arm: dts: mt7623: add mt6323.dtsi file

MediaTek produces various PMICs. Which one is used depends on the actual
circuit design. Instead of adding the correct PMIC node to every dts file
we instead add a new intermediate dtsi file which adds the PMIC node. For
those boards with the same PMIC, the intermediate mt6323.dtsi could be
reused to save more redundant nodes created on each board device-tree
files.

Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

3 files changed, 274 insertions, 4 deletions

diff --git a/arch/arm/boot/dts/mt6323.dtsi b/arch/arm/boot/dts/mt6323.dtsi
new file mode 100644
index 000000000000..7c783d6c750e
--- /dev/null
+++ b/arch/arm/boot/dts/mt6323.dtsi
@@ -0,0 +1,241 @@
+/*
+ * Copyright (c) 2017 MediaTek Inc.
+ * Author: John Crispin <john@phrozen.org>
+ *	   Sean Wang <sean.wang@mediatek.com>
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+&pwrap {
+	pmic: mt6323 {
+		compatible = "mediatek,mt6323";
+		interrupt-parent = <&pio>;
+		interrupts = <150 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+
+		mt6323regulator: mt6323regulator{
+			compatible = "mediatek,mt6323-regulator";
+
+			mt6323_vproc_reg: buck_vproc{
+				regulator-name = "vproc";
+				regulator-min-microvolt = < 700000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-ramp-delay = <12500>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+
+			mt6323_vsys_reg: buck_vsys{
+				regulator-name = "vsys";
+				regulator-min-microvolt = <1400000>;
+				regulator-max-microvolt = <2987500>;
+				regulator-ramp-delay = <25000>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+
+			mt6323_vpa_reg: buck_vpa{
+				regulator-name = "vpa";
+				regulator-min-microvolt = < 500000>;
+				regulator-max-microvolt = <3650000>;
+			};
+
+			mt6323_vtcxo_reg: ldo_vtcxo{
+				regulator-name = "vtcxo";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-enable-ramp-delay = <90>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+
+			mt6323_vcn28_reg: ldo_vcn28{
+				regulator-name = "vcn28";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-enable-ramp-delay = <185>;
+			};
+
+			mt6323_vcn33_bt_reg: ldo_vcn33_bt{
+				regulator-name = "vcn33_bt";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3600000>;
+				regulator-enable-ramp-delay = <185>;
+			};
+
+			mt6323_vcn33_wifi_reg: ldo_vcn33_wifi{
+				regulator-name = "vcn33_wifi";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3600000>;
+				regulator-enable-ramp-delay = <185>;
+			};
+
+			mt6323_va_reg: ldo_va{
+				regulator-name = "va";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-enable-ramp-delay = <216>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+
+			mt6323_vcama_reg: ldo_vcama{
+				regulator-name = "vcama";
+				regulator-min-microvolt = <1500000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-enable-ramp-delay = <216>;
+			};
+
+			mt6323_vio28_reg: ldo_vio28{
+				regulator-name = "vio28";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-enable-ramp-delay = <216>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+
+			mt6323_vusb_reg: ldo_vusb{
+				regulator-name = "vusb";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <216>;
+				regulator-boot-on;
+			};
+
+			mt6323_vmc_reg: ldo_vmc{
+				regulator-name = "vmc";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <36>;
+				regulator-boot-on;
+			};
+
+			mt6323_vmch_reg: ldo_vmch{
+				regulator-name = "vmch";
+				regulator-min-microvolt = <3000000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <36>;
+				regulator-boot-on;
+			};
+
+			mt6323_vemc3v3_reg: ldo_vemc3v3{
+				regulator-name = "vemc3v3";
+				regulator-min-microvolt = <3000000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <36>;
+				regulator-boot-on;
+			};
+
+			mt6323_vgp1_reg: ldo_vgp1{
+				regulator-name = "vgp1";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <216>;
+			};
+
+			mt6323_vgp2_reg: ldo_vgp2{
+				regulator-name = "vgp2";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3000000>;
+				regulator-enable-ramp-delay = <216>;
+			};
+
+			mt6323_vgp3_reg: ldo_vgp3{
+				regulator-name = "vgp3";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-enable-ramp-delay = <216>;
+			};
+
+			mt6323_vcn18_reg: ldo_vcn18{
+				regulator-name = "vcn18";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-enable-ramp-delay = <216>;
+			};
+
+			mt6323_vsim1_reg: ldo_vsim1{
+				regulator-name = "vsim1";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3000000>;
+				regulator-enable-ramp-delay = <216>;
+			};
+
+			mt6323_vsim2_reg: ldo_vsim2{
+				regulator-name = "vsim2";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3000000>;
+				regulator-enable-ramp-delay = <216>;
+			};
+
+			mt6323_vrtc_reg: ldo_vrtc{
+				regulator-name = "vrtc";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+
+			mt6323_vcamaf_reg: ldo_vcamaf{
+				regulator-name = "vcamaf";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <216>;
+			};
+
+			mt6323_vibr_reg: ldo_vibr{
+				regulator-name = "vibr";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <36>;
+			};
+
+			mt6323_vrf18_reg: ldo_vrf18{
+				regulator-name = "vrf18";
+				regulator-min-microvolt = <1825000>;
+				regulator-max-microvolt = <1825000>;
+				regulator-enable-ramp-delay = <187>;
+			};
+
+			mt6323_vm_reg: ldo_vm{
+				regulator-name = "vm";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-enable-ramp-delay = <216>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+
+			mt6323_vio18_reg: ldo_vio18{
+				regulator-name = "vio18";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-enable-ramp-delay = <216>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+
+			mt6323_vcamd_reg: ldo_vcamd{
+				regulator-name = "vcamd";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-enable-ramp-delay = <216>;
+			};
+
+			mt6323_vcamio_reg: ldo_vcamio{
+				regulator-name = "vcamio";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-enable-ramp-delay = <216>;
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/mt7623-evb.dts b/arch/arm/boot/dts/mt7623-evb.dts
index b60b41cad592..0686ad7298cb 100644
--- a/arch/arm/boot/dts/mt7623-evb.dts
+++ b/arch/arm/boot/dts/mt7623-evb.dts
@@ -14,6 +14,7 @@
 
