apalis/colibri_t30: pull-down multiplexed camera input pins saves 100mW

Floating pins towards the camera input level-shifter cause it to
consume at least 100mW of power even in idle. This patch fixes this by
configuring pull-downs on all multiplexed camera input pins.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Acked-by: Max Krummenacher <max.krummenacher@toradex.com>

2 files changed, 32 insertions, 33 deletions

diff --git a/board/toradex/apalis_t30/pinmux-config-apalis_t30.h b/board/toradex/apalis_t30/pinmux-config-apalis_t30.h
index 48764a374a..cd42e9c22b 100644
--- a/board/toradex/apalis_t30/pinmux-config-apalis_t30.h
+++ b/board/toradex/apalis_t30/pinmux-config-apalis_t30.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012-2015, Toradex, Inc.
+ * Copyright (c) 2012-2016, Toradex, Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -243,16 +243,16 @@ static struct pmux_pingrp_config tegra3_pinmux_common[] = {
 
 	/* multiplexed VI_D2, VI_D3, VI_D4, VI_D5, VI_D6, VI_D7, VI_D8 and VI_D9
 	 */
-	DEFAULT_PINMUX(KB_ROW0_PR0, RSVD2, NORMAL, TRISTATE, INPUT),
-	DEFAULT_PINMUX(KB_ROW1_PR1, RSVD2, NORMAL, TRISTATE, INPUT),
-	DEFAULT_PINMUX(KB_ROW2_PR2, RSVD2, NORMAL, TRISTATE, INPUT),
-	DEFAULT_PINMUX(KB_ROW3_PR3, RSVD2, NORMAL, TRISTATE, INPUT),
-	DEFAULT_PINMUX(KB_ROW4_PR4, RSVD3, NORMAL, TRISTATE, INPUT),
-	DEFAULT_PINMUX(KB_ROW5_PR5, KBC, NORMAL, TRISTATE, INPUT),
-	DEFAULT_PINMUX(KB_ROW6_PR6, KBC, NORMAL, TRISTATE, INPUT),
-	DEFAULT_PINMUX(KB_ROW7_PR7, KBC, NORMAL, TRISTATE, INPUT),
-	DEFAULT_PINMUX(KB_ROW8_PS0, KBC, NORMAL, TRISTATE, INPUT),
-	DEFAULT_PINMUX(KB_ROW9_PS1, KBC, NORMAL, TRISTATE, INPUT),
+	DEFAULT_PINMUX(KB_ROW0_PR0, RSVD2, DOWN, TRISTATE, INPUT),
+	DEFAULT_PINMUX(KB_ROW1_PR1, RSVD2, DOWN, TRISTATE, INPUT),
+	DEFAULT_PINMUX(KB_ROW2_PR2, RSVD2, DOWN, TRISTATE, INPUT),
+	DEFAULT_PINMUX(KB_ROW3_PR3, RSVD2, DOWN, TRISTATE, INPUT),
+	DEFAULT_PINMUX(KB_ROW4_PR4, RSVD3, DOWN, TRISTATE, INPUT),
+	DEFAULT_PINMUX(KB_ROW5_PR5, KBC, DOWN, TRISTATE, INPUT),
+	DEFAULT_PINMUX(KB_ROW6_PR6, KBC, DOWN, TRISTATE, INPUT),
+	DEFAULT_PINMUX(KB_ROW7_PR7, KBC, DOWN, TRISTATE, INPUT),
+	DEFAULT_PINMUX(KB_ROW8_PS0, KBC, DOWN, TRISTATE, INPUT),
+	DEFAULT_PINMUX(KB_ROW9_PS1, KBC, DOWN, TRISTATE, INPUT),
 
 	/* GPIOs */
 	DEFAULT_PINMUX(KB_ROW10_PS2, SDMMC2, NORMAL, NORMAL, INPUT),
@@ -264,11 +264,11 @@ static struct pmux_pingrp_config tegra3_pinmux_common[] = {
 
 	DEFAULT_PINMUX(KB_COL0_PQ0, KBC, NORMAL, NORMAL, INPUT),
 	DEFAULT_PINMUX(KB_COL1_PQ1, KBC, NORMAL, NORMAL, INPUT),
-	DEFAULT_PINMUX(KB_COL2_PQ2, KBC, NORMAL, NORMAL, INPUT),
-	DEFAULT_PINMUX(KB_COL3_PQ3, KBC, NORMAL, NORMAL, INPUT),
-	DEFAULT_PINMUX(KB_COL4_PQ4, KBC, NORMAL, NORMAL, INPUT),
-	DEFAULT_PINMUX(KB_COL5_PQ5, KBC, NORMAL, NORMAL, INPUT),
-	DEFAULT_PINMUX(KB_COL6_PQ6, KBC, NORMAL, NORMAL, INPUT),
+	DEFAULT_PINMUX(KB_COL2_PQ2, KBC, DOWN, NORMAL, INPUT),
+	DEFAULT_PINMUX(KB_COL3_PQ3, KBC, DOWN, NORMAL, INPUT),
+	DEFAULT_PINMUX(KB_COL4_PQ4, KBC, DOWN, NORMAL, INPUT),
+	DEFAULT_PINMUX(KB_COL5_PQ5, KBC, DOWN, NORMAL, INPUT),
+	DEFAULT_PINMUX(KB_COL6_PQ6, KBC, DOWN, NORMAL, INPUT),
 	DEFAULT_PINMUX(KB_COL7_PQ7, KBC, NORMAL, NORMAL, INPUT),
 
