From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Ruehl Subject: IMX27: How to do 22k pull-up with the pinctrl ? Date: Mon, 11 Nov 2013 18:45:30 +0800 Message-ID: <5280B54A.1050503@gtsys.com.hk> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: devicetree@vger.kernel.org Hi, while I port the static code to the DT I step into the problem to set the PSCR for the sdhc2 ports to 22k pull-up I look for something like described in pinctrl/fsl,imx-pinctrl.txt the fsl,imx27-pinctrl only say 0/1 dis/enable pull up but not the strength. pinctrl_sdhc2_1: sdhc2-1 { fsl,pins = < MX27_PAD_SD2_D0__SD2_D0 0x1 MX27_PAD_SD2_D1__SD2_D1 0x1 MX27_PAD_SD2_D2__SD2_D2 0x1 MX27_PAD_SD2_D3__SD2_D3 0x1 MX27_PAD_SD2_CLK__SD2_CLK 0x1 MX27_PAD_SD2_CMD__SD2_CMD 0x1 >; }; its setup in board specific c-file /* 22k pull-up for sd2 pins */ reg = __raw_readw(MX27_IO_ADDRESS(MX27_SYSCTRL_BASE_ADDR + MX27_SYS_PSCR)); reg &= ~0xfff0; reg |= 0xfff0; __raw_writew(reg, MX27_IO_ADDRESS(MX27_SYSCTRL_BASE_ADDR + MX27_SYS_PSCR)); Any successions? Regards Chris -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html