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Message-ID: <1531904055.4416.2.camel@mtkswgap22>
Date: Wed, 18 Jul 2018 16:54:15 +0800
From: Mars Cheng <mars.cheng@...iatek.com>
To: Sean Wang <sean.wang@...iatek.com>
CC: Matthias Brugger <matthias.bgg@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Marc Zyngier <marc.zyngier@....com>,
Ryder Lee <ryder.lee@...iatek.com>,
Stephen Boyd <sboyd@...nel.org>,
CC Hwang <cc.hwang@...iatek.com>,
Loda Chou <loda.chou@...iatek.com>,
<linux-kernel@...r.kernel.org>,
<linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
<wsd_upstream@...iatek.com>, <linux-serial@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-clk@...r.kernel.org>, Owen Chen <owen.chen@...iatek.com>
Subject: Re: [PATCH v5 04/11] soc: mediatek: add MT6765 scpsys support
Hi Sean
On Tue, 2018-07-17 at 21:00 +0800, Sean Wang wrote:
> On Tue, 2018-07-17 at 16:52 +0800, Mars Cheng wrote:
> > This adds scpsys support for MT6765
> >
>
> it looks like 4/11 have to depend on 6/11 and 7/11 to get a full function on scpsys for MT6765.
>
> you should keep dependency in order to submit these patches
>
Got it, will reorder the sequence.
> > Signed-off-by: Mars Cheng <mars.cheng@...iatek.com>
> > Signed-off-by: Owen Chen <owen.chen@...iatek.com>
> > ---
> > drivers/soc/mediatek/mtk-scpsys.c | 88 ++++++++++++++++++++++++++++++
> > include/dt-bindings/power/mt6765-power.h | 14 +++++
> > 2 files changed, 102 insertions(+)
> > create mode 100644 include/dt-bindings/power/mt6765-power.h
> >
> > diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c
> > index 5b24bb4..4bb6c7a 100644
> > --- a/drivers/soc/mediatek/mtk-scpsys.c
> > +++ b/drivers/soc/mediatek/mtk-scpsys.c
> > @@ -23,6 +23,7 @@
> >
> > #include <dt-bindings/power/mt2701-power.h>
> > #include <dt-bindings/power/mt2712-power.h>
> > +#include <dt-bindings/power/mt6765-power.h>
> > #include <dt-bindings/power/mt6797-power.h>
> > #include <dt-bindings/power/mt7622-power.h>
> > #include <dt-bindings/power/mt7623a-power.h>
> > @@ -680,6 +681,79 @@ static void mtk_register_power_domains(struct platform_device *pdev,
> > };
> >
> > /*
> > + * MT6765 power domain support
> > + */
> > +#define SPM_PWR_STATUS_MT6765 0x0180
> > +#define SPM_PWR_STATUS_2ND_MT6765 0x0184
> > +
> > +static const struct scp_domain_data scp_domain_data_mt6765[] = {
> > + [MT6765_POWER_DOMAIN_VCODEC] = {
> > + .name = "vcodec",
> > + .sta_mask = BIT(26),
> > + .ctl_offs = 0x300,
> > + .sram_pdn_bits = GENMASK(8, 8),
> > + .sram_pdn_ack_bits = GENMASK(12, 12),
> > + },
> > + [MT6765_POWER_DOMAIN_ISP] = {
> > + .name = "isp",
> > + .sta_mask = BIT(5),
> > + .ctl_offs = 0x308,
> > + .sram_pdn_bits = GENMASK(8, 8),
> > + .sram_pdn_ack_bits = GENMASK(12, 12),
> > + },
> > + [MT6765_POWER_DOMAIN_MM] = {
> > + .name = "mm",
> > + .sta_mask = BIT(3),
> > + .ctl_offs = 0x30C,
> > + .sram_pdn_bits = GENMASK(8, 8),
> > + .sram_pdn_ack_bits = GENMASK(12, 12),
> > + },
> > + [MT6765_POWER_DOMAIN_CONN] = {
> > + .name = "conn",
> > + .sta_mask = BIT(1),
> > + .ctl_offs = 0x32C,
> > + .sram_pdn_bits = 0,
> > + .sram_pdn_ack_bits = 0,
> > + },
> > + [MT6765_POWER_DOMAIN_MFG_ASYNC] = {
> > + .name = "mfg_async",
> > + .sta_mask = BIT(23),
> > + .ctl_offs = 0x334,
> > + .sram_pdn_bits = 0,
> > + .sram_pdn_ack_bits = 0,
> > + },
> > + [MT6765_POWER_DOMAIN_MFG] = {
> > + .name = "mfg",
> > + .sta_mask = BIT(4),
> > + .ctl_offs = 0x338,
> > + .sram_pdn_bits = GENMASK(8, 8),
> > + .sram_pdn_ack_bits = GENMASK(12, 12),
> > + },
> > + [MT6765_POWER_DOMAIN_CAM] = {
> > + .name = "cam",
> > + .sta_mask = BIT(25),
> > + .ctl_offs = 0x344,
> > + .sram_pdn_bits = GENMASK(8, 9),
> > + .sram_pdn_ack_bits = GENMASK(12, 13),
> > + },
> > + [MT6765_POWER_DOMAIN_MFG_CORE0] = {
> > + .name = "mfg_core0",
> > + .sta_mask = BIT(7),
> > + .ctl_offs = 0x34C,
> > + .sram_pdn_bits = GENMASK(8, 8),
> > + .sram_pdn_ack_bits = GENMASK(12, 12),
> > + },
>
> Above power domains really don't require any clock controlled with
> clk_id before any access on them?
