Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752263AbdHHIOR (ORCPT ); Tue, 8 Aug 2017 04:14:17 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:9769 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752173AbdHHINr (ORCPT ); Tue, 8 Aug 2017 04:13:47 -0400 From: Mars Cheng To: Matthias Brugger , Rob Herring , Stephen Boyd CC: , , , , Mars Cheng Subject: [PATCH v1 5/5] soc: mediatek: add MT6755 scpsys support Date: Tue, 8 Aug 2017 16:13:34 +0800 Message-ID: <1502180014-7995-6-git-send-email-mars.cheng@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1502180014-7995-1-git-send-email-mars.cheng@mediatek.com> References: <1502180014-7995-1-git-send-email-mars.cheng@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: 5586 Lines: 184 This adds scpsys support for MT6755 Signed-off-by: Mars Cheng --- 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 #include +#include #include #include @@ -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 + * + * 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