* ARM: dts: stm32: relax qspi pins slew-rate for stm32mp157
@ 2019-10-04 14:44 patrice.chotard
0 siblings, 0 replies; only message in thread
From: patrice.chotard @ 2019-10-04 14:44 UTC (permalink / raw)
To: robh+dt, mark.rutland, alexandre.torgue
Cc: devicetree, linux-kernel, linux, Patrice Chotard,
mcoquelin.stm32, linux-stm32, linux-arm-kernel
From: Patrice Chotard <patrice.chotard@st.com>
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 <patrice.chotard@st.com>
---
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
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