From 8f79b3f27e59e41cf25b4a47e83b70177a6cd104 Mon Sep 17 00:00:00 2001 From: Stefan Wahren Date: Wed, 8 May 2024 13:38:00 +0200 Subject: [PATCH] ARM: dts: evacharge/tarragon: Reduce SPI clock for PLC The spi-max-frequency was higher than the specification from Qualcomm. So reduce the frequency limit in order to be conform and try to avoid bit errors. Signed-off-by: Stefan Wahren --- arch/arm/boot/dts/imx28-evachargese.dts | 2 +- arch/arm/boot/dts/imx6ull-tarragon-master.dts | 4 ++-- arch/arm/boot/dts/imx6ull-tarragon-slave.dts | 2 +- arch/arm/boot/dts/imx6ull-tarragon-slavext.dts | 2 +- 4 files changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/arm/boot/dts/imx28-evachargese.dts b/arch/arm/boot/dts/imx28-evachargese.dts index 9364ed617ae9af..ea69fefff2b021 100644 --- a/arch/arm/boot/dts/imx28-evachargese.dts +++ b/arch/arm/boot/dts/imx28-evachargese.dts @@ -55,7 +55,7 @@ interrupts = <25 IRQ_TYPE_EDGE_RISING>; spi-cpha; spi-cpol; - spi-max-frequency = <16000000>; + spi-max-frequency = <12000000>; intr-gpios = <&gpio3 25 GPIO_ACTIVE_HIGH>; }; diff --git a/arch/arm/boot/dts/imx6ull-tarragon-master.dts b/arch/arm/boot/dts/imx6ull-tarragon-master.dts index c5f325702bf40d..5b89e7093f3ccc 100644 --- a/arch/arm/boot/dts/imx6ull-tarragon-master.dts +++ b/arch/arm/boot/dts/imx6ull-tarragon-master.dts @@ -39,7 +39,7 @@ interrupts = <19 IRQ_TYPE_EDGE_RISING>; spi-cpha; spi-cpol; - spi-max-frequency = <16000000>; + spi-max-frequency = <12000000>; }; }; @@ -55,7 +55,7 @@ interrupts = <9 IRQ_TYPE_EDGE_RISING>; spi-cpha; spi-cpol; - spi-max-frequency = <16000000>; + spi-max-frequency = <12000000>; }; }; diff --git a/arch/arm/boot/dts/imx6ull-tarragon-slave.dts b/arch/arm/boot/dts/imx6ull-tarragon-slave.dts index 58ff5c5533ba7a..80f45b2e380c36 100644 --- a/arch/arm/boot/dts/imx6ull-tarragon-slave.dts +++ b/arch/arm/boot/dts/imx6ull-tarragon-slave.dts @@ -31,7 +31,7 @@ interrupts = <19 IRQ_TYPE_EDGE_RISING>; spi-cpha; spi-cpol; - spi-max-frequency = <16000000>; + spi-max-frequency = <12000000>; }; }; diff --git a/arch/arm/boot/dts/imx6ull-tarragon-slavext.dts b/arch/arm/boot/dts/imx6ull-tarragon-slavext.dts index 078c4383fedb38..86673350c436c6 100644 --- a/arch/arm/boot/dts/imx6ull-tarragon-slavext.dts +++ b/arch/arm/boot/dts/imx6ull-tarragon-slavext.dts @@ -39,7 +39,7 @@ interrupts = <19 IRQ_TYPE_EDGE_RISING>; spi-cpha; spi-cpol; - spi-max-frequency = <16000000>; + spi-max-frequency = <12000000>; }; };