From mboxrd@z Thu Jan 1 00:00:00 1970 From: Amelie Delaunay Subject: [PATCH v2 0/7] Introduce STMFX I2C Multi-Function eXpander Date: Wed, 19 Sep 2018 15:27:42 +0200 Message-ID: <1537363669-25991-1-git-send-email-amelie.delaunay@st.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-kernel-owner@vger.kernel.org To: Lee Jones , Linus Walleij , Rob Herring , Mark Rutland , Alexandre Torgue , Maxime Coquelin Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, Amelie Delaunay List-Id: devicetree@vger.kernel.org This series adds support for STMicroelectronics Multi-Function eXpander (STMFX), used on some STM32 discovery and evaluation boards. STMFX is an STM32L152 slave controller whose firmware embeds the following features: - I/O expander (16 GPIOs + 8 extra if the other features are not enabled), - resistive touchscreen controller, - IDD measurement. I2C stuff and chip initialization is based on an MFD parent driver, which registers a pinctrl MFD child. --- Changes in v2: - move to MFD parent driver for i2c stuff and chip initialization - improve regmap configuration - take advantage of the use of gpio-ranges Amelie Delaunay (7): dt-bindings: mfd: Add ST Multi-Function eXpander (STMFX) core bindings mfd: Add ST Multi-Function eXpander (STMFX) core driver dt-bindings: pinctrl: document the STMFX pinctrl bindings pinctrl: Add STMFX GPIO expander Pinctrl/GPIO driver ARM: dts: stm32: add STMFX support on stm32746g-eval ARM: dts: stm32: add joystick support on stm32746g-eval ARM: dts: stm32: add orange and blue leds on stm32746g-eval Documentation/devicetree/bindings/mfd/stmfx.txt | 28 + .../devicetree/bindings/pinctrl/pinctrl-stmfx.txt | 116 +++ arch/arm/boot/dts/stm32746g-eval.dts | 66 ++ drivers/mfd/Kconfig | 14 + drivers/mfd/Makefile | 2 +- drivers/mfd/stmfx.c | 626 ++++++++++++++++ drivers/pinctrl/Kconfig | 12 + drivers/pinctrl/Makefile | 1 + drivers/pinctrl/pinctrl-stmfx.c | 821 +++++++++++++++++++++ include/linux/mfd/stmfx.h | 27 + 10 files changed, 1712 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/mfd/stmfx.txt create mode 100644 Documentation/devicetree/bindings/pinctrl/pinctrl-stmfx.txt create mode 100644 drivers/mfd/stmfx.c create mode 100644 drivers/pinctrl/pinctrl-stmfx.c create mode 100644 include/linux/mfd/stmfx.h -- 2.7.4