@@ -105,8 +105,10 @@ static void uniphier_pinmux_set_one(struct udevice *dev, unsigned pin,
int muxval)
{
struct uniphier_pinctrl_priv *priv = dev_get_priv(dev);
- unsigned mux_bits, reg_stride, reg, reg_end, shift, mask;
- bool load_pinctrl;
+ unsigned reg, reg_end, shift, mask;
+ unsigned mux_bits = 8;
+ unsigned reg_stride = 4;
+ bool load_pinctrl = false;
u32 tmp;
/* some pins need input-enabling */
@@ -115,24 +117,18 @@ static void uniphier_pinmux_set_one(struct udevice *dev, unsigned pin,
if (muxval < 0)
return; /* dedicated pin; nothing to do for pin-mux */
+ if (priv->socdata->caps & UNIPHIER_PINCTRL_CAPS_MUX_4BIT)
+ mux_bits = 4;
+
if (priv->socdata->caps & UNIPHIER_PINCTRL_CAPS_DBGMUX_SEPARATE) {
/*
* Mode offset bit
* Normal 4 * n shift+3:shift
* Debug 4 * n shift+7:shift+4
*/
- mux_bits = 4;
+ mux_bits /= 2;
reg_stride = 8;
load_pinctrl = true;
- } else {
- /*
- * Mode offset bit
- * Normal 8 * n shift+3:shift
- * Debug 8 * n + 4 shift+3:shift
- */
- mux_bits = 8;
- reg_stride = 4;
- load_pinctrl = false;
}
reg = UNIPHIER_PINCTRL_PINMUX_BASE + pin * mux_bits / 32 * reg_stride;
@@ -67,8 +67,9 @@ struct uniphier_pinctrl_socdata {
const char * const *functions;
int functions_count;
unsigned caps;
-#define UNIPHIER_PINCTRL_CAPS_PERPIN_IECTRL BIT(1)
-#define UNIPHIER_PINCTRL_CAPS_DBGMUX_SEPARATE BIT(0)
+#define UNIPHIER_PINCTRL_CAPS_PERPIN_IECTRL BIT(2)
+#define UNIPHIER_PINCTRL_CAPS_DBGMUX_SEPARATE BIT(1)
+#define UNIPHIER_PINCTRL_CAPS_MUX_4BIT BIT(0)
};
#define UNIPHIER_PINCTRL_PIN(a, b) \
On LD4 SoC or later, the pin-mux registers are 8bit wide, while 4bit wide on sLD3 SoC. Support it for the sLD3 pinctrl driver. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> --- drivers/pinctrl/uniphier/pinctrl-uniphier-core.c | 20 ++++++++------------ drivers/pinctrl/uniphier/pinctrl-uniphier.h | 5 +++-- 2 files changed, 11 insertions(+), 14 deletions(-) -- 1.9.1 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot