pinctrl: tegra: Support 32 bit register access

Tegra194 chip has 32 bit pinctrl registers. Existing register defines in
header are only 16 bit.
Modified common pinctrl-tegra driver to support 32 bit registers of
Tegra 194 and later chips.
Signed-off-by: Krishna Yarlagadda <kyarlagadda@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/tegra/pinctrl-tegra.c

@@ -292,7 +292,7 @@ static int tegra_pinconf_reg(struct tegra_pmx *pmx,
 			     const struct tegra_pingroup *g,
 			     enum tegra_pinconf_param param,
 			     bool report_err,
-			     s8 *bank, s16 *reg, s8 *bit, s8 *width)
+			     s8 *bank, s32 *reg, s8 *bit, s8 *width)
 {
 	switch (param) {
 	case TEGRA_PINCONF_PARAM_PULL:
@@ -451,7 +451,7 @@ static int tegra_pinconf_group_get(struct pinctrl_dev *pctldev,
 	const struct tegra_pingroup *g;
 	int ret;
 	s8 bank, bit, width;
-	s16 reg;
+	s32 reg;
 	u32 val, mask;
 
 	g = &pmx->soc->groups[group];
@@ -480,7 +480,7 @@ static int tegra_pinconf_group_set(struct pinctrl_dev *pctldev,
 	const struct tegra_pingroup *g;
 	int ret, i;
 	s8 bank, bit, width;
-	s16 reg;
+	s32 reg;
 	u32 val, mask;
 
 	g = &pmx->soc->groups[group];
@@ -548,7 +548,7 @@ static void tegra_pinconf_group_dbg_show(struct pinctrl_dev *pctldev,
 	const struct tegra_pingroup *g;
 	int i, ret;
 	s8 bank, bit, width;
-	s16 reg;
+	s32 reg;
 	u32 val;
 
 	g = &pmx->soc->groups[group];

drivers/pinctrl/tegra/pinctrl-tegra.h

@@ -143,10 +143,10 @@ struct tegra_pingroup {
 	const unsigned *pins;
 	u8 npins;
 	u8 funcs[4];
-	s16 mux_reg;
-	s16 pupd_reg;
-	s16 tri_reg;
-	s16 drv_reg;
+	s32 mux_reg;
+	s32 pupd_reg;
+	s32 tri_reg;
+	s32 drv_reg;
 	u32 mux_bank:2;
 	u32 pupd_bank:2;
 	u32 tri_bank:2;