pinctrl: sh-pfc: rcar-gen3: Retain TDSELCTRL register across suspend/resume

The TDSELCTRL register is responsible for configuring the SDHI/MMC clock
return path delay and may be adjusted by the bootloader. Retain the value
across suspend/resume to prevent hardware instability after resume.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

drivers/pinctrl/sh-pfc/pfc-r8a7795-es1.c

@@ -5547,10 +5547,12 @@ static const struct pinmux_drive_reg pinmux_drive_regs[] = {
 
 enum ioctrl_regs {
 	POCCTRL,
+	TDSELCTRL,
 };
 
 static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = {
 	[POCCTRL] = { 0xe6060380, },
+	[TDSELCTRL] = { 0xe60603c0, },
 	{ /* sentinel */ },
 };
 

drivers/pinctrl/sh-pfc/pfc-r8a7795.c

@@ -5897,10 +5897,12 @@ static const struct pinmux_drive_reg pinmux_drive_regs[] = {
 
 enum ioctrl_regs {
 	POCCTRL,
+	TDSELCTRL,
 };
 
 static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = {
 	[POCCTRL] = { 0xe6060380, },
+	[TDSELCTRL] = { 0xe60603c0, },
 	{ /* sentinel */ },
 };
 

drivers/pinctrl/sh-pfc/pfc-r8a7796.c

@@ -5855,10 +5855,12 @@ static const struct pinmux_drive_reg pinmux_drive_regs[] = {
 
 enum ioctrl_regs {
 	POCCTRL,
+	TDSELCTRL,
 };
 
 static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = {
 	[POCCTRL] = { 0xe6060380, },
+	[TDSELCTRL] = { 0xe60603c0, },
 	{ /* sentinel */ },
 };
 

drivers/pinctrl/sh-pfc/pfc-r8a77965.c

@@ -6012,10 +6012,12 @@ static const struct pinmux_drive_reg pinmux_drive_regs[] = {
 
 enum ioctrl_regs {
 	POCCTRL,
+	TDSELCTRL,
 };
 
 static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = {
 	[POCCTRL] = { 0xe6060380, },
+	[TDSELCTRL] = { 0xe60603c0, },
 	{ /* sentinel */ },
 };
 

drivers/pinctrl/sh-pfc/pfc-r8a77970.c

@@ -2409,12 +2409,14 @@ enum ioctrl_regs {
 	POCCTRL0,
 	POCCTRL1,
 	POCCTRL2,
+	TDSELCTRL,
 };
 
 static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = {
 	[POCCTRL0] = { 0xe6060380 },
 	[POCCTRL1] = { 0xe6060384 },
 	[POCCTRL2] = { 0xe6060388 },
+	[TDSELCTRL] = { 0xe60603c0, },
 	{ /* sentinel */ },
 };
 

drivers/pinctrl/sh-pfc/pfc-r8a77980.c

@@ -2832,6 +2832,7 @@ enum ioctrl_regs {
 	POCCTRL1,
 	POCCTRL2,
 	POCCTRL3,
+	TDSELCTRL,
 };
 
 static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = {
@@ -2839,6 +2840,7 @@ static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = {
 	[POCCTRL1] = { 0xe6060384, },
 	[POCCTRL2] = { 0xe6060388, },
 	[POCCTRL3] = { 0xe606038c, },
+	[TDSELCTRL] = { 0xe60603c0, },
 	{ /* sentinel */ },
 };
 

drivers/pinctrl/sh-pfc/pfc-r8a77990.c

@@ -4996,10 +4996,12 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 
 enum ioctrl_regs {
 	POCCTRL0,
+	TDSELCTRL,
 };
 
 static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = {
 	[POCCTRL0] = { 0xe6060380, },
+	[TDSELCTRL] = { 0xe60603c0, },
 	{ /* sentinel */ },
 };
 

drivers/pinctrl/sh-pfc/pfc-r8a77995.c

@@ -2833,6 +2833,15 @@ static int r8a77995_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin, u32 *po
 	return bit;
 }
 
+enum ioctrl_regs {
+	TDSELCTRL,
+};
+
+static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = {
+	[TDSELCTRL] = { 0xe60603c0, },
+	{ /* sentinel */ },
+};
+
 static const struct sh_pfc_soc_operations r8a77995_pinmux_ops = {
 	.pin_to_pocctrl = r8a77995_pin_to_pocctrl,
 };
@@ -2852,6 +2861,7 @@ const struct sh_pfc_soc_info r8a77995_pinmux_info = {
 	.nr_functions = ARRAY_SIZE(pinmux_functions),
 
 	.cfg_regs = pinmux_config_regs,
+	.ioctrl_regs = pinmux_ioctrl_regs,
 
 	.pinmux_data = pinmux_data,
 	.pinmux_data_size = ARRAY_SIZE(pinmux_data),