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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Mar 03, 2020 at 10:14:48AM +0800, peng.fan@nxp.com wrote: > From: Peng Fan > > Add nvmem related property for cpu0, then nvmem API could be used > to read cpu speed grading to avoid directly read OCOTP registers > mapped which could not handle defer probe. > > Signed-off-by: Peng Fan > --- > arch/arm/boot/dts/imx6dl.dtsi | 2 ++ > arch/arm/boot/dts/imx6q.dtsi | 2 ++ > arch/arm/boot/dts/imx6qdl.dtsi | 7 +++++++ > arch/arm/boot/dts/imx6sl.dtsi | 9 +++++++++ > arch/arm/boot/dts/imx6sll.dtsi | 6 ++++++ > arch/arm/boot/dts/imx6sx.dtsi | 6 ++++++ > 6 files changed, 32 insertions(+) > > diff --git a/arch/arm/boot/dts/imx6dl.dtsi b/arch/arm/boot/dts/imx6dl.dtsi > index 4b3a128d9260..055f1d875bac 100644 > --- a/arch/arm/boot/dts/imx6dl.dtsi > +++ b/arch/arm/boot/dts/imx6dl.dtsi > @@ -44,6 +44,8 @@ > arm-supply = <®_arm>; > pu-supply = <®_pu>; > soc-supply = <®_soc>; > + nvmem-cells = <&cpu_speed_grade>; > + nvmem-cell-names = "speed_grade"; > }; > > cpu@1 { > diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi > index 0fad13f9d336..d3ba9d4a1290 100644 > --- a/arch/arm/boot/dts/imx6q.dtsi > +++ b/arch/arm/boot/dts/imx6q.dtsi > @@ -49,6 +49,8 @@ > arm-supply = <®_arm>; > pu-supply = <®_pu>; > soc-supply = <®_soc>; > + nvmem-cells = <&cpu_speed_grade>; > + nvmem-cell-names = "speed_grade"; > }; > > cpu1: cpu@1 { > diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi > index 70fb8b56b1d7..982f546b0b89 100644 > --- a/arch/arm/boot/dts/imx6qdl.dtsi > +++ b/arch/arm/boot/dts/imx6qdl.dtsi > @@ -1165,6 +1165,13 @@ > compatible = "fsl,imx6q-ocotp", "syscon"; > reg = <0x021bc000 0x4000>; > clocks = <&clks IMX6QDL_CLK_IIM>; > + Please drop such newline. Do not really think they are necessary. Shawn > + #address-cells = <1>; > + #size-cells = <1>; > + > + cpu_speed_grade: speed-grade@10 { > + reg = <0x10 4>; > + }; > }; > > tzasc@21d0000 { /* TZASC1 */ > diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi > index c8ec46fe8302..de943341e4f2 100644 > --- a/arch/arm/boot/dts/imx6sl.dtsi > +++ b/arch/arm/boot/dts/imx6sl.dtsi > @@ -74,6 +74,8 @@ > arm-supply = <®_arm>; > pu-supply = <®_pu>; > soc-supply = <®_soc>; > + nvmem-cells = <&cpu_speed_grade>; > + nvmem-cell-names = "speed_grade"; > }; > }; > > @@ -953,6 +955,13 @@ > compatible = "fsl,imx6sl-ocotp", "syscon"; > reg = <0x021bc000 0x4000>; > clocks = <&clks IMX6SL_CLK_OCOTP>; > + > + #address-cells = <1>; > + #size-cells = <1>; > + > + cpu_speed_grade: speed-grade@10 { > + reg = <0x10 4>; > + }; > }; > > audmux: audmux@21d8000 { > diff --git a/arch/arm/boot/dts/imx6sll.dtsi b/arch/arm/boot/dts/imx6sll.dtsi > index 797f850492fe..6b7fb3cec9f6 100644 > --- a/arch/arm/boot/dts/imx6sll.dtsi > +++ b/arch/arm/boot/dts/imx6sll.dtsi > @@ -72,6 +72,8 @@ > <&clks IMX6SLL_CLK_PLL1_SYS>; > clock-names = "arm", "pll2_pfd2_396m", "step", > "pll1_sw", "pll1_sys"; > + nvmem-cells = <&cpu_speed_grade>; > + nvmem-cell-names = "speed_grade"; > }; > }; > > @@ -791,6 +793,10 @@ > reg = <0x021bc000 0x4000>; > clocks = <&clks IMX6SLL_CLK_OCOTP>; > > + cpu_speed_grade: speed-grade@10 { > + reg = <0x10 4>; > + }; > + > tempmon_calib: calib@38 { > reg = <0x38 4>; > }; > diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi > index e47d346a3543..63aa19d81b42 100644 > --- a/arch/arm/boot/dts/imx6sx.dtsi > +++ b/arch/arm/boot/dts/imx6sx.dtsi > @@ -87,6 +87,8 @@ > "pll1_sw", "pll1_sys"; > arm-supply = <®_arm>; > soc-supply = <®_soc>; > + nvmem-cells = <&cpu_speed_grade>; > + nvmem-cell-names = "speed_grade"; > }; > }; > > @@ -1058,6 +1060,10 @@ > reg = <0x021bc000 0x4000>; > clocks = <&clks IMX6SX_CLK_OCOTP>; > > + cpu_speed_grade: speed-grade@10 { > + reg = <0x10 4>; > + }; > + > tempmon_calib: calib@38 { > reg = <0x38 4>; > }; > -- > 2.16.4 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel