Re: [PATCH] arm64: zynqmp: Setup default si570 frequency to 156.25MHz

On 8/25/23 09:11, Michal Simek wrote:

All si570 mgt chips have factory default 156.25MHz but DT changed it to 148.5MHz. After tracking it is pretty much c&p fault taken from Zynq zc702/zc706 boards where 148.5MHz was setup as default because it was requirement for AD7511 chip available on these boards. ZynqMP board don't contain this chip that's why factory default frequency can be used.

Signed-off-by: Michal Simek michal.simek@amd.com

arch/arm/dts/zynqmp-zcu102-revA.dts | 2 +- arch/arm/dts/zynqmp-zcu106-revA.dts | 2 +- arch/arm/dts/zynqmp-zcu208-revA.dts | 2 +- arch/arm/dts/zynqmp-zcu216-revA.dts | 2 +- 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm/dts/zynqmp-zcu102-revA.dts b/arch/arm/dts/zynqmp-zcu102-revA.dts index 79d67c495dee..0f7230b9526e 100644 --- a/arch/arm/dts/zynqmp-zcu102-revA.dts +++ b/arch/arm/dts/zynqmp-zcu102-revA.dts @@ -602,7 +602,7 @@ reg = <0x5d>; temperature-stability = <50>; /* copy from zc702 */ factory-fout = <156250000>;

• 		clock-frequency = <148500000>;
  

• 		clock-frequency = <156250000>;
  	clock-output-names = "si570_mgt";
  };
  

  };

diff --git a/arch/arm/dts/zynqmp-zcu106-revA.dts b/arch/arm/dts/zynqmp-zcu106-revA.dts index 7a8094a16b79..f8019c592a7f 100644 --- a/arch/arm/dts/zynqmp-zcu106-revA.dts +++ b/arch/arm/dts/zynqmp-zcu106-revA.dts @@ -592,7 +592,7 @@ reg = <0x5d>; temperature-stability = <50>; /* copy from zc702 */ factory-fout = <156250000>;

• 		clock-frequency = <148500000>;
  

• 		clock-frequency = <156250000>;
  	clock-output-names = "si570_mgt";
  };
  

  };

diff --git a/arch/arm/dts/zynqmp-zcu208-revA.dts b/arch/arm/dts/zynqmp-zcu208-revA.dts index 9b3ae67bff12..0c1f50943ac0 100644 --- a/arch/arm/dts/zynqmp-zcu208-revA.dts +++ b/arch/arm/dts/zynqmp-zcu208-revA.dts @@ -489,7 +489,7 @@ reg = <0x5d>; temperature-stability = <50>; factory-fout = <156250000>;

• 		clock-frequency = <148500000>;
  

• 		clock-frequency = <156250000>;
  	clock-output-names = "si570_mgt";
  };
  

  };

diff --git a/arch/arm/dts/zynqmp-zcu216-revA.dts b/arch/arm/dts/zynqmp-zcu216-revA.dts index 43eeaec5b15b..8ca01f01a3ab 100644 --- a/arch/arm/dts/zynqmp-zcu216-revA.dts +++ b/arch/arm/dts/zynqmp-zcu216-revA.dts @@ -499,7 +499,7 @@ reg = <0x5d>; temperature-stability = <50>; factory-fout = <156250000>;

• 		clock-frequency = <148500000>;
  

• 		clock-frequency = <156250000>;
  	clock-output-names = "si570_mgt";
  };
  

  };

Applied. M