From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Glass Date: Fri, 19 May 2017 20:29:05 -0600 Subject: [U-Boot] OF_PLATDATA questions on rk3399 platfrom In-Reply-To: <591017B2.5010103@rock-chips.com> References: <591017B2.5010103@rock-chips.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Ziyuan, On 8 May 2017 at 01:01, Ziyuan wrote: > hi simon, > > I need to achieve emmc_phy physical address in driver, so that I can > configure phy in different scenarios (phy register address should be > 0xff77f780). see below: > sdhci: sdhci at fe330000 { > > phys = <&emmc_phy>; > phy-names = "phy_arasan"; > > }; > > grf: syscon at ff770000 { > reg = <0x0 0xff770000 0x0 0x10000>; > > emmc_phy: phy at f780 { > compatible = "rockchip,rk3399-emmc-phy"; > reg = <0xf780 0x24>; > #phy-cells = <0>; > status = "disabled"; > }; > }; > > AKA, I can't use libfdt if OF_PLATDATA is enabled, so how to get it? > At present this is not supported. I'm not quite sure how to support it, or at least the best way. Do you have ideas on what the C structure should be for this? Regards, Simon