Re: [PATCH 2/9] dt-bindings: regulator: Add document for MediaTek MT6380 regulator
From: Rob Herring <robh@kernel.org>
Date: 2017-06-08 22:01:34
Also in:
linux-mediatek, lkml
On Sat, Jun 03, 2017 at 01:55:43AM +0800, sean.wang@mediatek.com wrote:
quoted hunk ↗ jump to hunk
From: Sean Wang <sean.wang@mediatek.com> add dt-binding document for MediaTek MT6380 PMIC Signed-off-by: Chenglin Xu <redacted> Signed-off-by: Sean Wang <sean.wang@mediatek.com> --- .../bindings/regulator/mt6380-regulator.txt | 90 ++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/mt6380-regulator.txtdiff --git a/Documentation/devicetree/bindings/regulator/mt6380-regulator.txt b/Documentation/devicetree/bindings/regulator/mt6380-regulator.txt new file mode 100644 index 0000000..9affeab --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mt6380-regulator.txt@@ -0,0 +1,90 @@ +Mediatek MT6380 Regulator Driver + +All voltage regulators are defined as subnodes of the regulators node. A list +of regulators provided by this controller are defined as subnodes of the +PMIC's node. Each regulator is named according to its regulator type, +buck_<name> and ldo_<name>. The definition for each of these nodes is defined +using the standard binding for regulators at +Documentation/devicetree/bindings/regulator/regulator.txt. + +The valid names for regulators are:: +BUCK: + buck_vcore1, buck_vcore, buck_vrf +LDO: + ldo_vmldo ,ldo_valdo , ldo_vphyldo, ldo_vddrldo, ldo_vtldo
'ldo' twice in every name is redundant. Use of '_' is discouraged, but if that's what prior PMICs did, it's okay.
+
+Example:
+
+ mt6380regulator: mt6380regulator {
just "regulators {"
+ compatible = "mediatek,mt6380-regulator";
+
+ mt6380_vcpu_reg: buck_vcore1 {
+ regulator-name = "vcpu";
+ regulator-min-microvolt = < 600000>;
+ regulator-max-microvolt = <1393750>;
+ regulator-ramp-delay = <6250>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ mt6380_vcore_reg: buck_vcore {
+ regulator-name = "vcore";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <1393750>;
+ regulator-ramp-delay = <6250>;
+ };
+
+ mt6380_vrf_reg: buck_vrf {
+ regulator-name = "vrf";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1575000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ mt6380_vm_reg: ldo_vmldo {
+ regulator-name = "vmldo";
+ regulator-min-microvolt = <1050000>;
+ regulator-max-microvolt = <1400000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ mt6380_va_reg: ldo_valdo {
+ regulator-name = "valdo";
+ regulator-min-microvolt = <2200000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ mt6380_vphy_reg: ldo_vphyldo {
+ regulator-name = "vphyldo";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ mt6380_vddr_reg: ldo_vddrldo {
+ regulator-name = "vddr";
+ regulator-min-microvolt = <1240000>;
+ regulator-max-microvolt = <1840000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ mt6380_vt_reg: ldo_vtldo {
+ regulator-name = "vadc18";
+ regulator-min-microvolt = <2200000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-ramp-delay = <0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+ };
--
1.9.1