--- /dev/null
+From c6711565985f359d7d3c05f01f081e4c216902de Mon Sep 17 00:00:00 2001
+From: Shunli Wang <shunli.wang@mediatek.com>
+Date: Wed, 30 Dec 2015 14:41:46 +0800
+Subject: [PATCH 05/53] soc: mediatek: Add MT2701/MT7623 scpsys driver
+
+Add scpsys driver for MT2701 and MT7623.
+
+Signed-off-by: Shunli Wang <shunli.wang@mediatek.com>
+Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
+---
+ drivers/soc/mediatek/Kconfig | 11 ++
+ drivers/soc/mediatek/Makefile | 1 +
+ drivers/soc/mediatek/mtk-scpsys-mt2701.c | 161 ++++++++++++++++++++++++++++++
+ 3 files changed, 173 insertions(+)
+ create mode 100644 drivers/soc/mediatek/mtk-scpsys-mt2701.c
+
+diff --git a/drivers/soc/mediatek/Kconfig b/drivers/soc/mediatek/Kconfig
+index eca6fb7..92cf838 100644
+--- a/drivers/soc/mediatek/Kconfig
++++ b/drivers/soc/mediatek/Kconfig
+@@ -39,3 +39,14 @@ config MTK_SCPSYS_MT8173
+ driver.
+ The System Control Processor System (SCPSYS) has several power
+ management related tasks in the system.
++
++config MTK_SCPSYS_MT2701
++ bool "SCPSYS Support MediaTek MT2701 and MT7623"
++ depends on ARCH_MEDIATEK || COMPILE_TEST
++ select MTK_SCPSYS
++ default ARCH_MEDIATEK
++ help
++ Say yes here to add support for the MT2701/MT7623 SCPSYS power
++ domain driver.
++ The System Control Processor System (SCPSYS) has several power
++ management related tasks in the system.
+diff --git a/drivers/soc/mediatek/Makefile b/drivers/soc/mediatek/Makefile
+index 3b22baa..822986d 100644
+--- a/drivers/soc/mediatek/Makefile
++++ b/drivers/soc/mediatek/Makefile
+@@ -2,3 +2,4 @@ obj-$(CONFIG_MTK_INFRACFG) += mtk-infracfg.o
+ obj-$(CONFIG_MTK_PMIC_WRAP) += mtk-pmic-wrap.o
+ obj-$(CONFIG_MTK_SCPSYS) += mtk-scpsys.o
+ obj-$(CONFIG_MTK_SCPSYS_MT8173) += mtk-scpsys-mt8173.o
++obj-$(CONFIG_MTK_SCPSYS_MT2701) += mtk-scpsys-mt2701.o
+diff --git a/drivers/soc/mediatek/mtk-scpsys-mt2701.c b/drivers/soc/mediatek/mtk-scpsys-mt2701.c
+new file mode 100644
+index 0000000..339d5b8
+--- /dev/null
++++ b/drivers/soc/mediatek/mtk-scpsys-mt2701.c
+@@ -0,0 +1,161 @@
++/*
++ * Copyright (c) 2015 Mediatek, Shunli Wang <shunli.wang@mediatek.com>
++ *
++ * 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,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ */
++#include <linux/mfd/syscon.h>
++#include <linux/module.h>
++#include <linux/of_device.h>
++#include <linux/pm_domain.h>
++#include <linux/soc/mediatek/infracfg.h>
++#include <dt-bindings/power/mt2701-power.h>
++
++#include "mtk-scpsys.h"
++
++#define SPM_VDE_PWR_CON 0x0210
++#define SPM_MFG_PWR_CON 0x0214
++#define SPM_ISP_PWR_CON 0x0238
++#define SPM_DIS_PWR_CON 0x023C
++#define SPM_CONN_PWR_CON 0x0280
++#define SPM_BDP_PWR_CON 0x029C
++#define SPM_ETH_PWR_CON 0x02A0
++#define SPM_HIF_PWR_CON 0x02A4
++#define SPM_IFR_MSC_PWR_CON 0x02A8
++#define SPM_PWR_STATUS 0x060c
++#define SPM_PWR_STATUS_2ND 0x0610
++
++#define CONN_PWR_STA_MASK BIT(1)
++#define DIS_PWR_STA_MASK BIT(3)
++#define MFG_PWR_STA_MASK BIT(4)
++#define ISP_PWR_STA_MASK BIT(5)
++#define VDE_PWR_STA_MASK BIT(7)
++#define BDP_PWR_STA_MASK BIT(14)
++#define ETH_PWR_STA_MASK BIT(15)
++#define HIF_PWR_STA_MASK BIT(16)
