This adds scpsys support for MT6755
Signed-off-by: Mars Cheng <mars.cheng@xxxxxxxxxxxx>
---
drivers/soc/mediatek/mtk-scpsys.c | 116 ++++++++++++++++++++++++++++++
include/dt-bindings/power/mt6755-power.h | 26 +++++++
2 files changed, 142 insertions(+)
create mode 100644 include/dt-bindings/power/mt6755-power.h
diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c
index ceb2cc4..a745d23 100644
--- a/drivers/soc/mediatek/mtk-scpsys.c
+++ b/drivers/soc/mediatek/mtk-scpsys.c
@@ -21,6 +21,7 @@
#include <linux/soc/mediatek/infracfg.h>
#include <dt-bindings/power/mt2701-power.h>
+#include <dt-bindings/power/mt6755-power.h>
#include <dt-bindings/power/mt6797-power.h>
#include <dt-bindings/power/mt8173-power.h>
@@ -586,6 +587,118 @@ static int __init scpsys_probe_mt2701(struct platform_device *pdev)
}
/*
+ * MT6755 power domain support
+ */
+
+static const struct scp_domain_data scp_domain_data_mt6755[] = {
+ [MT6755_POWER_DOMAIN_VDEC] = {
+ .name = "vdec",
+ .sta_mask = PWR_STATUS_VDEC,
+ .ctl_offs = 0x300,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .clk_id = {CLK_VDEC},
+ },
+ [MT6755_POWER_DOMAIN_VENC] = {
+ .name = "venc",
+ .sta_mask = PWR_STATUS_VENC,
+ .ctl_offs = 0x304,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_MM},
+ },
+ [MT6755_POWER_DOMAIN_ISP] = {
+ .name = "isp",
+ .sta_mask = PWR_STATUS_ISP,
+ .ctl_offs = 0x308,
+ .sram_pdn_bits = GENMASK(9, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ .clk_id = {CLK_MM},
+ },
+ [MT6755_POWER_DOMAIN_MM] = {
+ .name = "mm",
+ .sta_mask = PWR_STATUS_DISP,
+ .ctl_offs = 0x30C,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .clk_id = {CLK_MM},
+ .bus_prot_mask = BIT(1),
+ },
+ [MT6755_POWER_DOMAIN_AUDIO] = {
+ .name = "audio",
+ .sta_mask = PWR_STATUS_AUDIO,
+ .ctl_offs = 0x314,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_NONE},
+ },
+ [MT6755_POWER_DOMAIN_MFG_ASYNC] = {
+ .name = "mfg_async",
+ .sta_mask = PWR_STATUS_MFG_ASYNC,
+ .ctl_offs = 0x334,
+ .sram_pdn_bits = 0,
+ .sram_pdn_ack_bits = 0,
+ .clk_id = {CLK_MFG},
+ },
+ [MT6755_POWER_DOMAIN_MFG] = {
+ .name = "mfg",
+ .sta_mask = PWR_STATUS_MFG,
+ .ctl_offs = 0x338,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(16, 16),
+ .clk_id = {CLK_NONE},
+ .bus_prot_mask = BIT(21),
+ },
+};
+
+#define NUM_DOMAINS_MT6755 ARRAY_SIZE(scp_domain_data_mt6755)
+#define SPM_PWR_STATUS_MT6755 0x0180
+#define SPM_PWR_STATUS_2ND_MT6755 0x0184
+
+static int __init scpsys_probe_mt6755(struct platform_device *pdev)
+{
+ struct scp *scp;
+ struct genpd_onecell_data *pd_data;
+ int ret;
+ struct scp_ctrl_reg scp_reg;
+
+ scp_reg.pwr_sta_offs = SPM_PWR_STATUS_MT6755;
+ scp_reg.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND_MT6755;
+
+ scp = init_scp(pdev, scp_domain_data_mt6755, NUM_DOMAINS_MT6755,
+ &scp_reg);
+ if (IS_ERR(scp))
+ return PTR_ERR(scp);
+
+ mtk_register_power_domains(pdev, scp, NUM_DOMAINS_MT6755);
+
+ pd_data = &scp->pd_data;
+
+ ret = pm_genpd_add_subdomain(pd_data->domains[MT6755_POWER_DOMAIN_MM],
+ pd_data->domains[MT6755_POWER_DOMAIN_VDEC]);
+ if (ret && IS_ENABLED(CONFIG_PM))
+ dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
+
+ ret = pm_genpd_add_subdomain(pd_data->domains[MT6755_POWER_DOMAIN_MM],
+ pd_data->domains[MT6755_POWER_DOMAIN_ISP]);
+ if (ret && IS_ENABLED(CONFIG_PM))
+ dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
+
+ ret = pm_genpd_add_subdomain(pd_data->domains[MT6755_POWER_DOMAIN_MM],
+ pd_data->domains[MT6797_POWER_DOMAIN_VENC]);
+ if (ret && IS_ENABLED(CONFIG_PM))
+ dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
+
+ ret = pm_genpd_add_subdomain(
+ pd_data->domains[MT6755_POWER_DOMAIN_MFG_ASYNC],
+ pd_data->domains[MT6755_POWER_DOMAIN_MFG]);
+ if (ret && IS_ENABLED(CONFIG_PM))
+ dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
+
+ return 0;
+}
+
+/*
* MT6797 power domain support
*/
@@ -832,6 +945,9 @@ static int __init scpsys_probe_mt8173(struct platform_device *pdev)
.compatible = "mediatek,mt2701-scpsys",
.data = scpsys_probe_mt2701,
}, {
+ .compatible = "mediatek,mt6755-scpsys",
+ .data = scpsys_probe_mt6755,
+ }, {
.compatible = "mediatek,mt6797-scpsys",
.data = scpsys_probe_mt6797,
}, {
diff --git a/include/dt-bindings/power/mt6755-power.h b/include/dt-bindings/power/mt6755-power.h
new file mode 100644
index 0000000..4f9aaf4
--- /dev/null
+++ b/include/dt-bindings/power/mt6755-power.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2017 MediaTek Inc.
+ * Author: Mars.C <mars.cheng@xxxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _DT_BINDINGS_POWER_MT6755_POWER_H
+#define _DT_BINDINGS_POWER_MT6755_POWER_H
+
+#define MT6755_POWER_DOMAIN_VDEC 0
+#define MT6755_POWER_DOMAIN_VENC 1
+#define MT6755_POWER_DOMAIN_ISP 2
+#define MT6755_POWER_DOMAIN_MM 3
+#define MT6755_POWER_DOMAIN_AUDIO 4
+#define MT6755_POWER_DOMAIN_USB 5
+#define MT6755_POWER_DOMAIN_MFG_ASYNC 6
+#define MT6755_POWER_DOMAIN_MFG 7
+
+#endif /* _DT_BINDINGS_POWER_MT6755_POWER_H */
--
1.7.9.5
--
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