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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id l184sm6711195ooc.10.2020.10.12.09.11.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Oct 2020 09:11:56 -0700 (PDT) Received: (nullmailer pid 1636788 invoked by uid 1000); Mon, 12 Oct 2020 16:11:56 -0000 Date: Mon, 12 Oct 2020 11:11:56 -0500 From: Rob Herring To: Daniel Palmer Subject: Re: [PATCH 2/5] dt-bindings: gpio: Add a binding header for the MSC313 GPIO driver Message-ID: <20201012161156.GA1635284@bogus> References: <20201011024831.3868571-1-daniel@0x0f.com> <20201011024831.3868571-3-daniel@0x0f.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201011024831.3868571-3-daniel@0x0f.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201012_121157_979276_E7A0AAF6 X-CRM114-Status: GOOD ( 27.88 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, Oct 11, 2020 at 11:48:28AM +0900, Daniel Palmer wrote: > The driver uses the pin names to find the right interrupt for > a pin from the device tree so this header reduces the need to > have multiple copies of the same string all over the place. > > This header also adds defines for the gpio number of each pin > from the driver view. The gpio block seems to support 128 lines > but what line is mapped to a physical pin depends on the chip. > The driver itself uses the index of a pin's offset in an array > of the possible offsets for a chip as the gpio number. > > The defines remove the need to work out that index to consume > a pin in the device tree. > > Signed-off-by: Daniel Palmer > --- > MAINTAINERS | 1 + > include/dt-bindings/gpio/msc313-gpio.h | 95 ++++++++++++++++++++++++++ > 2 files changed, 96 insertions(+) > create mode 100644 include/dt-bindings/gpio/msc313-gpio.h This should be part of the previous patch to avoid the error. > > diff --git a/MAINTAINERS b/MAINTAINERS > index 4594b70f2e3a..ec5b49b9955f 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -2158,6 +2158,7 @@ F: Documentation/devicetree/bindings/arm/mstar/* > F: Documentation/devicetree/bindings/gpio/mstar,msc313-gpio.yaml > F: arch/arm/boot/dts/mstar-* > F: arch/arm/mach-mstar/ > +F: include/dt-bindings/gpio/msc313-gpio.h > > ARM/NEC MOBILEPRO 900/c MACHINE SUPPORT > M: Michael Petchkovsky > diff --git a/include/dt-bindings/gpio/msc313-gpio.h b/include/dt-bindings/gpio/msc313-gpio.h > new file mode 100644 > index 000000000000..655fe03de519 > --- /dev/null > +++ b/include/dt-bindings/gpio/msc313-gpio.h > @@ -0,0 +1,95 @@ > +/* SPDX-License-Identifier: GPL-2.0-only */ Don't use DT on non-GPL systems? > +/* > + * GPIO definitions for MStar/SigmaStar MSC313 and later SoCs > + * > + * Copyright (C) 2020 Daniel Palmer > + */ > + > +#ifndef _DT_BINDINGS_MSC313_GPIO_H > +#define _DT_BINDINGS_MSC313_GPIO_H > + > +/* pin names for fuart, same for all SoCs so far */ > +#define MSC313_PINNAME_FUART_RX "fuart_rx" > +#define MSC313_PINNAME_FUART_TX "fuart_tx" > +#define MSC313_PINNAME_FUART_CTS "fuart_cts" > +#define MSC313_PINNAME_FUART_RTS "fuart_rts" > + > +/* pin names for sr, mercury5 is different */ > +#define MSC313_PINNAME_SR_IO2 "sr_io2" > +#define MSC313_PINNAME_SR_IO3 "sr_io3" > +#define MSC313_PINNAME_SR_IO4 "sr_io4" > +#define MSC313_PINNAME_SR_IO5 "sr_io5" > +#define MSC313_PINNAME_SR_IO6 "sr_io6" > +#define MSC313_PINNAME_SR_IO7 "sr_io7" > +#define MSC313_PINNAME_SR_IO8 "sr_io8" > +#define MSC313_PINNAME_SR_IO9 "sr_io9" > +#define MSC313_PINNAME_SR_IO10 "sr_io10" > +#define MSC313_PINNAME_SR_IO11 "sr_io11" > +#define MSC313_PINNAME_SR_IO12 "sr_io12" > +#define MSC313_PINNAME_SR_IO13 "sr_io13" > +#define MSC313_PINNAME_SR_IO14 "sr_io14" > +#define MSC313_PINNAME_SR_IO15 "sr_io15" > +#define MSC313_PINNAME_SR_IO16 "sr_io16" > +#define MSC313_PINNAME_SR_IO17 "sr_io17" > + > +/* pin names for sd, same for all SoCs so far */ > +#define MSC313_PINNAME_SD_CLK "sd_clk" > +#define MSC313_PINNAME_SD_CMD "sd_cmd" > +#define MSC313_PINNAME_SD_D0 "sd_d0" > +#define MSC313_PINNAME_SD_D1 "sd_d1" > +#define MSC313_PINNAME_SD_D2 "sd_d2" > +#define MSC313_PINNAME_SD_D3 "sd_d3" > + > +/* pin names for i2c1, same for all SoCs so for */ > +#define MSC313_PINNAME_I2C1_SCL "i2c1_scl" > +#define MSC313_PINNAME_I2C1_SCA "i2c1_sda" > + > +/* pin names for spi0, same for all SoCs so far */ > +#define MSC313_PINNAME_SPI0_CZ "spi0_cz" > +#define MSC313_PINNAME_SPI0_CK "spi0_ck" > +#define MSC313_PINNAME_SPI0_DI "spi0_di" > +#define MSC313_PINNAME_SPI0_DO "spi0_do" > + > +#define MSC313_GPIO_FUART 0 > +#define MSC313_GPIO_FUART_RX (MSC313_GPIO_FUART + 0) > +#define MSC313_GPIO_FUART_TX (MSC313_GPIO_FUART + 1) > +#define MSC313_GPIO_FUART_CTS (MSC313_GPIO_FUART + 2) > +#define MSC313_GPIO_FUART_RTS (MSC313_GPIO_FUART + 3) > + > +#define MSC313_GPIO_SR (MSC313_GPIO_FUART_RTS + 1) > +#define MSC313_GPIO_SR_IO2 (MSC313_GPIO_SR + 0) > +#define MSC313_GPIO_SR_IO3 (MSC313_GPIO_SR + 1) > +#define MSC313_GPIO_SR_IO4 (MSC313_GPIO_SR + 2) > +#define MSC313_GPIO_SR_IO5 (MSC313_GPIO_SR + 3) > +#define MSC313_GPIO_SR_IO6 (MSC313_GPIO_SR + 4) > +#define MSC313_GPIO_SR_IO7 (MSC313_GPIO_SR + 5) > +#define MSC313_GPIO_SR_IO8 (MSC313_GPIO_SR + 6) > +#define MSC313_GPIO_SR_IO9 (MSC313_GPIO_SR + 7) > +#define MSC313_GPIO_SR_IO10 (MSC313_GPIO_SR + 8) > +#define MSC313_GPIO_SR_IO11 (MSC313_GPIO_SR + 9) > +#define MSC313_GPIO_SR_IO12 (MSC313_GPIO_SR + 10) > +#define MSC313_GPIO_SR_IO13 (MSC313_GPIO_SR + 11) > +#define MSC313_GPIO_SR_IO14 (MSC313_GPIO_SR + 12) > +#define MSC313_GPIO_SR_IO15 (MSC313_GPIO_SR + 13) > +#define MSC313_GPIO_SR_IO16 (MSC313_GPIO_SR + 14) > +#define MSC313_GPIO_SR_IO17 (MSC313_GPIO_SR + 15) > + > +#define MSC313_GPIO_SD (MSC313_GPIO_SR_IO17 + 1) > +#define MSC313_GPIO_SD_CLK (MSC313_GPIO_SD + 0) > +#define MSC313_GPIO_SD_CMD (MSC313_GPIO_SD + 1) > +#define MSC313_GPIO_SD_D0 (MSC313_GPIO_SD + 2) > +#define MSC313_GPIO_SD_D1 (MSC313_GPIO_SD + 3) > +#define MSC313_GPIO_SD_D2 (MSC313_GPIO_SD + 4) > +#define MSC313_GPIO_SD_D3 (MSC313_GPIO_SD + 5) > + > +#define MSC313_GPIO_I2C1 (MSC313_GPIO_SD_D3 + 1) > +#define MSC313_GPIO_I2C1_SCL (MSC313_GPIO_I2C1 + 0) > +#define MSC313_GPIO_I2C1_SDA (MSC313_GPIO_I2C1 + 1) > + > +#define MSC313_GPIO_SPI0 (MSC313_GPIO_I2C1_SDA + 1) > +#define MSC313_GPIO_SPI0_CZ (MSC313_GPIO_SPI0 + 0) > +#define MSC313_GPIO_SPI0_CK (MSC313_GPIO_SPI0 + 1) > +#define MSC313_GPIO_SPI0_DI (MSC313_GPIO_SPI0 + 2) > +#define MSC313_GPIO_SPI0_DO (MSC313_GPIO_SPI0 + 3) > + > +#endif /* _DT_BINDINGS_MSC313_GPIO_H */ > -- > 2.27.0 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel