Message ID | 1594285927-1840-2-git-send-email-neal.liu@mediatek.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | [v2,1/2] dt-bindings: devapc: add bindings for mtk-devapc | expand |
On 09/07/2020 11:12, Neal Liu wrote: > Add bindings for mtk-devapc. > > Signed-off-by: Neal Liu <neal.liu@mediatek.com> > --- > .../devicetree/bindings/soc/mediatek/devapc.yaml | 82 ++++++++++++++++++++ > 1 file changed, 82 insertions(+) > create mode 100644 Documentation/devicetree/bindings/soc/mediatek/devapc.yaml > > diff --git a/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml b/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml > new file mode 100644 > index 0000000..f08243e > --- /dev/null > +++ b/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml > @@ -0,0 +1,82 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +# # Copyright 2020 MediaTek Inc. > +%YAML 1.2 > +--- > +$id: "http://devicetree.org/schemas/soc/mediatek/devapc.yaml#" > +$schema: "http://devicetree.org/meta-schemas/core.yaml#" > + > +title: MediaTek Device Access Permission Control driver > + > +description: | > + MediaTek bus fabric provides TrustZone security support and data > + protection to prevent slaves from being accessed by unexpected masters. > + The security violation is logged and sent to the processor for further > + analysis and countermeasures. > + > +maintainers: > + - Neal Liu <neal.liu@mediatek.com> > + > +properties: > + compatible: > + enum: > + - mediatek,mt6779-devapc > + > + reg: > + description: The base address of devapc register bank > + maxItems: 1 > + > + interrupts: > + description: A single interrupt specifier > + maxItems: 1 > + > + clocks: > + description: Contains module clock source and clock names > + maxItems: 1 > + > + clock-names: > + description: Names of the clocks list in clocks property > + maxItems: 1 > + > + mediatek-slv_type_num: > + description: Numbers of slave type in mediatek platform > + maxItems: 1 This should go in the DT data, have a look for example at: https://elixir.bootlin.com/linux/latest/source/drivers/soc/mediatek/mtk-pmic-wrap.c#L1842 and https://elixir.bootlin.com/linux/latest/source/drivers/soc/mediatek/mtk-pmic-wrap.c#L1777 > + > + mediatek-vio_dbgs: > + description: The mask bit and start bit of devapc violation debug registers > + maxItems: 5 > + same here > + mediatek-pds_offset: > + description: The offset of devapc pds registers > + maxItems: 1 same here > + > +required: > + - compatible > + - reg > + - interrupts > + - clocks > + - clock-names > + - mediatek-slv_type_num > + - mediatek-vio_dbgs > + - mediatek-pds_offset > + > +examples: > + - | > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + #include <dt-bindings/clock/mt6779-clk.h> > + > + devapc: devapc@10207000 { > + compatible = "mediatek,mt6779-devapc"; > + reg = <0x10207000 0x1000>; > + interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_LOW>; > + clocks = <&infracfg_ao CLK_INFRA_DEVICE_APC>; > + clock-names = "devapc-infra-clock"; > + > + mediatek-slv_type_num = /bits/ 8 <1>; > + mediatek-vio_dbgs = <0x0000FFFF 0x0>, > + <0x003F0000 0x10>, > + <0x00400000 0x16>, > + <0x00800000 0x17>, > + <0x0F000000 0x18>; > + mediatek-pds_offset = <0x0 0x400 0x900 0x904 > + 0xF00 0xF10 0xF14 0xF20>; > + }; >
On Fri, 2020-07-10 at 18:41 +0800, Matthias Brugger wrote: > > On 09/07/2020 11:12, Neal Liu wrote: > > Add bindings for mtk-devapc. > > > > Signed-off-by: Neal Liu <neal.liu@mediatek.com> > > --- > > .../devicetree/bindings/soc/mediatek/devapc.yaml | 82 ++++++++++++++++++++ > > 1 file changed, 82 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/soc/mediatek/devapc.yaml > > > > diff --git a/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml b/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml > > new file mode 100644 > > index 0000000..f08243e > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml > > @@ -0,0 +1,82 @@ > > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > > +# # Copyright 2020 MediaTek Inc. > > +%YAML 1.2 > > +--- > > +$id: "https://urldefense.com/v3/__http://devicetree.org/schemas/soc/mediatek/devapc.yaml*__;Iw!!CTRNKA9wMg0ARbw!1TwSriUtXU2ZjXdZkLODgduBZYDtG23ix3jRxqvN3bdfV29MaK0FUZ5OrDu7VDBq$ " > > +$schema: "https://urldefense.com/v3/__http://devicetree.org/meta-schemas/core.yaml*__;Iw!!CTRNKA9wMg0ARbw!1TwSriUtXU2ZjXdZkLODgduBZYDtG23ix3jRxqvN3bdfV29MaK0FUZ5OrNG2oecr$ " > > + > > +title: MediaTek Device Access Permission Control driver > > + > > +description: | > > + MediaTek bus fabric provides TrustZone security support and data > > + protection to prevent slaves from being accessed by unexpected masters. > > + The security violation is logged and sent to the processor for further > > + analysis and countermeasures. > > + > > +maintainers: > > + - Neal Liu <neal.liu@mediatek.com> > > + > > +properties: > > + compatible: > > + enum: > > + - mediatek,mt6779-devapc > > + > > + reg: > > + description: The base address of devapc register bank > > + maxItems: 1 > > + > > + interrupts: > > + description: A single interrupt specifier > > + maxItems: 1 > > + > > + clocks: > > + description: Contains module clock source and clock names > > + maxItems: 1 > > + > > + clock-names: > > + description: Names of the clocks list in clocks property > > + maxItems: 1 > > + > > + mediatek-slv_type_num: > > + description: Numbers of slave type in mediatek platform > > + maxItems: 1 > > This should go in the DT data, have a look for example at: > https://urldefense.com/v3/__https://elixir.bootlin.com/linux/latest/source/drivers/soc/mediatek/mtk-pmic-wrap.c*L1842__;Iw!!CTRNKA9wMg0ARbw!1TwSriUtXU2ZjXdZkLODgduBZYDtG23ix3jRxqvN3bdfV29MaK0FUZ5OrGIX64pv$ > and > https://urldefense.com/v3/__https://elixir.bootlin.com/linux/latest/source/drivers/soc/mediatek/mtk-pmic-wrap.c*L1777__;Iw!!CTRNKA9wMg0ARbw!1TwSriUtXU2ZjXdZkLODgduBZYDtG23ix3jRxqvN3bdfV29MaK0FUZ5OrFN70av_$ > Okay, I'll try to follow this example. > > + > > + mediatek-vio_dbgs: > > + description: The mask bit and start bit of devapc violation debug registers > > + maxItems: 5 > > + > > same here > > > + mediatek-pds_offset: > > + description: The offset of devapc pds registers > > + maxItems: 1 > > same here > > > + > > +required: > > + - compatible > > + - reg > > + - interrupts > > + - clocks > > + - clock-names > > + - mediatek-slv_type_num > > + - mediatek-vio_dbgs > > + - mediatek-pds_offset > > + > > +examples: > > + - | > > + #include <dt-bindings/interrupt-controller/arm-gic.h> > > + #include <dt-bindings/clock/mt6779-clk.h> > > + > > + devapc: devapc@10207000 { > > + compatible = "mediatek,mt6779-devapc"; > > + reg = <0x10207000 0x1000>; > > + interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_LOW>; > > + clocks = <&infracfg_ao CLK_INFRA_DEVICE_APC>; > > + clock-names = "devapc-infra-clock"; > > + > > + mediatek-slv_type_num = /bits/ 8 <1>; > > + mediatek-vio_dbgs = <0x0000FFFF 0x0>, > > + <0x003F0000 0x10>, > > + <0x00400000 0x16>, > > + <0x00800000 0x17>, > > + <0x0F000000 0x18>; > > + mediatek-pds_offset = <0x0 0x400 0x900 0x904 > > + 0xF00 0xF10 0xF14 0xF20>; > > + }; > > > > _______________________________________________ > Linux-mediatek mailing list > Linux-mediatek@lists.infradead.org > https://urldefense.com/v3/__http://lists.infradead.org/mailman/listinfo/linux-mediatek__;!!CTRNKA9wMg0ARbw!1TwSriUtXU2ZjXdZkLODgduBZYDtG23ix3jRxqvN3bdfV29MaK0FUZ5OrOXSJ2_W$
diff --git a/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml b/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml new file mode 100644 index 0000000..f08243e --- /dev/null +++ b/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml @@ -0,0 +1,82 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# # Copyright 2020 MediaTek Inc. +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/soc/mediatek/devapc.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: MediaTek Device Access Permission Control driver + +description: | + MediaTek bus fabric provides TrustZone security support and data + protection to prevent slaves from being accessed by unexpected masters. + The security violation is logged and sent to the processor for further + analysis and countermeasures. + +maintainers: + - Neal Liu <neal.liu@mediatek.com> + +properties: + compatible: + enum: + - mediatek,mt6779-devapc + + reg: + description: The base address of devapc register bank + maxItems: 1 + + interrupts: + description: A single interrupt specifier + maxItems: 1 + + clocks: + description: Contains module clock source and clock names + maxItems: 1 + + clock-names: + description: Names of the clocks list in clocks property + maxItems: 1 + + mediatek-slv_type_num: + description: Numbers of slave type in mediatek platform + maxItems: 1 + + mediatek-vio_dbgs: + description: The mask bit and start bit of devapc violation debug registers + maxItems: 5 + + mediatek-pds_offset: + description: The offset of devapc pds registers + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - mediatek-slv_type_num + - mediatek-vio_dbgs + - mediatek-pds_offset + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/mt6779-clk.h> + + devapc: devapc@10207000 { + compatible = "mediatek,mt6779-devapc"; + reg = <0x10207000 0x1000>; + interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_LOW>; + clocks = <&infracfg_ao CLK_INFRA_DEVICE_APC>; + clock-names = "devapc-infra-clock"; + + mediatek-slv_type_num = /bits/ 8 <1>; + mediatek-vio_dbgs = <0x0000FFFF 0x0>, + <0x003F0000 0x10>, + <0x00400000 0x16>, + <0x00800000 0x17>, + <0x0F000000 0x18>; + mediatek-pds_offset = <0x0 0x400 0x900 0x904 + 0xF00 0xF10 0xF14 0xF20>; + };
Add bindings for mtk-devapc. Signed-off-by: Neal Liu <neal.liu@mediatek.com> --- .../devicetree/bindings/soc/mediatek/devapc.yaml | 82 ++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/mediatek/devapc.yaml