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pinctrl: qcom: print egpio mode in debugfs

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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>
This commit is contained in:
Jonathan Marek 2022-02-10 08:12:09 -05:00 committed by Linus Walleij
parent c74803ee45
commit 06e12b7928
1 changed files with 9 additions and 0 deletions
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9
drivers/pinctrl/qcom/pinctrl-msm.c
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@ -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));