From 97d1ace0c842b95b4a11a5d00fed896c20e267c4 Mon Sep 17 00:00:00 2001 From: Clark Wang <xiaoning.wang@nxp.com> Date: Wed, 7 Jul 2021 16:49:15 +0800 Subject: [PATCH] LF-4147-1 arm64: dts: imx8ulp: increase the clock speed of LPSPI LPSPI transfer max speed is half of the root clock. Increase the root clock speed to support faster data transmission. Signed-off-by: Clark Wang <xiaoning.wang@nxp.com> Reviewed-by: Haibo Chen <haibo.chen@nxp.com> --- arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi index 55d25125c2cc4b..aac104ebf86ac9 100644 --- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi @@ -459,7 +459,7 @@ clock-names = "per", "ipg"; assigned-clocks = <&pcc3 IMX8ULP_CLK_LPSPI4>; assigned-clock-parents = <&cgc1 IMX8ULP_CLK_XBAR_DIVBUS>; - assigned-clock-rates = <16000000>; + assigned-clock-rates = <48000000>; dmas = <&edma1 64 0 0>, <&edma1 63 0 1>; dma-names = "tx","rx"; status = "disabled"; @@ -476,7 +476,7 @@ clock-names = "per", "ipg"; assigned-clocks = <&pcc3 IMX8ULP_CLK_LPSPI5>; assigned-clock-parents = <&cgc1 IMX8ULP_CLK_XBAR_DIVBUS>; - assigned-clock-rates = <16000000>; + assigned-clock-rates = <48000000>; dmas = <&edma1 66 0 0>, <&edma1 65 0 1>; dma-names = "tx","rx"; status = "disabled"; -- GitLab