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Subject[PATCH] arm64: dts: fsd: fix PUD values as per FSD HW UM
Date
PUD values used for UFS, SPI and UART are not reflecting
the default values recommended by FSD HW UM. Therefore,
changing the same to comply with HW UM recommendation.

Signed-off-by: Padmanabhan Rajanbabu <p.rajanbabu@samsung.com>
---
arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
index e3852c946352..2b367bde45b8 100644
--- a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
@@ -54,14 +54,14 @@
ufs_rst_n: ufs-rst-n-pins {
samsung,pins = "gpf5-0";
samsung,pin-function = <FSD_PIN_FUNC_2>;
- samsung,pin-pud = <FSD_PIN_PULL_NONE>;
+ samsung,pin-pud = <FSD_PIN_PULL_DOWN>;
samsung,pin-drv = <FSD_PIN_DRV_LV4>;
};

ufs_refclk_out: ufs-refclk-out-pins {
samsung,pins = "gpf5-1";
samsung,pin-function = <FSD_PIN_FUNC_2>;
- samsung,pin-pud = <FSD_PIN_PULL_NONE>;
+ samsung,pin-pud = <FSD_PIN_PULL_UP>;
samsung,pin-drv = <FSD_PIN_DRV_LV4>;
};
};
@@ -308,35 +308,35 @@
uart0_data: uart0-data-pins {
samsung,pins = "gpb7-0", "gpb7-1";
samsung,pin-function = <FSD_PIN_FUNC_2>;
- samsung,pin-pud = <FSD_PIN_PULL_NONE>;
+ samsung,pin-pud = <FSD_PIN_PULL_UP>;
samsung,pin-drv = <FSD_PIN_DRV_LV4>;
};

uart1_data: uart1-data-pins {
samsung,pins = "gpb7-4", "gpb7-5";
samsung,pin-function = <FSD_PIN_FUNC_2>;
- samsung,pin-pud = <FSD_PIN_PULL_NONE>;
+ samsung,pin-pud = <FSD_PIN_PULL_UP>;
samsung,pin-drv = <FSD_PIN_DRV_LV4>;
};

spi0_bus: spi0-bus-pins {
samsung,pins = "gpb4-0", "gpb4-2", "gpb4-3";
samsung,pin-function = <FSD_PIN_FUNC_2>;
- samsung,pin-pud = <FSD_PIN_PULL_UP>;
+ samsung,pin-pud = <FSD_PIN_PULL_DOWN>;
samsung,pin-drv = <FSD_PIN_DRV_LV4>;
};

spi1_bus: spi1-bus-pins {
samsung,pins = "gpb4-4", "gpb4-6", "gpb4-7";
samsung,pin-function = <FSD_PIN_FUNC_2>;
- samsung,pin-pud = <FSD_PIN_PULL_UP>;
+ samsung,pin-pud = <FSD_PIN_PULL_DOWN>;
samsung,pin-drv = <FSD_PIN_DRV_LV4>;
};

spi2_bus: spi2-bus-pins {
samsung,pins = "gpb5-0", "gpb5-2", "gpb5-3";
samsung,pin-function = <FSD_PIN_FUNC_2>;
- samsung,pin-pud = <FSD_PIN_PULL_UP>;
+ samsung,pin-pud = <FSD_PIN_PULL_DOWN>;
samsung,pin-drv = <FSD_PIN_DRV_LV4>;
};
};
--
2.17.1
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