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authorStephen Warren <swarren@nvidia.com>2015-02-24 14:00:49 -0700
committerLinus Walleij <linus.walleij@linaro.org>2015-03-09 18:10:58 +0100
commitea623061930ccf6d37b4a09a4e65a26fcf552c22 (patch)
tree9f0b8b54e1eeb73aced4ae5ce25c4a53699a9fff
parent8d4684b39b5865ef5471a256adfcd8d7c3e18d43 (diff)
downloadlinux-ea623061930ccf6d37b4a09a4e65a26fcf552c22.tar.bz2
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>
-rw-r--r--drivers/pinctrl/pinctrl-tegra.c27
-rw-r--r--drivers/pinctrl/pinctrl-tegra.h3
-rw-r--r--drivers/pinctrl/pinctrl-tegra114.c3
-rw-r--r--drivers/pinctrl/pinctrl-tegra124.c3
-rw-r--r--drivers/pinctrl/pinctrl-tegra20.c3
-rw-r--r--drivers/pinctrl/pinctrl-tegra30.c3
6 files changed, 36 insertions, 6 deletions
diff --git a/drivers/pinctrl/pinctrl-tegra.c b/drivers/pinctrl/pinctrl-tegra.c
index e5949d51bc52..6cd651a88398 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 8d94d1332e7b..d54ab9d38792 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 0740cdba7508..05e49d5137ab 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 b7ba26064dbf..7cd44c7c296d 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 d3a5722e4acb..4833db4433d9 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 77c0768d5bd8..47b2fd8bb2e9 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)