Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752719AbbL3Gm4 (ORCPT ); Wed, 30 Dec 2015 01:42:56 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:52274 "EHLO mailgw02.mediatek.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751497AbbL3GmH (ORCPT ); Wed, 30 Dec 2015 01:42:07 -0500 X-Listener-Flag: 11101 From: James Liao To: Matthias Brugger , Sascha Hauer CC: Kevin Hilman , Daniel Kurtz , , , , , , Shunli Wang , James Liao Subject: [PATCH 4/4] soc: mediatek: Add MT2701/MT7623 scpsys driver Date: Wed, 30 Dec 2015 14:41:46 +0800 Message-ID: <1451457706-14798-5-git-send-email-jamesjj.liao@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1451457706-14798-1-git-send-email-jamesjj.liao@mediatek.com> References: <1451457706-14798-1-git-send-email-jamesjj.liao@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6574 Lines: 216 From: Shunli Wang Add scpsys driver for MT2701 and MT7623. Signed-off-by: Shunli Wang Signed-off-by: James Liao --- 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 + * + * 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 +#include +#include +#include +#include +#include + +#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"); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/