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ARM: dts: imx53: fix EIM_D27/29 pad UART2 configuration

PATCH New linux-kernel-dev at beckhoff.com 2 participants 2 messages Nov 26, 2015 – Dec 2, 2015

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#0 lore raw

PATCH 1/1 ARM: dts: imx53: fix EIM_D27/29 pad UART2 configuration

From: Patrick Br?nn <[email protected]>

MX53_PAD_EIM_D27__UART2_RXD_MUX and MX53_PAD_EIM_D29__UART2_RTS input_val must be configured as 0 instead of 1 to have UART2 muxed on EIM pins working

Signed-off-by Patrick Br?nn <[email protected]>
---
 arch/arm/boot/dts/imx53-pinfunc.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
arch/arm/boot/dts/imx53-pinfunc.h +2 -2
index aec406b..a4c973d 100644
@@ -532,7 +532,7 @@
 #define MX53_PAD_EIM_D26__IPU_DISP1_DAT_22			0x144 0x48c 0x000 0x7 0x0
 #define MX53_PAD_EIM_D27__EMI_WEIM_D_27				0x148 0x490 0x000 0x0 0x0
 #define MX53_PAD_EIM_D27__GPIO3_27				0x148 0x490 0x000 0x1 0x0
-#define MX53_PAD_EIM_D27__UART2_RXD_MUX				0x148 0x490 0x880 0x2 0x1
+#define MX53_PAD_EIM_D27__UART2_RXD_MUX				0x148 0x490 0x880 0x2 0x0
 #define MX53_PAD_EIM_D27__FIRI_TXD				0x148 0x490 0x000 0x3 0x0
 #define MX53_PAD_EIM_D27__IPU_CSI0_D_0				0x148 0x490 0x000 0x4 0x0
 #define MX53_PAD_EIM_D27__IPU_DI1_PIN13				0x148 0x490 0x000 0x5 0x0

@@ -548,7 +548,7 @@
 #define MX53_PAD_EIM_D28__IPU_DI0_PIN13				0x14c 0x494 0x000 0x7 0x0
 #define MX53_PAD_EIM_D29__EMI_WEIM_D_29				0x150 0x498 0x000 0x0 0x0
 #define MX53_PAD_EIM_D29__GPIO3_29				0x150 0x498 0x000 0x1 0x0
-#define MX53_PAD_EIM_D29__UART2_RTS				0x150 0x498 0x87c 0x2 0x1
+#define MX53_PAD_EIM_D29__UART2_RTS				0x150 0x498 0x87c 0x2 0x0
 #define MX53_PAD_EIM_D29__IPU_DISPB0_SER_RS			0x150 0x498 0x000 0x3 0x0
 #define MX53_PAD_EIM_D29__CSPI_SS0				0x150 0x498 0x78c 0x4 0x2
 #define MX53_PAD_EIM_D29__IPU_DI1_PIN15				0x150 0x498 0x000 0x5 0x0
Signature · 1 line
1.9.1
#1 lore raw

PATCH 1/1 ARM: dts: imx53: fix EIM_D27/29 pad UART2 configuration

Quoted 3 lines · linux-kernel-dev at beckhoff.com

From: Patrick Br?nn <[email protected]>

MX53_PAD_EIM_D27__UART2_RXD_MUX and MX53_PAD_EIM_D29__UART2_RTS input_val must be configured as 0 instead of 1 to have UART2 muxed on EIM pins working

I'm not sure why you think that. But the i.MX53 Reference Manual in my hands doesn't agree with that. It says ...

Quoted 11 lines
Signed-off-by Patrick Br?nn <[email protected]>
---
 arch/arm/boot/dts/imx53-pinfunc.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
arch/arm/boot/dts/imx53-pinfunc.h +0 -0
index aec406b..a4c973d 100644

arch/arm/boot/dts/imx53-pinfunc.h line 535

Quoted 5 lines
arch/arm/boot/dts/imx53-pinfunc.h +1 -1
@@ -532,7 +532,7 @@
 #define MX53_PAD_EIM_D26__IPU_DISP1_DAT_22			0x144 0x48c 0x000 0x7 0x0
 #define MX53_PAD_EIM_D27__EMI_WEIM_D_27				0x148 0x490 0x000 0x0 0x0
 #define MX53_PAD_EIM_D27__GPIO3_27				0x148 0x490 0x000 0x1 0x0
-#define MX53_PAD_EIM_D27__UART2_RXD_MUX				0x148 0x490 0x880 0x2 0x1
+#define MX53_PAD_EIM_D27__UART2_RXD_MUX				0x148 0x490 0x880 0x2 0x0

IOMUXC_UART2_IPP_UART_RXD_MUX_SELECT_INPUT DAISY field descriptions

000 - Selecting Pad: EIM_D26 for Mode: ALT2. 001 - Selecting Pad: EIM_D27 for Mode: ALT2. 010 - Selecting Pad: PATA_DMARQ for Mode: ALT3. 011 - Selecting Pad: PATA_BUFFER_EN for Mode: ALT3. 100 - Selecting Pad: GPIO_7 for Mode: ALT4. 101 - Selecting Pad: GPIO_8 for Mode: ALT4.

arch/arm/boot/dts/imx53-pinfunc.h line 551

Quoted 9 lines
arch/arm/boot/dts/imx53-pinfunc.h +1 -1
 #define MX53_PAD_EIM_D27__FIRI_TXD				0x148 0x490 0x000 0x3 0x0
 #define MX53_PAD_EIM_D27__IPU_CSI0_D_0				0x148 0x490 0x000 0x4 0x0
 #define MX53_PAD_EIM_D27__IPU_DI1_PIN13				0x148 0x490 0x000 0x5 0x0

@@ -548,7 +548,7 @@
 #define MX53_PAD_EIM_D28__IPU_DI0_PIN13				0x14c 0x494 0x000 0x7 0x0
 #define MX53_PAD_EIM_D29__EMI_WEIM_D_29				0x150 0x498 0x000 0x0 0x0
 #define MX53_PAD_EIM_D29__GPIO3_29				0x150 0x498 0x000 0x1 0x0
-#define MX53_PAD_EIM_D29__UART2_RTS				0x150 0x498 0x87c 0x2 0x1
+#define MX53_PAD_EIM_D29__UART2_RTS				0x150 0x498 0x87c 0x2 0x0

IOMUXC_UART2_IPP_UART_RTS_B_SELECT_INPUT DAISY field descriptions

00 - Selecting Pad: EIM_D28 for Mode: ALT2.
01 - Selecting Pad: EIM_D29 for Mode: ALT2.
10 - Selecting Pad: PATA_INTRQ for Mode: ALT3.
11 - Selecting Pad: PATA_DIOR for Mode: ALT3.

Quoted 11 lines
arch/arm/boot/dts/imx53-pinfunc.h +0 -0
 #define MX53_PAD_EIM_D29__IPU_DISPB0_SER_RS			0x150 0x498 0x000 0x3 0x0
 #define MX53_PAD_EIM_D29__CSPI_SS0				0x150 0x498 0x78c 0x4 0x2
 #define MX53_PAD_EIM_D29__IPU_DI1_PIN15				0x150 0x498 0x000 0x5 0x0
Signature · 7 lines
1.9.1


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