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Tue, 09 Apr 2019 11:07:10 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 4DD7F31; Tue, 9 Apr 2019 09:07:04 +0000 (GMT) Received: from Webmail-eu.st.com (sfhdag6node3.st.com [10.75.127.18]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 13E562748; Tue, 9 Apr 2019 09:07:04 +0000 (GMT) Received: from SFHDAG6NODE2.st.com (10.75.127.17) by SFHDAG6NODE3.st.com (10.75.127.18) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Tue, 9 Apr 2019 11:07:03 +0200 Received: from SFHDAG6NODE2.st.com ([fe80::a56f:c186:bab7:13d6]) by SFHDAG6NODE2.st.com ([fe80::a56f:c186:bab7:13d6%20]) with mapi id 15.00.1347.000; Tue, 9 Apr 2019 11:07:03 +0200 From: Pascal PAILLET-LME To: "mcoquelin.stm32@gmail.com" , Alexandre TORGUE , "robh+dt@kernel.org" , "mark.rutland@arm.com" , "linux@armlinux.org.uk" , "horms+renesas@verge.net.au" , "olof@lixom.net" , "arnd@arndb.de" , "geert+renesas@glider.be" , "biju.das@bp.renesas.com" , Yannick FERTRE , "m.szyprowski@samsung.com" , "linus.walleij@linaro.org" , "linux-stm32@st-md-mailman.stormreply.com" , "linux-arm-kernel@lists.infradead.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: [PATCH v2 2/3] ARM: dts: stm32: add stpmic1 support on stm32mp157a dk1 board Thread-Topic: [PATCH v2 2/3] ARM: dts: stm32: add stpmic1 support on stm32mp157a dk1 board Thread-Index: AQHU7rOZC+/rg+MUg028eou+9g6Okw== Date: Tue, 9 Apr 2019 09:07:03 +0000 Message-ID: <1554800820-5412-3-git-send-email-p.paillet@st.com> References: <1554800820-5412-1-git-send-email-p.paillet@st.com> In-Reply-To: <1554800820-5412-1-git-send-email-p.paillet@st.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.75.127.48] MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-04-09_03:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190409_020803_251554_914BE048 X-CRM114-Status: GOOD ( 15.62 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Pascal PAILLET-LME , "linux-stm32@st-md-mailman.stormreply.com" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds stpmic1 support on stm32mp157a dk1 board. The STPMIC1 is a PMIC from STMicroelectronics. The STPMIC1 integrates 10 regulators, 3 power switches, a watchdog and an input for a power on key. The DMAs are disabled because the PMIC generates a very few traffic and DMA channels may lack for other usage. Signed-off-by: Pascal Paillet Reviewed-by: Linus Walleij --- arch/arm/boot/dts/stm32mp157a-dk1.dts | 158 ++++++++++++++++++++++++++++++++-- 1 file changed, 150 insertions(+), 8 deletions(-) diff --git a/arch/arm/boot/dts/stm32mp157a-dk1.dts b/arch/arm/boot/dts/stm32mp157a-dk1.dts index 1b1886d..4bb91ab 100644 --- a/arch/arm/boot/dts/stm32mp157a-dk1.dts +++ b/arch/arm/boot/dts/stm32mp157a-dk1.dts @@ -9,6 +9,7 @@ #include "stm32mp157c.dtsi" #include "stm32mp157-pinctrl.dtsi" #include +#include / { model = "STMicroelectronics STM32MP157A-DK1 Discovery Board"; @@ -36,14 +37,6 @@ default-state = "off"; }; }; - - v3v3: regulator-3v3 { - compatible = "regulator-fixed"; - regulator-name = "v3v3"; - regulator-min-microvolt = <3300000>; - regulator-max-microvolt = <3300000>; - regulator-always-on; - }; }; ðernet0 { @@ -65,6 +58,155 @@ }; }; + +&i2c4 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c4_pins_a>; + i2c-scl-rising-time-ns = <185>; + i2c-scl-falling-time-ns = <20>; + status = "okay"; + /* spare dmas for other usage */ + /delete-property/dmas; + /delete-property/dma-names; + + pmic: stpmic@33 { + compatible = "st,stpmic1"; + reg = <0x33>; + interrupts-extended = <&gpioa 0 IRQ_TYPE_EDGE_FALLING>; + interrupt-controller; + #interrupt-cells = <2>; + status = "okay"; + + regulators { + compatible = "st,stpmic1-regulators"; + ldo1-supply = <&v3v3>; + ldo3-supply = <&vdd_ddr>; + ldo6-supply = <&v3v3>; + pwr_sw1-supply = <&bst_out>; + pwr_sw2-supply = <&bst_out>; + + vddcore: buck1 { + regulator-name = "vddcore"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + regulator-initial-mode = <0>; + regulator-over-current-protection; + }; + + vdd_ddr: buck2 { + regulator-name = "vdd_ddr"; + regulator-min-microvolt = <1350000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + regulator-initial-mode = <0>; + regulator-over-current-protection; + }; + + vdd: buck3 { + regulator-name = "vdd"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + st,mask-reset; + regulator-initial-mode = <0>; + regulator-over-current-protection; + }; + + v3v3: buck4 { + regulator-name = "v3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + regulator-over-current-protection; + regulator-initial-mode = <0>; + }; + + v1v8_audio: ldo1 { + regulator-name = "v1v8_audio"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + interrupts = ; + }; + + v3v3_hdmi: ldo2 { + regulator-name = "v3v3_hdmi"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + interrupts = ; + }; + + vtt_ddr: ldo3 { + regulator-name = "vtt_ddr"; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <750000>; + regulator-always-on; + regulator-over-current-protection; + }; + + vdd_usb: ldo4 { + regulator-name = "vdd_usb"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + interrupts = ; + }; + + vdda: ldo5 { + regulator-name = "vdda"; + regulator-min-microvolt = <2900000>; + regulator-max-microvolt = <2900000>; + interrupts = ; + regulator-boot-on; + }; + + v1v2_hdmi: ldo6 { + regulator-name = "v1v2_hdmi"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-always-on; + interrupts = ; + }; + + vref_ddr: vref_ddr { + regulator-name = "vref_ddr"; + regulator-always-on; + regulator-over-current-protection; + }; + + bst_out: boost { + regulator-name = "bst_out"; + interrupts = ; + }; + + vbus_otg: pwr_sw1 { + regulator-name = "vbus_otg"; + interrupts = ; + }; + + vbus_sw: pwr_sw2 { + regulator-name = "vbus_sw"; + interrupts = ; + regulator-active-discharge; + }; + }; + + onkey { + compatible = "st,stpmic1-onkey"; + interrupts = , ; + interrupt-names = "onkey-falling", "onkey-rising"; + power-off-time-sec = <10>; + status = "okay"; + }; + + watchdog { + compatible = "st,stpmic1-wdt"; + status = "disabled"; + }; + }; +}; + &ipcc { status = "okay"; };