From mboxrd@z Thu Jan 1 00:00:00 1970 From: iivanov@mm-sol.com (Ivan T. Ivanov) Date: Tue, 02 Jun 2015 12:26:48 +0300 Subject: [PATCH V2 1/1] ARM: dts: imx7d: add cortex-a7 coresight component In-Reply-To: <1433192081-1131-1-git-send-email-Frank.Li@freescale.com> References: <1433192081-1131-1-git-send-email-Frank.Li@freescale.com> Message-ID: <1433237208.6844.22.camel@mm-sol.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, On Tue, 2015-06-02 at 04:54 +0800, Frank.Li at freescale.com wrote: > > + > +???????etm at 3007d000 { > + compatible = "arm,coresight-etm3x", "arm,primecell"; > + reg = <0x3007d000 0x1000>; > + > + /* System will hang if added nosmp in kernel command line > + * without arm,primecell-periphid because amba bus try to > + * read id and core1 power off at this time. > + */ > + arm,primecell-periphid = <0xbb956>; I do have similar problem, but in my case it is APB clock which is missing during device creation time. And I don't know how to fix it. Adding Russell King as he's the maintainer of the arm,primecell bus. > + cpu = <&cpu1>; > + clocks = <&clks IMX7D_MAIN_AXI_ROOT_CLK>; > + clock-names = "apb_pclk"; Regards, Ivan