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Message-Id: <1582992575.3.2@crapouillou.net>
Date: Sat, 29 Feb 2020 13:09:35 -0300
From: Paul Cercueil <paul@...pouillou.net>
To: "H. Nikolaus Schaller" <hns@...delico.com>
Cc: Paul Boddie <paul@...die.org.uk>, Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Ralf Baechle <ralf@...ux-mips.org>,
Paul Burton <paulburton@...nel.org>,
Miquel Raynal <miquel.raynal@...tlin.com>,
Andi Kleen <ak@...ux.intel.com>,
Kees Cook <keescook@...omium.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Geert Uytterhoeven <geert+renesas@...der.be>,
"Eric W. Biederman" <ebiederm@...ssion.com>,
devicetree@...r.kernel.org, linux-mips@...r.kernel.org,
linux-kernel@...r.kernel.org, letux-kernel@...nphoenux.org,
kernel@...a-handheld.com, stable@...r.kernel.org
Subject: Re: [PATCH v4 2/5] MIPS: DTS: CI20: fix PMU definitions for ACT8600
Hi Nikolaus,
Le ven., févr. 28, 2020 at 19:02, H. Nikolaus Schaller
<hns@...delico.com> a écrit :
> 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@...r.kernel.org
> Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>
> ---
> arch/mips/boot/dts/ingenic/ci20.dts | 48
> ++++++++++++++++++++---------
> 1 file changed, 33 insertions(+), 15 deletions(-)
>
> diff --git a/arch/mips/boot/dts/ingenic/ci20.dts
> b/arch/mips/boot/dts/ingenic/ci20.dts
> index 59c104289ece..44741e927d2b 100644
> --- a/arch/mips/boot/dts/ingenic/ci20.dts
> +++ b/arch/mips/boot/dts/ingenic/ci20.dts
> @@ -4,6 +4,8 @@
> #include "jz4780.dtsi"
> #include <dt-bindings/clock/ingenic,tcu.h>
> #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
This include should be in patch 3/5 where it's first used.
With that fixed:
Reviewed-by: Paul Cercueil <paul@...pouillou.net>
for the whole series.
Cheers,
-Paul
> +#include <dt-bindings/regulator/active-semi,8865-regulator.h>
>
> / {
> compatible = "img,ci20", "ingenic,jz4780";
> @@ -166,65 +168,81 @@
> reg = <0x5a>;
> status = "okay";
>
> +/*
> +Optional input supply properties:
> +- for act8600:
> + - vp1-supply: The input supply for DCDC_REG1
> + - vp2-supply: The input supply for DCDC_REG2
> + - vp3-supply: The input supply for DCDC_REG3
> + - inl-supply: The input supply for LDO_REG5, LDO_REG6, LDO_REG7
> and LDO_REG8
> + SUDCDC_REG4, LDO_REG9 and LDO_REG10 do not have separate supplies.
> +*/
> +
> 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
> + driver expecting that, REG9 outputs 1.8V.
> + Likely the CI20 uses a chip variant.
> + Since it 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;
> };
> };
> --
> 2.23.0
>
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