 /dts-v1/;
 #include "mt7623.dtsi"
+#include "mt6323.dtsi"
 
 / {
 	model = "MediaTek MT7623 evaluation board";
@@ -23,6 +24,24 @@
 		stdout-path = &uart2;
 	};
 
+	cpus {
+		cpu0 {
+			proc-supply = <&mt6323_vproc_reg>;
+		};
+
+		cpu1 {
+			proc-supply = <&mt6323_vproc_reg>;
+		};
+
+		cpu2 {
+			proc-supply = <&mt6323_vproc_reg>;
+		};
+
+		cpu3 {
+			proc-supply = <&mt6323_vproc_reg>;
+		};
+	};
+
 	memory {
 		reg = <0 0x80000000 0 0x40000000>;
 	};
@@ -31,3 +50,13 @@
 &uart2 {
 	status = "okay";
 };
+
+&mmc0 {
+	vmmc-supply = <&mt6323_vemc3v3_reg>;
+	vqmmc-supply = <&mt6323_vio18_reg>;
+};
+
+&mmc1 {
+	vmmc-supply = <&mt6323_vmch_reg>;
+	vqmmc-supply = <&mt6323_vmc_reg>;
+};
diff --git a/arch/arm/boot/dts/mt7623.dtsi b/arch/arm/boot/dts/mt7623.dtsi
index 016e932e322c..937a55063f86 100644
--- a/arch/arm/boot/dts/mt7623.dtsi
+++ b/arch/arm/boot/dts/mt7623.dtsi
@@ -32,22 +32,22 @@
 		#size-cells = <0>;
 		enable-method = "mediatek,mt6589-smp";
 
-		cpu@0 {
+		cpu0: cpu@0 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a7";
 			reg = <0x0>;
 		};
-		cpu@1 {
+		cpu1: cpu@1 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a7";
 			reg = <0x1>;
 		};
-		cpu@2 {
+		cpu2: cpu@2 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a7";
 			reg = <0x2>;
 		};
-		cpu@3 {
+		cpu3: cpu@3 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a7";
 			reg = <0x3>;