diff options
Diffstat (limited to 'Documentation/devicetree/bindings/power')
4 files changed, 110 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power/amlogic,meson-gx-pwrc.txt b/Documentation/devicetree/bindings/power/amlogic,meson-gx-pwrc.txt new file mode 100644 index 000000000000..1cd050b4054c --- /dev/null +++ b/Documentation/devicetree/bindings/power/amlogic,meson-gx-pwrc.txt @@ -0,0 +1,61 @@ +Amlogic Meson Power Controller +============================== + +The Amlogic Meson SoCs embeds an internal Power domain controller. + +VPU Power Domain +---------------- + +The Video Processing Unit power domain is controlled by this power controller, +but the domain requires some external resources to meet the correct power +sequences. +The bindings must respect the power domain bindings as described in the file +power_domain.txt + +Device Tree Bindings: +--------------------- + +Required properties: +- compatible: should be "amlogic,meson-gx-pwrc-vpu" for the Meson GX SoCs +- #power-domain-cells: should be 0 +- amlogic,hhi-sysctrl: phandle to the HHI sysctrl node +- resets: phandles to the reset lines needed for this power demain sequence + as described in ../reset/reset.txt +- clocks: from common clock binding: handle to VPU and VAPB clocks +- clock-names: from common clock binding: must contain "vpu", "vapb" + corresponding to entry in the clocks property. + +Parent node should have the following properties : +- compatible: "amlogic,meson-gx-ao-sysctrl", "syscon", "simple-mfd" +- reg: base address and size of the AO system control register space. + +Example: +------- + +ao_sysctrl: sys-ctrl@0 { + compatible = "amlogic,meson-gx-ao-sysctrl", "syscon", "simple-mfd"; + reg = <0x0 0x0 0x0 0x100>; + + pwrc_vpu: power-controller-vpu { + compatible = "amlogic,meson-gx-pwrc-vpu"; + #power-domain-cells = <0>; + amlogic,hhi-sysctrl = <&sysctrl>; + resets = <&reset RESET_VIU>, + <&reset RESET_VENC>, + <&reset RESET_VCBUS>, + <&reset RESET_BT656>, + <&reset RESET_DVIN_RESET>, + <&reset RESET_RDMA>, + <&reset RESET_VENCI>, + <&reset RESET_VENCP>, + <&reset RESET_VDAC>, + <&reset RESET_VDI6>, + <&reset RESET_VENCL>, + <&reset RESET_VID_LOCK>; + clocks = <&clkc CLKID_VPU>, + <&clkc CLKID_VAPB>; + clock-names = "vpu", "vapb"; + }; +}; + + diff --git a/Documentation/devicetree/bindings/power/renesas,apmu.txt b/Documentation/devicetree/bindings/power/renesas,apmu.txt index af21502e939c..f747f95eee58 100644 --- a/Documentation/devicetree/bindings/power/renesas,apmu.txt +++ b/Documentation/devicetree/bindings/power/renesas,apmu.txt @@ -8,6 +8,7 @@ Required properties: - compatible: Should be "renesas,<soctype>-apmu", "renesas,apmu" as fallback. Examples with soctypes are: - "renesas,r8a7743-apmu" (RZ/G1M) + - "renesas,r8a7745-apmu" (RZ/G1E) - "renesas,r8a7790-apmu" (R-Car H2) - "renesas,r8a7791-apmu" (R-Car M2-W) - "renesas,r8a7792-apmu" (R-Car V2H) diff --git a/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt b/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt index 98cc8c09d02d..8690f10426a3 100644 --- a/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt +++ b/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt @@ -17,6 +17,7 @@ Required properties: - "renesas,r8a7794-sysc" (R-Car E2) - "renesas,r8a7795-sysc" (R-Car H3) - "renesas,r8a7796-sysc" (R-Car M3-W) + - "renesas,r8a77970-sysc" (R-Car V3M) - "renesas,r8a77995-sysc" (R-Car D3) - reg: Address start and address range for the device. - #power-domain-cells: Must be 1. diff --git a/Documentation/devicetree/bindings/power/ti-smartreflex.txt b/Documentation/devicetree/bindings/power/ti-smartreflex.txt new file mode 100644 index 000000000000..9780957c9115 --- /dev/null +++ b/Documentation/devicetree/bindings/power/ti-smartreflex.txt @@ -0,0 +1,47 @@ +Texas Instruments SmartReflex binding + +SmartReflex is used to set and adjust the SoC operating points. + + +Required properties: + +compatible: Shall be one of the following: + "ti,omap3-smartreflex-core" + "ti,omap3-smartreflex-iva" + "ti,omap4-smartreflex-core" + "ti,omap4-smartreflex-mpu" + "ti,omap4-smartreflex-iva" + +reg: Shall contain the device instance IO range + +interrupts: Shall contain the device instance interrupt + + +Optional properties: + +ti,hwmods: Shall contain the TI interconnect module name if needed + by the SoC + + +Example: + + smartreflex_iva: smartreflex@4a0db000 { + compatible = "ti,omap4-smartreflex-iva"; + reg = <0x4a0db000 0x80>; + interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>; + ti,hwmods = "smartreflex_iva"; + }; + + smartreflex_core: smartreflex@4a0dd000 { + compatible = "ti,omap4-smartreflex-core"; + reg = <0x4a0dd000 0x80>; + interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>; + ti,hwmods = "smartreflex_core"; + }; + + smartreflex_mpu: smartreflex@4a0d9000 { + compatible = "ti,omap4-smartreflex-mpu"; + reg = <0x4a0d9000 0x80>; + interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>; + ti,hwmods = "smartreflex_mpu"; + }; |