pinctrl: tegra: some bits move between registers

Some of the pinmux configuration bits that exist in "drive group"
registers in Tegra30..Tegra124 move to the "pinmux" registers on future
chips. Add a flag to support this.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

6 files changed, 36 insertions, 6 deletions

diff --git a/drivers/pinctrl/pinctrl-tegra.c b/drivers/pinctrl/pinctrl-tegra.c
index e5949d5..6cd651a 100644
--- a/drivers/pinctrl/pinctrl-tegra.c
+++ b/drivers/pinctrl/pinctrl-tegra.c
@@ -348,14 +348,24 @@ static int tegra_pinconf_reg(struct tegra_pmx *pmx,
 		*width = 1;
 		break;
 	case TEGRA_PINCONF_PARAM_HIGH_SPEED_MODE:
-		*bank = g->drv_bank;
-		*reg = g->drv_reg;
+		if (pmx->soc->hsm_in_mux) {
+			*bank = g->mux_bank;
+			*reg = g->mux_reg;
+		} else {
+			*bank = g->drv_bank;
+			*reg = g->drv_reg;
+		}
 		*bit = g->hsm_bit;
 		*width = 1;
 		break;
 	case TEGRA_PINCONF_PARAM_SCHMITT:
-		*bank = g->drv_bank;
-		*reg = g->drv_reg;
+		if (pmx->soc->schmitt_in_mux) {
+			*bank = g->mux_bank;
+			*reg = g->mux_reg;
+		} else {
+			*bank = g->drv_bank;
+			*reg = g->drv_reg;
+		}
 		*bit = g->schmitt_bit;
 		*width = 1;
 		break;
@@ -390,8 +400,13 @@ static int tegra_pinconf_reg(struct tegra_pmx *pmx,
 		*width = g->slwr_width;
 		break;
 	case TEGRA_PINCONF_PARAM_DRIVE_TYPE:
-		*bank = g->drv_bank;
-		*reg = g->drv_reg;
+		if (pmx->soc->drvtype_in_mux) {
+			*bank = g->mux_bank;
+			*reg = g->mux_reg;
+		} else {
+			*bank = g->drv_bank;
+			*reg = g->drv_reg;
+		}
 		*bit = g->drvtype_bit;
 		*width = 2;
 		break;
diff --git a/drivers/pinctrl/pinctrl-tegra.h b/drivers/pinctrl/pinctrl-tegra.h
index 8d94d13..d54ab9d 100644
--- a/drivers/pinctrl/pinctrl-tegra.h
+++ b/drivers/pinctrl/pinctrl-tegra.h
@@ -182,6 +182,9 @@ struct tegra_pinctrl_soc_data {
 	unsigned nfunctions;
 	const struct tegra_pingroup *groups;
 	unsigned ngroups;
+	bool hsm_in_mux;
+	bool schmitt_in_mux;
+	bool drvtype_in_mux;
 };
 
 int tegra_pinctrl_probe(struct platform_device *pdev,
diff --git a/drivers/pinctrl/pinctrl-tegra114.c b/drivers/pinctrl/pinctrl-tegra114.c
index 0740cdb..05e49d5 100644
--- a/drivers/pinctrl/pinctrl-tegra114.c
+++ b/drivers/pinctrl/pinctrl-tegra114.c
@@ -1841,6 +1841,9 @@ static const struct tegra_pinctrl_soc_data tegra114_pinctrl = {
 	.nfunctions = ARRAY_SIZE(tegra114_functions),
 	.groups = tegra114_groups,
 	.ngroups = ARRAY_SIZE(tegra114_groups),
+	.hsm_in_mux = false,
+	.schmitt_in_mux = false,
+	.drvtype_in_mux = false,
 };
 
 static int tegra114_pinctrl_probe(struct platform_device *pdev)
diff --git a/drivers/pinctrl/pinctrl-tegra124.c b/drivers/pinctrl/pinctrl-tegra124.c
index b7ba260..7cd44c7 100644
--- a/drivers/pinctrl/pinctrl-tegra124.c
+++ b/drivers/pinctrl/pinctrl-tegra124.c
@@ -2053,6 +2053,9 @@ static const struct tegra_pinctrl_soc_data tegra124_pinctrl = {
 	.nfunctions = ARRAY_SIZE(tegra124_functions),
 	.groups = tegra124_groups,
 	.ngroups = ARRAY_SIZE(tegra124_groups),
+	.hsm_in_mux = false,
+	.schmitt_in_mux = false,
+	.drvtype_in_mux = false,
 };
 
 static int tegra124_pinctrl_probe(struct platform_device *pdev)
diff --git a/drivers/pinctrl/pinctrl-tegra20.c b/drivers/pinctrl/pinctrl-tegra20.c
index d3a5722..4833db4 100644
--- a/drivers/pinctrl/pinctrl-tegra20.c
+++ b/drivers/pinctrl/pinctrl-tegra20.c
@@ -2221,6 +2221,9 @@ static const struct tegra_pinctrl_soc_data tegra20_pinctrl = {
 	.nfunctions = ARRAY_SIZE(tegra20_functions),
 	.groups = tegra20_groups,
 	.ngroups = ARRAY_SIZE(tegra20_groups),
+	.hsm_in_mux = false,
+	.schmitt_in_mux = false,
+	.drvtype_in_mux = false,
 };
 
 static int tegra20_pinctrl_probe(struct platform_device *pdev)
diff --git a/drivers/pinctrl/pinctrl-tegra30.c b/drivers/pinctrl/pinctrl-tegra30.c
index 77c0768..47b2fd8 100644
--- a/drivers/pinctrl/pinctrl-tegra30.c
+++ b/drivers/pinctrl/pinctrl-tegra30.c
@@ -2476,6 +2476,9 @@ static const struct tegra_pinctrl_soc_data tegra30_pinctrl = {
 	.nfunctions = ARRAY_SIZE(tegra30_functions),
 	.groups = tegra30_groups,
 	.ngroups = ARRAY_SIZE(tegra30_groups),
+	.hsm_in_mux = false,
+	.schmitt_in_mux = false,
+	.drvtype_in_mux = false,
 };
 
 static int tegra30_pinctrl_probe(struct platform_device *pdev)