 	DEFAULT_PINMUX(PV0, RSVD1, NORMAL, NORMAL, INPUT),
diff --git a/board/toradex/colibri_t30/pinmux-config-colibri_t30.h b/board/toradex/colibri_t30/pinmux-config-colibri_t30.h
index b0aec87608..0bc3a92711 100644
--- a/board/toradex/colibri_t30/pinmux-config-colibri_t30.h
+++ b/board/toradex/colibri_t30/pinmux-config-colibri_t30.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012-2015, Toradex, Inc.
+ * Copyright (c) 2012-2016, Toradex, Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -67,20 +67,20 @@
 
 static struct pmux_pingrp_config tegra3_pinmux_common[] = {
 	/* SDMMC1 disabled */
-	DEFAULT_PINMUX(SDMMC1_CLK_PZ0, RSVD1, NORMAL, NORMAL, INPUT),
-	DEFAULT_PINMUX(SDMMC1_CMD_PZ1, RSVD1, NORMAL, NORMAL, INPUT),
-	DEFAULT_PINMUX(SDMMC1_DAT3_PY4, RSVD1, NORMAL, NORMAL, INPUT),
-	DEFAULT_PINMUX(SDMMC1_DAT2_PY5, RSVD1, NORMAL, NORMAL, INPUT),
-	DEFAULT_PINMUX(SDMMC1_DAT1_PY6, RSVD1, NORMAL, NORMAL, INPUT),
-	DEFAULT_PINMUX(SDMMC1_DAT0_PY7, RSVD1, NORMAL, NORMAL, INPUT),
+	DEFAULT_PINMUX(SDMMC1_CLK_PZ0, RSVD1, DOWN, NORMAL, INPUT),
+	DEFAULT_PINMUX(SDMMC1_CMD_PZ1, RSVD1, DOWN, NORMAL, INPUT),
+	DEFAULT_PINMUX(SDMMC1_DAT3_PY4, RSVD1, DOWN, NORMAL, INPUT),
+	DEFAULT_PINMUX(SDMMC1_DAT2_PY5, RSVD1, DOWN, NORMAL, INPUT),
+	DEFAULT_PINMUX(SDMMC1_DAT1_PY6, RSVD1, DOWN, NORMAL, INPUT),
+	DEFAULT_PINMUX(SDMMC1_DAT0_PY7, RSVD1, DOWN, NORMAL, INPUT),
 
 	/* SDMMC3 pinmux */
 	DEFAULT_PINMUX(SDMMC3_CLK_PA6, SDMMC3, NORMAL, NORMAL, INPUT),
-	DEFAULT_PINMUX(SDMMC3_CMD_PA7, SDMMC3, UP, NORMAL, INPUT),
+	DEFAULT_PINMUX(SDMMC3_CMD_PA7, SDMMC3, DOWN, NORMAL, INPUT),
 	DEFAULT_PINMUX(SDMMC3_DAT0_PB7, SDMMC3, UP, NORMAL, INPUT),
 	DEFAULT_PINMUX(SDMMC3_DAT1_PB6, SDMMC3, UP, NORMAL, INPUT),
 	DEFAULT_PINMUX(SDMMC3_DAT2_PB5, SDMMC3, UP, NORMAL, INPUT),
-	DEFAULT_PINMUX(SDMMC3_DAT3_PB4, PWM0, NORMAL, NORMAL, OUTPUT),
+	DEFAULT_PINMUX(SDMMC3_DAT3_PB4, PWM0, DOWN, NORMAL, OUTPUT),
 	DEFAULT_PINMUX(SDMMC3_DAT6_PD3, RSVD1, NORMAL, NORMAL, INPUT),
 	DEFAULT_PINMUX(SDMMC3_DAT7_PD4, RSVD1, NORMAL, NORMAL, INPUT),
 
