2019-10-04 14:46:31

by Patrice CHOTARD

[permalink] [raw]
Subject: ARM: dts: stm32: relax qspi pins slew-rate for stm32mp157

From: Patrice Chotard <[email protected]>

Relax qspi pins slew-rate to minimize peak currents.

Fixes: 844030057339 ("ARM: dts: stm32: add flash nor support on stm32mp157c eval board")

Signed-off-by: Patrice Chotard <[email protected]>
---
arch/arm/boot/dts/stm32mp157-pinctrl.dtsi | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
index e4a0d51ec3a8..0a3a7d66737b 100644
--- a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
@@ -609,13 +609,13 @@
<STM32_PINMUX('F', 6, AF9)>; /* QSPI_BK1_IO3 */
bias-disable;
drive-push-pull;
- slew-rate = <3>;
+ slew-rate = <1>;
};
pins2 {
pinmux = <STM32_PINMUX('B', 6, AF10)>; /* QSPI_BK1_NCS */
bias-pull-up;
drive-push-pull;
- slew-rate = <3>;
+ slew-rate = <1>;
};
};

@@ -637,13 +637,13 @@
<STM32_PINMUX('G', 7, AF11)>; /* QSPI_BK2_IO3 */
bias-disable;
drive-push-pull;
- slew-rate = <3>;
+ slew-rate = <1>;
};
pins2 {
pinmux = <STM32_PINMUX('C', 0, AF10)>; /* QSPI_BK2_NCS */
bias-pull-up;
drive-push-pull;
- slew-rate = <3>;
+ slew-rate = <1>;
};
};

--
2.17.1