2019-08-23 15:00:56

by Fancy Fang

[permalink] [raw]
Subject: [PATCH 1/2] ARM: dts: imx7ulp: remove mipi pll clock node

According to the IMX7ULP reference manual, the mipi pll
clock comes from the MIPI PHY PLL output. So it should
not be defined as a fixed clock. So remove this clock
node and all the references to it.

Signed-off-by: Fancy Fang <[email protected]>
---
arch/arm/boot/dts/imx7ulp.dtsi | 17 ++++-------------
1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/arch/arm/boot/dts/imx7ulp.dtsi b/arch/arm/boot/dts/imx7ulp.dtsi
index 6859a3a83750..a7e4004bf428 100644
--- a/arch/arm/boot/dts/imx7ulp.dtsi
+++ b/arch/arm/boot/dts/imx7ulp.dtsi
@@ -87,13 +87,6 @@
#clock-cells = <0>;
};

- mpll: clock-mpll {
- compatible = "fixed-clock";
- clock-frequency = <480000000>;
- clock-output-names = "mpll";
- #clock-cells = <0>;
- };
-
ahbbridge0: bus@40000000 {
compatible = "simple-bus";
#address-cells = <1>;
@@ -258,9 +251,9 @@
compatible = "fsl,imx7ulp-scg1";
reg = <0x403e0000 0x10000>;
clocks = <&rosc>, <&sosc>, <&sirc>,
- <&firc>, <&upll>, <&mpll>;
+ <&firc>, <&upll>;
clock-names = "rosc", "sosc", "sirc",
- "firc", "upll", "mpll";
+ "firc", "upll";
#clock-cells = <1>;
};

@@ -276,13 +269,12 @@
<&scg1 IMX7ULP_CLK_APLL_PFD0>,
<&scg1 IMX7ULP_CLK_UPLL>,
<&scg1 IMX7ULP_CLK_SOSC_BUS_CLK>,
- <&scg1 IMX7ULP_CLK_MIPI_PLL>,
<&scg1 IMX7ULP_CLK_FIRC_BUS_CLK>,
<&scg1 IMX7ULP_CLK_ROSC>,
<&scg1 IMX7ULP_CLK_SPLL_BUS_CLK>;
clock-names = "nic1_bus_clk", "nic1_clk", "ddr_clk",
"apll_pfd2", "apll_pfd1", "apll_pfd0",
- "upll", "sosc_bus_clk", "mpll",
+ "upll", "sosc_bus_clk",
"firc_bus_clk", "rosc", "spll_bus_clk";
assigned-clocks = <&pcc2 IMX7ULP_CLK_LPTPM5>;
assigned-clock-parents = <&scg1 IMX7ULP_CLK_SOSC_BUS_CLK>;
@@ -309,13 +301,12 @@
<&scg1 IMX7ULP_CLK_APLL_PFD0>,
<&scg1 IMX7ULP_CLK_UPLL>,
<&scg1 IMX7ULP_CLK_SOSC_BUS_CLK>,
- <&scg1 IMX7ULP_CLK_MIPI_PLL>,
<&scg1 IMX7ULP_CLK_FIRC_BUS_CLK>,
<&scg1 IMX7ULP_CLK_ROSC>,
<&scg1 IMX7ULP_CLK_SPLL_BUS_CLK>;
clock-names = "nic1_bus_clk", "nic1_clk", "ddr_clk",
"apll_pfd2", "apll_pfd1", "apll_pfd0",
- "upll", "sosc_bus_clk", "mpll",
+ "upll", "sosc_bus_clk",
"firc_bus_clk", "rosc", "spll_bus_clk";
};
};
--
2.17.1


2019-09-11 06:48:11

by Shawn Guo

[permalink] [raw]
Subject: Re: [PATCH 1/2] ARM: dts: imx7ulp: remove mipi pll clock node

On Fri, Aug 23, 2019 at 12:37:30AM +0000, Fancy Fang wrote:
> According to the IMX7ULP reference manual, the mipi pll
> clock comes from the MIPI PHY PLL output. So it should
> not be defined as a fixed clock. So remove this clock
> node and all the references to it.
>
> Signed-off-by: Fancy Fang <[email protected]>

Applied, thanks.