@@ -134,11 +134,11 @@ static struct pmux_pingrp_config tegra3_pinmux_common[] = {
 	DEFAULT_PINMUX(DAP3_DIN_PP1, I2S2, NORMAL, NORMAL, INPUT),
 	DEFAULT_PINMUX(DAP3_DOUT_PP2, I2S2, NORMAL, NORMAL, INPUT),
 	DEFAULT_PINMUX(DAP3_SCLK_PP3, I2S2, NORMAL, NORMAL, INPUT),
-	DEFAULT_PINMUX(PV2, OWR, NORMAL, NORMAL, OUTPUT),
-	DEFAULT_PINMUX(PV3, RSVD1, NORMAL, NORMAL, OUTPUT),
+	DEFAULT_PINMUX(PV2, OWR, DOWN, NORMAL, OUTPUT),
+	DEFAULT_PINMUX(PV3, RSVD1, DOWN, NORMAL, OUTPUT),
 	DEFAULT_PINMUX(CLK2_OUT_PW5, EXTPERIPH2, NORMAL, NORMAL, INPUT),
 	DEFAULT_PINMUX(CLK2_REQ_PCC5, DAP, NORMAL, NORMAL, INPUT),
-	DEFAULT_PINMUX(LCD_PWR1_PC1, DISPLAYA, NORMAL, NORMAL, INPUT),
+	DEFAULT_PINMUX(LCD_PWR1_PC1, DISPLAYA, DOWN, NORMAL, INPUT),
 	DEFAULT_PINMUX(LCD_PWR2_PC6, DISPLAYA, NORMAL, NORMAL, INPUT),
 	DEFAULT_PINMUX(LCD_SDIN_PZ2, DISPLAYA, NORMAL, NORMAL, INPUT),
 	DEFAULT_PINMUX(LCD_SDOUT_PN5, DISPLAYA, NORMAL, NORMAL, INPUT),
@@ -219,7 +219,6 @@ static struct pmux_pingrp_config tegra3_pinmux_common[] = {
 	DEFAULT_PINMUX(GMI_A18_PB1, UARTD, NORMAL, NORMAL, INPUT),
 	DEFAULT_PINMUX(GMI_A19_PK7, UARTD, NORMAL, NORMAL, INPUT),
 
-
 	/* Multiplexed with KB_ROW10/KB_ROW11/KB_ROW12/KB_ROW15 */
 	DEFAULT_PINMUX(CAM_MCLK_PCC0, VI_ALT3, UP, TRISTATE, INPUT),
 	DEFAULT_PINMUX(PCC1, RSVD1, NORMAL, TRISTATE, INPUT),
@@ -229,7 +228,7 @@ static struct pmux_pingrp_config tegra3_pinmux_common[] = {
 	DEFAULT_PINMUX(PBB5, VGP5, NORMAL, NORMAL, INPUT),
 	DEFAULT_PINMUX(PBB6, VGP6, NORMAL, NORMAL, INPUT),
 	DEFAULT_PINMUX(PBB7, I2S4, NORMAL, NORMAL, INPUT),
-	DEFAULT_PINMUX(PCC2, I2S4, NORMAL, NORMAL, INPUT),
+	DEFAULT_PINMUX(PCC2, I2S4, DOWN, NORMAL, INPUT),
 	DEFAULT_PINMUX(JTAG_RTCK_PU7, RTCK, NORMAL, NORMAL, OUTPUT),
 
 	/* KBC keys */
@@ -294,11 +293,11 @@ static struct pmux_pingrp_config tegra3_pinmux_common[] = {
 
 	DEFAULT_PINMUX(PEX_WAKE_N_PDD3, PCIE, NORMAL, NORMAL, INPUT),
 	DEFAULT_PINMUX(PEX_L1_PRSNT_N_PDD4, PCIE, NORMAL, NORMAL, INPUT),
-	DEFAULT_PINMUX(PEX_L1_RST_N_PDD5, PCIE, NORMAL, NORMAL, OUTPUT),
-	DEFAULT_PINMUX(PEX_L1_CLKREQ_N_PDD6, PCIE, NORMAL, NORMAL, INPUT),
+	DEFAULT_PINMUX(PEX_L1_RST_N_PDD5, PCIE, DOWN, NORMAL, OUTPUT),
+	DEFAULT_PINMUX(PEX_L1_CLKREQ_N_PDD6, PCIE, DOWN, NORMAL, INPUT),
 	DEFAULT_PINMUX(PEX_L2_PRSNT_N_PDD7, PCIE, NORMAL, NORMAL, INPUT),
 	DEFAULT_PINMUX(PEX_L2_RST_N_PCC6, PCIE, NORMAL, NORMAL, OUTPUT),
-	DEFAULT_PINMUX(PEX_L2_CLKREQ_N_PCC7, PCIE, NORMAL, NORMAL, INPUT),
+	DEFAULT_PINMUX(PEX_L2_CLKREQ_N_PCC7, PCIE, DOWN, NORMAL, INPUT),
 	DEFAULT_PINMUX(HDMI_CEC_PEE3, CEC, NORMAL, NORMAL, INPUT),
 	DEFAULT_PINMUX(HDMI_INT_PN7, RSVD1, NORMAL, TRISTATE, INPUT),