>
Yes, already sync with Owen, they are lost. will add them.
Thanks.
> > +};
> > +
> > +static const struct scp_subdomain scp_subdomain_mt6765[] = {
> > + {MT6765_POWER_DOMAIN_MM, MT6765_POWER_DOMAIN_CAM},
> > + {MT6765_POWER_DOMAIN_MM, MT6765_POWER_DOMAIN_ISP},
> > + {MT6765_POWER_DOMAIN_MM, MT6765_POWER_DOMAIN_VCODEC},
> > + {MT6765_POWER_DOMAIN_MFG_ASYNC, MT6765_POWER_DOMAIN_MFG},
> > + {MT6765_POWER_DOMAIN_MFG, MT6765_POWER_DOMAIN_MFG_CORE0},
> > +};
> > +
> > +/*
> > * MT6797 power domain support
> > */
> >
> > @@ -962,6 +1036,17 @@ static void mtk_register_power_domains(struct platform_device *pdev,
> > .bus_prot_reg_update = false,
> > };
> >
> > +static const struct scp_soc_data mt6765_data = {
> > + .domains = scp_domain_data_mt6765,
> > + .num_domains = ARRAY_SIZE(scp_domain_data_mt6765),
> > + .subdomains = scp_subdomain_mt6765,
> > + .num_subdomains = ARRAY_SIZE(scp_subdomain_mt6765),
> > + .regs = {
> > + .pwr_sta_offs = SPM_PWR_STATUS_MT6765,
> > + .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND_MT6765,
> > + },
> > +};
> > +
> > static const struct scp_soc_data mt6797_data = {
> > .domains = scp_domain_data_mt6797,
> > .num_domains = ARRAY_SIZE(scp_domain_data_mt6797),
> > @@ -1018,6 +1103,9 @@ static void mtk_register_power_domains(struct platform_device *pdev,
> > .compatible = "mediatek,mt2712-scpsys",
> > .data = &mt2712_data,
> > }, {
> > + .compatible = "mediatek,mt6765-scpsys",
> > + .data = &mt6765_data,
> > + }, {
> > .compatible = "mediatek,mt6797-scpsys",
> > .data = &mt6797_data,
> > }, {
> > diff --git a/include/dt-bindings/power/mt6765-power.h b/include/dt-bindings/power/mt6765-power.h
> > new file mode 100644
> > index 0000000..d347b4e
> > --- /dev/null
> > +++ b/include/dt-bindings/power/mt6765-power.h
> > @@ -0,0 +1,14 @@
> > +/* SPDX-License-Identifier: GPL-2.0 */
> > +#ifndef _DT_BINDINGS_POWER_MT6765_POWER_H
> > +#define _DT_BINDINGS_POWER_MT6765_POWER_H
> > +
> > +#define MT6765_POWER_DOMAIN_CONN 0
> > +#define MT6765_POWER_DOMAIN_MM 1
> > +#define MT6765_POWER_DOMAIN_MFG_ASYNC 2
> > +#define MT6765_POWER_DOMAIN_ISP 3
> > +#define MT6765_POWER_DOMAIN_MFG 4
> > +#define MT6765_POWER_DOMAIN_MFG_CORE0 5
> > +#define MT6765_POWER_DOMAIN_CAM 6
> > +#define MT6765_POWER_DOMAIN_VCODEC 7
> > +
> > +#endif /* _DT_BINDINGS_POWER_MT6765_POWER_H */
>
>
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