diff options
| author | Prathamesh Shete <pshete@nvidia.com> | 2023-07-14 14:35:47 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2023-07-20 22:34:53 +0300 |
| commit | d1cd5b51bc9152dc2b63c5f843590272d6694d50 (patch) | |
| tree | 3b6ec75f75cd626e9a81824462de972d7597a0cd /drivers/pinctrl/tegra | |
| parent | f14762422003863716064830e837d845c194946d (diff) | |
| download | linux-d1cd5b51bc9152dc2b63c5f843590272d6694d50.tar.xz | |
pinctrl: tegra: Add support to display pin function
The current function for a given pin is not displayed via the debugfs.
Add support to display the current function that is set for each pin.
Signed-off-by: Prathamesh Shete <pshete@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://lore.kernel.org/r/20230714113547.15384-1-pshete@nvidia.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/tegra')
| -rw-r--r-- | drivers/pinctrl/tegra/pinctrl-tegra.c | 19 | ||||
| -rw-r--r-- | drivers/pinctrl/tegra/pinctrl-tegra.h | 2 |
2 files changed, 19 insertions, 2 deletions
diff --git a/drivers/pinctrl/tegra/pinctrl-tegra.c b/drivers/pinctrl/tegra/pinctrl-tegra.c index 4547cf66d03b..cb1d67239cd0 100644 --- a/drivers/pinctrl/tegra/pinctrl-tegra.c +++ b/drivers/pinctrl/tegra/pinctrl-tegra.c @@ -96,6 +96,7 @@ static const struct cfg_param { {"nvidia,slew-rate-falling", TEGRA_PINCONF_PARAM_SLEW_RATE_FALLING}, {"nvidia,slew-rate-rising", TEGRA_PINCONF_PARAM_SLEW_RATE_RISING}, {"nvidia,drive-type", TEGRA_PINCONF_PARAM_DRIVE_TYPE}, + {"nvidia,function", TEGRA_PINCONF_PARAM_FUNCTION}, }; static int tegra_pinctrl_dt_subnode_to_map(struct pinctrl_dev *pctldev, @@ -470,6 +471,12 @@ static int tegra_pinconf_reg(struct tegra_pmx *pmx, *bit = g->drvtype_bit; *width = 2; break; + case TEGRA_PINCONF_PARAM_FUNCTION: + *bank = g->mux_bank; + *reg = g->mux_reg; + *bit = g->mux_bit; + *width = 2; + break; default: dev_err(pmx->dev, "Invalid config param %04x\n", param); return -ENOTSUPP; @@ -633,8 +640,16 @@ static void tegra_pinconf_group_dbg_show(struct pinctrl_dev *pctldev, val >>= bit; val &= (1 << width) - 1; - seq_printf(s, "\n\t%s=%u", - strip_prefix(cfg_params[i].property), val); + if (cfg_params[i].param == TEGRA_PINCONF_PARAM_FUNCTION) { + u8 idx = pmx->soc->groups[group].funcs[val]; + + seq_printf(s, "\n\t%s=%s", + strip_prefix(cfg_params[i].property), + pmx->functions[idx].name); + } else { + seq_printf(s, "\n\t%s=%u", + strip_prefix(cfg_params[i].property), val); + } } } diff --git a/drivers/pinctrl/tegra/pinctrl-tegra.h b/drivers/pinctrl/tegra/pinctrl-tegra.h index b3289bdf727d..e728efeaa4de 100644 --- a/drivers/pinctrl/tegra/pinctrl-tegra.h +++ b/drivers/pinctrl/tegra/pinctrl-tegra.h @@ -54,6 +54,8 @@ enum tegra_pinconf_param { TEGRA_PINCONF_PARAM_SLEW_RATE_RISING, /* argument: Integer, range is HW-dependant */ TEGRA_PINCONF_PARAM_DRIVE_TYPE, + /* argument: pinmux settings */ + TEGRA_PINCONF_PARAM_FUNCTION, }; enum tegra_pinconf_pull { |