diff options
Diffstat (limited to 'Documentation/devicetree/bindings/soc/mediatek/pwrap.txt')
-rw-r--r-- | Documentation/devicetree/bindings/soc/mediatek/pwrap.txt | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt b/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt deleted file mode 100644 index 12e4b4260b40..000000000000 --- a/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt +++ /dev/null @@ -1,75 +0,0 @@ -MediaTek PMIC Wrapper Driver - -This document describes the binding for the MediaTek PMIC wrapper. - -On MediaTek SoCs the PMIC is connected via SPI. The SPI master interface -is not directly visible to the CPU, but only through the PMIC wrapper -inside the SoC. The communication between the SoC and the PMIC can -optionally be encrypted. Also a non standard Dual IO SPI mode can be -used to increase speed. - -IP Pairing - -on MT8135 the pins of some SoC internal peripherals can be on the PMIC. -The signals of these pins are routed over the SPI bus using the pwrap -bridge. In the binding description below the properties needed for bridging -are marked with "IP Pairing". These are optional on SoCs which do not support -IP Pairing - -Required properties in pwrap device node. -- compatible: - "mediatek,mt2701-pwrap" for MT2701/7623 SoCs - "mediatek,mt6765-pwrap" for MT6765 SoCs - "mediatek,mt6779-pwrap" for MT6779 SoCs - "mediatek,mt6797-pwrap" for MT6797 SoCs - "mediatek,mt6873-pwrap" for MT6873/8192 SoCs - "mediatek,mt7622-pwrap" for MT7622 SoCs - "mediatek,mt8135-pwrap" for MT8135 SoCs - "mediatek,mt8173-pwrap" for MT8173 SoCs - "mediatek,mt8183-pwrap" for MT8183 SoCs - "mediatek,mt8186-pwrap" for MT8186 SoCs - "mediatek,mt8188-pwrap", "mediatek,mt8195-pwrap" for MT8188 SoCs - "mediatek,mt8195-pwrap" for MT8195 SoCs - "mediatek,mt8365-pwrap" for MT8365 SoCs - "mediatek,mt8516-pwrap" for MT8516 SoCs -- interrupts: IRQ for pwrap in SOC -- reg-names: "pwrap" is required; "pwrap-bridge" is optional. - "pwrap": Main registers base - "pwrap-bridge": bridge base (IP Pairing) -- reg: Must contain an entry for each entry in reg-names. -- clock-names: Must include the following entries: - "spi": SPI bus clock - "wrap": Main module clock - "sys": Optional system module clock - "tmr": Optional timer module clock -- clocks: Must contain an entry for each entry in clock-names. - -Optional properities: -- reset-names: Some SoCs include the following entries: - "pwrap" - "pwrap-bridge" (IP Pairing) -- resets: Must contain an entry for each entry in reset-names. -- pmic: Using either MediaTek PMIC MFD as the child device of pwrap - See the following for child node definitions: - Documentation/devicetree/bindings/mfd/mt6397.txt - or the regulator-only device as the child device of pwrap, such as MT6380. - See the following definitions for such kinds of devices. - Documentation/devicetree/bindings/regulator/mt6380-regulator.txt - -Example: - pwrap: pwrap@1000f000 { - compatible = "mediatek,mt8135-pwrap"; - reg = <0 0x1000f000 0 0x1000>, - <0 0x11017000 0 0x1000>; - reg-names = "pwrap", "pwrap-bridge"; - interrupts = <GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>; - resets = <&infracfg MT8135_INFRA_PMIC_WRAP_RST>, - <&pericfg MT8135_PERI_PWRAP_BRIDGE_SW_RST>; - reset-names = "pwrap", "pwrap-bridge"; - clocks = <&clk26m>, <&clk26m>; - clock-names = "spi", "wrap"; - - pmic { - compatible = "mediatek,mt6397"; - }; - }; |