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| author | AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> | 2022-07-04 12:13:13 +0200 |
|---|---|---|
| committer | Matthias Brugger <matthias.bgg@gmail.com> | 2022-07-07 16:41:19 +0200 |
| commit | 37242cb97afa653fd65d184c216dffa109cfc54b (patch) | |
| tree | 23cb7589a66768408b999917017dd8f8388689dd | |
| parent | 5eb2e303ec6b8923adf61eba130f711196de7fd5 (diff) | |
| download | linux-stable-37242cb97afa653fd65d184c216dffa109cfc54b.tar.gz linux-stable-37242cb97afa653fd65d184c216dffa109cfc54b.zip | |
arm64: dts: mediatek: cherry: Add platform regulators layout and config
Add the regulators layout for this platform, including the basic power
rails controlled by the EC (and/or always on).
Moreover, include the MT6359 PMIC devicetree and add some configuration
for its regulators, essential to keep the machine alive after booting.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Link: https://lore.kernel.org/r/20220704101321.44835-4-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
| -rw-r--r-- | arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi index 7406d7bbf725..f4c3d33843a7 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi @@ -5,6 +5,7 @@ #include <dt-bindings/gpio/gpio.h> #include "mt8195.dtsi" +#include "mt6359.dtsi" / { aliases { @@ -19,6 +20,109 @@ device_type = "memory"; reg = <0 0x40000000 0 0x80000000>; }; + + /* system wide LDO 3.3V power rail */ + pp3300_z5: regulator-pp3300-ldo-z5 { + compatible = "regulator-fixed"; + regulator-name = "pp3300_ldo_z5"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&ppvar_sys>; + }; + + /* separately switched 3.3V power rail */ + pp3300_s3: regulator-pp3300-s3 { + compatible = "regulator-fixed"; + regulator-name = "pp3300_s3"; + /* automatically sequenced by PMIC EXT_PMIC_EN2 */ + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&pp3300_z2>; + }; + + /* system wide 3.3V power rail */ + pp3300_z2: regulator-pp3300-z2 { + compatible = "regulator-fixed"; + regulator-name = "pp3300_z2"; + /* EN pin tied to pp4200_z2, which is controlled by EC */ + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&ppvar_sys>; + }; + + /* system wide 4.2V power rail */ + pp4200_z2: regulator-pp4200-z2 { + compatible = "regulator-fixed"; + regulator-name = "pp4200_z2"; + /* controlled by EC */ + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <4200000>; + regulator-max-microvolt = <4200000>; + vin-supply = <&ppvar_sys>; + }; + + /* system wide switching 5.0V power rail */ + pp5000_s5: regulator-pp5000-s5 { + compatible = "regulator-fixed"; + regulator-name = "pp5000_s5"; + /* controlled by EC */ + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + vin-supply = <&ppvar_sys>; + }; + + /* system wide semi-regulated power rail from battery or USB */ + ppvar_sys: regulator-ppvar-sys { + compatible = "regulator-fixed"; + regulator-name = "ppvar_sys"; + regulator-always-on; + regulator-boot-on; + }; +}; + +/* for CPU-L */ +&mt6359_vcore_buck_reg { + regulator-always-on; +}; + +/* for CORE */ +&mt6359_vgpu11_buck_reg { + regulator-always-on; +}; + +&mt6359_vgpu11_sshub_buck_reg { + regulator-always-on; + regulator-min-microvolt = <550000>; + regulator-max-microvolt = <550000>; +}; + +/* for CORE SRAM */ +&mt6359_vpu_buck_reg { + regulator-always-on; +}; + +&mt6359_vrf12_ldo_reg { + regulator-always-on; +}; + +/* for GPU SRAM */ +&mt6359_vsram_others_ldo_reg { + regulator-always-on; + regulator-min-microvolt = <750000>; + regulator-max-microvolt = <750000>; +}; + +&mt6359_vufs_ldo_reg { + regulator-always-on; }; &uart0 { |