MIPS: DTS: CI20: fix PMU definitions for ACT8600
authorH. Nikolaus Schaller <hns@goldelico.com>
Fri, 6 Mar 2020 17:27:58 +0000 (18:27 +0100)
committerThomas Bogendoerfer <tsbogend@alpha.franken.de>
Sat, 7 Mar 2020 08:53:21 +0000 (09:53 +0100)
There is a ACT8600 on the CI20 board and the bindings of the
ACT8865 driver have changed without updating the CI20 device
tree. Therefore the PMU can not be probed successfully and
is running in power-on reset state.

Fix DT to match the latest act8865-regulator bindings.

Fixes: 73f2b940474d ("MIPS: CI20: DTS: Add I2C nodes")
Cc: stable@vger.kernel.org
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
arch/mips/boot/dts/ingenic/ci20.dts

index 37b93166bf22d17947aa878657d269d84bbdd097..8b5fb635c66f641da4b300452a4010274210eb33 100644 (file)
@@ -4,6 +4,7 @@
 #include "jz4780.dtsi"
 #include <dt-bindings/clock/ingenic,tcu.h>
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/regulator/active-semi,8865-regulator.h>
 
 / {
        compatible = "img,ci20", "ingenic,jz4780";
 
                regulators {
                        vddcore: SUDCDC1 {
-                               regulator-name = "VDDCORE";
+                               regulator-name = "DCDC_REG1";
                                regulator-min-microvolt = <1100000>;
                                regulator-max-microvolt = <1100000>;
                                regulator-always-on;
                        };
                        vddmem: SUDCDC2 {
-                               regulator-name = "VDDMEM";
+                               regulator-name = "DCDC_REG2";
                                regulator-min-microvolt = <1500000>;
                                regulator-max-microvolt = <1500000>;
                                regulator-always-on;
                        };
                        vcc_33: SUDCDC3 {
-                               regulator-name = "VCC33";
+                               regulator-name = "DCDC_REG3";
                                regulator-min-microvolt = <3300000>;
                                regulator-max-microvolt = <3300000>;
                                regulator-always-on;
                        };
                        vcc_50: SUDCDC4 {
-                               regulator-name = "VCC50";
+                               regulator-name = "SUDCDC_REG4";
                                regulator-min-microvolt = <5000000>;
                                regulator-max-microvolt = <5000000>;
                                regulator-always-on;
                        };
                        vcc_25: LDO_REG5 {
-                               regulator-name = "VCC25";
+                               regulator-name = "LDO_REG5";
                                regulator-min-microvolt = <2500000>;
                                regulator-max-microvolt = <2500000>;
                                regulator-always-on;
                        };
                        wifi_io: LDO_REG6 {
-                               regulator-name = "WIFIIO";
+                               regulator-name = "LDO_REG6";
                                regulator-min-microvolt = <2500000>;
                                regulator-max-microvolt = <2500000>;
                                regulator-always-on;
                        };
                        vcc_28: LDO_REG7 {
-                               regulator-name = "VCC28";
+                               regulator-name = "LDO_REG7";
                                regulator-min-microvolt = <2800000>;
                                regulator-max-microvolt = <2800000>;
                                regulator-always-on;
                        };
                        vcc_15: LDO_REG8 {
-                               regulator-name = "VCC15";
+                               regulator-name = "LDO_REG8";
                                regulator-min-microvolt = <1500000>;
                                regulator-max-microvolt = <1500000>;
                                regulator-always-on;
                        };
-                       vcc_18: LDO_REG9 {
-                               regulator-name = "VCC18";
-                               regulator-min-microvolt = <1800000>;
-                               regulator-max-microvolt = <1800000>;
+                       vrtc_18: LDO_REG9 {
+                               regulator-name = "LDO_REG9";
+                               /* Despite the datasheet stating 3.3V
+                                * for REG9 and the driver expecting that,
+                                * REG9 outputs 1.8V.
+                                * Likely the CI20 uses a proprietary
+                                * factory programmed chip variant.
+                                * Since this is a simple on/off LDO the
+                                * exact values do not matter.
+                                */
+                               regulator-min-microvolt = <3300000>;
+                               regulator-max-microvolt = <3300000>;
                                regulator-always-on;
                        };
                        vcc_11: LDO_REG10 {
-                               regulator-name = "VCC11";
-                               regulator-min-microvolt = <1100000>;
-                               regulator-max-microvolt = <1100000>;
+                               regulator-name = "LDO_REG10";
+                               regulator-min-microvolt = <1200000>;
+                               regulator-max-microvolt = <1200000>;
                                regulator-always-on;
                        };
                };