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mO920ri92XHERW4CRtRy/TP8f/SCMrmEjX8+th7cNjDRBNpK9+fD11zAXHqtkRi0xlZx7Kky/kGk4NFJaDKYvD2bjW39mzCb8zgsd0uM8R8= X-MS-Exchange-Transport-CrossTenantHeadersStamped: TY0PR03MB6425 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221223_003826_059077_D8E6B52F X-CRM114-Status: GOOD ( 19.08 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, 2022-11-25 at 11:27 +0800, garmin.chang wrote: > On Tue, 2022-10-04 at 10:19 +0200, AngeloGioacchino Del Regno wrote: > > Il 28/09/22 10:43, Garmin.Chang ha scritto: > > > Add domain control data including bus protection data size > > > change due to more protection steps in mt8188. > > > > > > Signed-off-by: Garmin.Chang > > > --- > > > drivers/soc/mediatek/mt8188-pm-domains.h | 623 > > > +++++++++++++++++++++++ > > > drivers/soc/mediatek/mtk-pm-domains.c | 5 + > > > include/linux/soc/mediatek/infracfg.h | 121 +++++ > > > 3 files changed, 749 insertions(+) > > > create mode 100644 drivers/soc/mediatek/mt8188-pm-domains.h > > > > > > diff --git a/drivers/soc/mediatek/mt8188-pm-domains.h > > > b/drivers/soc/mediatek/mt8188-pm-domains.h > > > new file mode 100644 > > > index 000000000000..63181f05457e > > > --- /dev/null > > > +++ b/drivers/soc/mediatek/mt8188-pm-domains.h > > > @@ -0,0 +1,623 @@ > > > +/* SPDX-License-Identifier: GPL-2.0-only */ > > > +/* > > > + * Copyright (c) 2022 MediaTek Inc. > > > + * Author: Garmin Chang > > > + */ > > > + > > > +#ifndef __SOC_MEDIATEK_MT8188_PM_DOMAINS_H > > > +#define __SOC_MEDIATEK_MT8188_PM_DOMAINS_H > > > + > > > +#include "mtk-pm-domains.h" > > > +#include > > > + > > > +/* > > > + * MT8188 power domain support > > > + */ > > > + > > > +static const struct scpsys_domain_data > > > scpsys_domain_data_mt8188[] > > > = { > > > + [MT8188_POWER_DOMAIN_MFG0] = { > > > + .name = "mfg0", > > > + .sta_mask = BIT(1), > > > + .ctl_offs = 0x300, > > > + .pwr_sta_offs = 0x174, > > > + .pwr_sta2nd_offs = 0x178, > > > + .sram_pdn_bits = BIT(8), > > > + .sram_pdn_ack_bits = BIT(12), > > > + .caps = MTK_SCPD_KEEP_DEFAULT_OFF | > > > MTK_SCPD_DOMAIN_SUPPLY, > > > + }, > > > + [MT8188_POWER_DOMAIN_MFG1] = { > > > + .name = "mfg1", > > > + .sta_mask = BIT(2), > > > + .ctl_offs = 0x304, > > > + .pwr_sta_offs = 0x174, > > > + .pwr_sta2nd_offs = 0x178, > > > + .sram_pdn_bits = BIT(8), > > > + .sram_pdn_ack_bits = BIT(12), > > > + .bp_infracfg = { > > > + BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MFG1_STEP1, > > > + MT8188_TOP_AXI_PROT_EN_SET, > > > + MT8188_TOP_AXI_PROT_EN_CLR, > > > + MT8188_TOP_AXI_PROT_EN_STA), > > > + BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_MFG1_STEP2 > > > , > > > + MT8188_TOP_AXI_PROT_EN_2_SET, > > > + MT8188_TOP_AXI_PROT_EN_2_CLR, > > > + MT8188_TOP_AXI_PROT_EN_2_STA), > > > + BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_1_MFG1_STEP3 > > > , > > > + MT8188_TOP_AXI_PROT_EN_1_SET, > > > + MT8188_TOP_AXI_PROT_EN_1_CLR, > > > + MT8188_TOP_AXI_PROT_EN_1_STA), > > > + BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_MFG1_STEP4 > > > , > > > + MT8188_TOP_AXI_PROT_EN_2_SET, > > > + MT8188_TOP_AXI_PROT_EN_2_CLR, > > > + MT8188_TOP_AXI_PROT_EN_2_STA), > > > + BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MFG1_STEP5, > > > + MT8188_TOP_AXI_PROT_EN_SET, > > > + MT8188_TOP_AXI_PROT_EN_CLR, > > > + MT8188_TOP_AXI_PROT_EN_STA), > > > + BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VD > > > NR_MFG1_STEP6, > > > + MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VD > > > NR_SET, > > > + MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VD > > > NR_CLR, > > > + MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VD > > > NR_STA), > > > + }, > > > + .caps = MTK_SCPD_KEEP_DEFAULT_OFF, > > > > Please add MTK_SCPD_DOMAIN_SUPPLY cap to MFG1 as well. > > For more information, please look at: > > 13bde169c6fe ("soc: mediatek: mtk-pm-domains: Allow probing vreg > > supply on two MFGs") > > > > Regards, > > Angelo > > > > Thank you for your suggestion. > > Accroding to /sys/kernel/debug/pm_genpd/pm_genpd_summary, mfg0 is the > parent of mfg1 and mfg1 is the parent of mfg2, mfg3 and mfg4. > Before the devices power on mfg2, mfg3 and mfg4, system will power on > mfg1 first. Also before the devices power on mfg1, system will power > on > mfg0 first. > Because mfg0 is the root of mfg1, mfg2, mfg3 and mfg4 and > MTK_SCPD_DOMAIN_SUPPLY is configured on mfg0, so > MTK_SCPD_DOMAIN_SUPPLY > is also applied on mfg1, mfg2, mfg3 and mfg4. > > Thanks, > Best Regards, > Garmin I will apply 13bde169c6fe ("soc: mediatek: mtk-pm-domains: Allow probing vreg supply on two MFGs") in next verion. > Thanks, > Best Regards, > Garmin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel