From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.z9.com ([64.142.101.243]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1U2WRj-0005FA-CT for barebox@lists.infradead.org; Tue, 05 Feb 2013 00:31:36 +0000 Received: from GPontisPC by z9.com (MDaemon PRO v12.5.8) with ESMTP id md50000244599.msg for ; Mon, 04 Feb 2013 16:31:25 -0800 From: "George Pontis" References: <004301ce030a$68506aa0$38f13fe0$@com> <1360004939.170907890@f389.i.mail.ru> In-Reply-To: <1360004939.170907890@f389.i.mail.ru> Date: Mon, 4 Feb 2013 16:31:20 -0800 Message-ID: <005301ce0338$1e5e1fe0$5b1a5fa0$@com> MIME-Version: 1.0 Content-Language: en-us List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: RE: i.MX53, add access to third I2C peripheral To: barebox@lists.infradead.org > -----Original Message----- > From: Alexander Shiyan [mailto:shc_work@mail.ru] > Sent: Monday, February 04, 2013 11:09 AM > To: George Pontis > Cc: barebox@lists.infradead.org > Subject: Re: i.MX53, add access to third I2C peripheral > > > All versions of the i.MX53 have three I2C peripherals. This patch > provides > > access to it. > ... > > +static inline struct device_d *imx53_add_i2c2(struct > i2c_platform_data > > *pdata) > > +{ > > + return imx_add_i2c((void *)MX53_I2C2_BASE_ADDR, 2, pdata); > > +} > > + > MX53_I2C3_BASE_ADDR ? > > --- Thanks for the correction Alex. I also forgot to handle the clock for this new peripheral. With both in place, a device on the third bus is recognized at boot and listed by devinfo. diff -Naur bb.a/arch/arm/mach-imx/include/mach/devices-imx53.h bb.b/arch/arm/mach-imx/include/mach/devic es-imx53.h --- bb.a/arch/arm/mach-imx/include/mach/devices-imx53.h 2013-02-04 06:24:51.000000000 -0800 +++ bb.b/arch/arm/mach-imx/include/mach/devices-imx53.h 2013-02-03 22:24:26.930091420 -0800 @@ -21,6 +21,11 @@ return imx_add_i2c((void *)MX53_I2C2_BASE_ADDR, 1, pdata); } +static inline struct device_d *imx53_add_i2c2(struct i2c_platform_data *pdata) +{ + return imx_add_i2c((void *)MX53_I2C3_BASE_ADDR, 2, pdata); +} + static inline struct device_d *imx53_add_uart0(void) { return imx_add_uart_imx21((void *)MX53_UART1_BASE_ADDR, 0); diff -Naur bb.a/arch/arm/mach-imx/clk-imx5.c bb.b/arch/arm/mach-imx/clk-imx5.c --- bb.a/arch/arm/mach-imx/clk-imx5.c 2013-02-04 06:24:51.000000000 -0800 +++ bb.b/arch/arm/mach-imx/clk-imx5.c 2013-02-04 16:14:04.729284183 -0800 @@ -272,6 +272,7 @@ clkdev_add_physbase(clks[uart_root], MX53_UART3_BASE_ADDR, NULL); clkdev_add_physbase(clks[per_root], MX53_I2C1_BASE_ADDR, NULL); clkdev_add_physbase(clks[per_root], MX53_I2C2_BASE_ADDR, NULL); + clkdev_add_physbase(clks[per_root], MX53_I2C3_BASE_ADDR, NULL); clkdev_add_physbase(clks[per_root], MX53_GPT1_BASE_ADDR, NULL); clkdev_add_physbase(clks[ipg], MX53_CSPI_BASE_ADDR, NULL); clkdev_add_physbase(clks[ecspi_podf], MX53_ECSPI1_BASE_ADDR, NULL); _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox