pinctrl: qcom: print egpio mode in debugfs

When egpio_enable bit is cleared, the gpio is driven by SSC/LPASS TLMM and
the APSS TLMM settings are ignored. Reflect that in the debugfs dump.

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Link: https://lore.kernel.org/r/20220210131210.24605-2-jonathan@marek.ca
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/qcom/pinctrl-msm.c

@@ -615,6 +615,7 @@ static void msm_gpio_dbg_show_one(struct seq_file *s,
 	int drive;
 	int pull;
 	int val;
+	int egpio_enable;
 	u32 ctl_reg, io_reg;
 
 	static const char * const pulls_keeper[] = {
@@ -641,12 +642,20 @@ static void msm_gpio_dbg_show_one(struct seq_file *s,
 	func = (ctl_reg >> g->mux_bit) & 7;
 	drive = (ctl_reg >> g->drv_bit) & 7;
 	pull = (ctl_reg >> g->pull_bit) & 3;
+	egpio_enable = 0;
+	if (pctrl->soc->egpio_func && ctl_reg & BIT(g->egpio_present))
+		egpio_enable = !(ctl_reg & BIT(g->egpio_enable));
 
 	if (is_out)
 		val = !!(io_reg & BIT(g->out_bit));
 	else
 		val = !!(io_reg & BIT(g->in_bit));
 
+	if (egpio_enable) {
+		seq_printf(s, " %-8s: egpio\n", g->name);
+		return;
+	}
+
 	seq_printf(s, " %-8s: %-3s", g->name, is_out ? "out" : "in");
 	seq_printf(s, " %-4s func%d", val ? "high" : "low", func);
 	seq_printf(s, " %dmA", msm_regval_to_drive(drive));