++#define IFR_MSC_PWR_STA_MASK BIT(17)
++
++#define MT2701_TOP_AXI_PROT_EN_CONN 0x0104
++#define MT2701_TOP_AXI_PROT_EN_DISP 0x0002
++
++static const struct scp_domain_data scp_domain_data[] = {
++ [MT2701_POWER_DOMAIN_CONN] = {
++ .name = "conn",
++ .sta_mask = CONN_PWR_STA_MASK,
++ .ctl_offs = SPM_CONN_PWR_CON,
++ .bus_prot_mask = MT2701_TOP_AXI_PROT_EN_CONN,
++ .active_wakeup = true,
++ },
++ [MT2701_POWER_DOMAIN_DISP] = {
++ .name = "disp",
++ .sta_mask = DIS_PWR_STA_MASK,
++ .ctl_offs = SPM_DIS_PWR_CON,
++ .sram_pdn_bits = GENMASK(11, 8),
++ .clk_id = {CLK_MM},
++ .bus_prot_mask = MT2701_TOP_AXI_PROT_EN_DISP,
++ .active_wakeup = true,
++ },
++ [MT2701_POWER_DOMAIN_MFG] = {
++ .name = "mfg",
++ .sta_mask = MFG_PWR_STA_MASK,
++ .ctl_offs = SPM_MFG_PWR_CON,
++ .sram_pdn_bits = GENMASK(11, 8),
++ .sram_pdn_ack_bits = GENMASK(12, 12),
++ .active_wakeup = true,
++ },
++ [MT2701_POWER_DOMAIN_VDEC] = {
++ .name = "vdec",
++ .sta_mask = VDE_PWR_STA_MASK,
++ .ctl_offs = SPM_VDE_PWR_CON,
++ .sram_pdn_bits = GENMASK(11, 8),
++ .sram_pdn_ack_bits = GENMASK(12, 12),
++ .clk_id = {CLK_MM},
++ .active_wakeup = true,
++ },
++ [MT2701_POWER_DOMAIN_ISP] = {
++ .name = "isp",
++ .sta_mask = ISP_PWR_STA_MASK,
++ .ctl_offs = SPM_ISP_PWR_CON,
++ .sram_pdn_bits = GENMASK(11, 8),
++ .sram_pdn_ack_bits = GENMASK(13, 12),
++ .active_wakeup = true,
++ },
++ [MT2701_POWER_DOMAIN_BDP] = {
++ .name = "bdp",
++ .sta_mask = BDP_PWR_STA_MASK,
++ .ctl_offs = SPM_BDP_PWR_CON,
++ .sram_pdn_bits = GENMASK(11, 8),
++ .active_wakeup = true,
++ },
++ [MT2701_POWER_DOMAIN_ETH] = {
++ .name = "eth",
++ .sta_mask = ETH_PWR_STA_MASK,
++ .ctl_offs = SPM_ETH_PWR_CON,
++ .sram_pdn_bits = GENMASK(11, 8),
++ .sram_pdn_ack_bits = GENMASK(15, 12),
++ .active_wakeup = true,
++ },
++ [MT2701_POWER_DOMAIN_HIF] = {
++ .name = "hif",
++ .sta_mask = HIF_PWR_STA_MASK,
++ .ctl_offs = SPM_HIF_PWR_CON,
++ .sram_pdn_bits = GENMASK(11, 8),
++ .sram_pdn_ack_bits = GENMASK(15, 12),
++ .active_wakeup = true,
++ },
++ [MT2701_POWER_DOMAIN_IFR_MSC] = {
++ .name = "ifr_msc",
++ .sta_mask = IFR_MSC_PWR_STA_MASK,
++ .ctl_offs = SPM_IFR_MSC_PWR_CON,
++ .active_wakeup = true,
++ },
++};
++
++#define NUM_DOMAINS ARRAY_SIZE(scp_domain_data)
++
++static int __init scpsys_probe(struct platform_device *pdev)
++{
++ struct scp *scp;
++
++ scp = init_scp(pdev, scp_domain_data, NUM_DOMAINS);
++ if (IS_ERR(scp))
++ return PTR_ERR(scp);
++
++ mtk_register_power_domains(pdev, scp, NUM_DOMAINS);
++
++ return 0;
++}
++
++static const struct of_device_id of_scpsys_match_tbl[] = {
++ {
++ .compatible = "mediatek,mt2701-scpsys",
++ }, {
++ /* sentinel */
++ }
++};
++MODULE_DEVICE_TABLE(of, of_scpsys_match_tbl);
++
++static struct platform_driver scpsys_drv = {
++ .driver = {
++ .name = "mtk-scpsys-mt2701",
++ .owner = THIS_MODULE,
++ .of_match_table = of_match_ptr(of_scpsys_match_tbl),
++ },
++ .probe = scpsys_probe,
++};
++
++static int __init scpsys_init(void)
++{
++ return platform_driver_register(&scpsys_drv);
++}
++
++subsys_initcall(scpsys_init);
++
++MODULE_DESCRIPTION("MediaTek MT2701 scpsys driver");
++MODULE_LICENSE("GPL v2");
+--
+1.7.10.4
+
projects / openwrt / openwrt.git / blobdiff