A23/A33 Q8 tablets have an X-Powers AXP223 PMIC connected via RSB. Its
regulators provide power to various parts of the SoC and the board.

Also add lcd regulator supply for simplefb and update the existing
vmmc-supply for mmc0.

Signed-off-by: Chen-Yu Tsai <w...@csie.org>
---
 arch/arm/boot/dts/sun8i-q8-common.dtsi | 83 +++++++++++++++++++++++++++++++++-
 1 file changed, 81 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/sun8i-q8-common.dtsi 
b/arch/arm/boot/dts/sun8i-q8-common.dtsi
index 1a69231d2da5..9d2b7e2f5975 100644
--- a/arch/arm/boot/dts/sun8i-q8-common.dtsi
+++ b/arch/arm/boot/dts/sun8i-q8-common.dtsi
@@ -56,7 +56,6 @@
                brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
                default-brightness-level = <8>;
                enable-gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
-               /* backlight is powered by AXP223 DC1SW */
        };
 
        chosen {
@@ -67,7 +66,7 @@
 &mmc0 {
        pinctrl-names = "default";
        pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_q8>;
-       vmmc-supply = <&reg_vcc3v0>;
+       vmmc-supply = <&reg_dcdc1>;
        bus-width = <4>;
        cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
        cd-inverted;
@@ -92,6 +91,82 @@
 
 &r_rsb {
        status = "okay";
+
+       axp22x: pmic@3a3 {
+               compatible = "x-powers,axp223";
+               reg = <0x3a3>;
+               interrupt-parent = <&nmi_intc>;
+               interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+               eldoin-supply = <&reg_dcdc1>;
+       };
+};
+
+#include "axp22x.dtsi"
+
+&reg_aldo1 {
+       regulator-always-on;
+       regulator-min-microvolt = <3000000>;
+       regulator-max-microvolt = <3000000>;
+       regulator-name = "vcc-io";
+};
+
+&reg_aldo2 {
+       regulator-always-on;
+       regulator-min-microvolt = <2350000>;
+       regulator-max-microvolt = <2650000>;
+       regulator-name = "vdd-dll";
+};
+
+&reg_aldo3 {
+       regulator-always-on;
+       regulator-min-microvolt = <2700000>;
+       regulator-max-microvolt = <3300000>;
+       regulator-name = "vcc-pll-avcc";
+};
+
+&reg_dc1sw {
+       regulator-min-microvolt = <3000000>;
+       regulator-max-microvolt = <3000000>;
+       regulator-name = "vcc-lcd";
+};
+
+&reg_dc5ldo {
+       regulator-always-on;
+       regulator-min-microvolt = <900000>;
+       regulator-max-microvolt = <1400000>;
+       regulator-name = "vdd-cpus";
+};
+
+&reg_dcdc1 {
+       regulator-always-on;
+       regulator-min-microvolt = <3000000>;
+       regulator-max-microvolt = <3000000>;
+       regulator-name = "vcc-3v0";
+};
+
+&reg_dcdc2 {
+       regulator-always-on;
+       regulator-min-microvolt = <900000>;
+       regulator-max-microvolt = <1400000>;
+       regulator-name = "vdd-sys";
+};
+
+&reg_dcdc3 {
+       regulator-always-on;
+       regulator-min-microvolt = <900000>;
+       regulator-max-microvolt = <1400000>;
+       regulator-name = "vdd-cpu";
+};
+
+&reg_dcdc5 {
+       regulator-always-on;
+       regulator-min-microvolt = <1500000>;
+       regulator-max-microvolt = <1500000>;
+       regulator-name = "vcc-dram";
+};
+
+&reg_rtc_ldo {
+       regulator-name = "vcc-rtc";
 };
 
 &r_uart {
@@ -99,3 +174,7 @@
        pinctrl-0 = <&r_uart_pins_a>;
        status = "okay";
 };
+
+&simplefb_lcd {
+       vcc-lcd-supply = <&reg_dc1sw>;
+};
-- 
2.6.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to