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| author | Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com> | 2022-06-17 13:46:58 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2022-06-28 11:29:39 +0300 |
| commit | ad2bea79ef0144043721d4893eef719c907e2e63 (patch) | |
| tree | 42b5201fb14dac73ea9fd29990c864e028ba9b23 /drivers/pinctrl/pinctrl-zynqmp.c | |
| parent | 133ad0d9af99bdca90705dadd8d31c20bfc9919f (diff) | |
| download | linux-ad2bea79ef0144043721d4893eef719c907e2e63.tar.xz | |
pinctrl: pinctrl-zynqmp: Add support for output-enable and bias-high-impedance
Add support to handle 'output-enable' and 'bias-high-impedance'
configurations. As part of the output-enable configuration, ZynqMP pinctrl
driver takes care of removing the pins from tri-state.
Signed-off-by: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com>
Link: https://lore.kernel.org/r/1655462819-28801-4-git-send-email-lakshmi.sai.krishna.potthuri@xilinx.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/pinctrl-zynqmp.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-zynqmp.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-zynqmp.c b/drivers/pinctrl/pinctrl-zynqmp.c index e14012209992..b25e9e76fbf8 100644 --- a/drivers/pinctrl/pinctrl-zynqmp.c +++ b/drivers/pinctrl/pinctrl-zynqmp.c @@ -410,6 +410,10 @@ static int zynqmp_pinconf_cfg_set(struct pinctrl_dev *pctldev, break; case PIN_CONFIG_BIAS_HIGH_IMPEDANCE: + param = PM_PINCTRL_CONFIG_TRI_STATE; + arg = PM_PINCTRL_TRI_STATE_ENABLE; + ret = zynqmp_pm_pinctrl_set_config(pin, param, arg); + break; case PIN_CONFIG_MODE_LOW_POWER: /* * These cases are mentioned in dts but configurable @@ -418,6 +422,11 @@ static int zynqmp_pinconf_cfg_set(struct pinctrl_dev *pctldev, */ ret = 0; break; + case PIN_CONFIG_OUTPUT_ENABLE: + param = PM_PINCTRL_CONFIG_TRI_STATE; + arg = PM_PINCTRL_TRI_STATE_DISABLE; + ret = zynqmp_pm_pinctrl_set_config(pin, param, arg); + break; default: dev_warn(pctldev->dev, "unsupported configuration parameter '%u'\n", |