAMP_MT6765,
+};
+
+#define BUS_SMI0_MT6765(_mask) { \
+ .regs = &smi_bus_regs_0_mt6765, \
+ .mask = _mask, \
+ .ops = &bus_mask_set_clr_ctrl, \
+ }
+
+static struct scpsys_ext_attr scp_ext_attr_mt6765[] = {
+ [MT6765_POWER_DOMAIN_ISP] = {
+ .scpd_n = "isp",
+ .mask = {
+ BUS_IFR1_MT6765(BIT(20)),
+ BUS_SMI0_MT6765(BIT(2)),
+ },
+ .parent_n = "mm",
+ .bus_ops = &ext_bus_ctrl,
+ .cg_ops = &ext_cg_ctrl,
+ },
+ [MT6765_POWER_DOMAIN_MM] = {
+ .scpd_n = "mm",
+ .mask = {
+ BUS_IFR1_MT6765(BIT(16) | BIT(17)),
+ BUS_IFR0_MT6765(BIT(10) | BIT(11)),
+ BUS_IFR0_MT6765(BIT(1) | BIT(2)),
+ },
+ .bus_ops = &ext_bus_ctrl,
+ .cg_ops = &ext_cg_ctrl,
+ },
+ [MT6765_POWER_DOMAIN_CONN] = {
+ .scpd_n = "conn",
+ .mask = {
+ BUS_IFR0_MT6765(BIT(13)),
+ BUS_IFR1_MT6765(BIT(18)),
+ BUS_IFR0_MT6765(BIT(14) | BIT(16)),
+ },
+ .bus_ops = &ext_bus_ctrl,
+ },
+ [MT6765_POWER_DOMAIN_MFG] = {
+ .scpd_n = "mfg",
+ .mask = {
+ BUS_IFR0_MT6765(BIT(25)),
+ BUS_IFR0_MT6765(BIT(21) | BIT(22)),
+ },
+ .bus_ops = &ext_bus_ctrl,
+ },
+ [MT6765_POWER_DOMAIN_CAM] = {
+ .scpd_n = "cam",
+ .mask = {
+ BUS_IFR1_MT6765(BIT(19) | BIT(21)),
+ BUS_IFR0_MT6765(BIT(20)),
+ BUS_SMI0_MT6765(BIT(3)),
+ },
+ .parent_n = "mm",
+ .bus_ops = &ext_bus_ctrl,
+ .cg_ops = &ext_cg_ctrl,
+ },
+};
+
+static const struct scpsys_ext_data scp_ext_data_mt6765 = {
+ .attr = scp_ext_attr_mt6765,
+ .num_attr = ARRAY_SIZE(scp_ext_attr_mt6765),
+ .get_attr = __get_attr_node,
+};
+
static const struct of_device_id of_scpsys_ext_match_tbl[] = {
{
+ .compatible = "mediatek,mt6765-scpsys",
+ .data = &scp_ext_data_mt6765,
+ }, {
/* sentinel */
}
};
--
1.7.9.5
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