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5 Commits

Author SHA1 Message Date
Gerhard Engleder
500c77eed0 pinctrl: zynqmp: Revert "Unify pin naming" 
This reverts commit 54784ff249.

This patch changes the pin names from "MIO%d" to "MIO-%d", but all dts
in arch/arm64/boot/dts/xilinx still use the old name. As a result my
ZCU104 has no output on serial terminal and is not reachable over
network.

Signed-off-by: Gerhard Engleder <gerhard@engleder-embedded.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
 2022-01-28 16:52:04 +02:00
Andy Shevchenko
54784ff249 pinctrl: zynqmp: Unify pin naming 
Since we have devm_kasprintf_strarray() helper, which is used in
the rest of pin control drivers, it makes sense to switch this
driver to it. The pin names are not part of any ABI and hence
there will be no regression based on that. Otherwise all generated
pin names will follow the same schema in the pin control subsystem.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
 2021-11-19 10:38:16 +02:00
Yang Yingliang
3fb5c90452 pinctrl: zynqmp: Drop pinctrl_unregister for devm_ registered device 
It's not necessary to unregister pin controller device registered
with devm_pinctrl_register() and using pinctrl_unregister() leads
to a double free.

Fixes: fa99e70138 ("pinctrl: zynqmp: some code cleanups")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/20210729071905.3235953-1-yangyingliang@huawei.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
 2021-08-11 15:09:22 +02:00
Sai Krishna Potthuri
fa99e70138 pinctrl: zynqmp: some code cleanups 
Some minor code cleanups and updates which includes
- Mention module name under help in Kconfig.
- Remove extra lines and duplicate Pin range checks.
- Replace 'return ret' with 'return 0' in success path.
- Copyright year update.
- use devm_pinctrl_register() instead pinctrl_register() in probe.

Signed-off-by: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com>
Link: https://lore.kernel.org/r/1624273214-66849-1-git-send-email-lakshmi.sai.krishna.potthuri@xilinx.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
 2021-06-26 01:44:19 +02:00
Sai Krishna Potthuri
8b242ca700 pinctrl: Add Xilinx ZynqMP pinctrl driver support 
Adding pinctrl driver for Xilinx ZynqMP platform.
This driver queries pin information from firmware and registers
pin control accordingly.

Signed-off-by: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com>
Link: https://lore.kernel.org/r/1619080202-31924-4-git-send-email-lakshmi.sai.krishna.potthuri@xilinx.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
 2021-04-22 11:13:04 +02:00