Table Contents

CONFIG_PINCTRL=y
CONFIG_PINCTRL_ZYNQMP=y
CONFIG_ARCH_ZYNQMP=y
CONFIG_PINMUX=y
CONFIG_GENERIC_PINCONF=y
 

Devicetree (for 2018.1 release)

pinctrl0: pinctrl {
        compatible = "xlnx,zynqmp-pinctrl";
        status = "disabled";
        pinctrl_uart1_default: uart1-default {
                mux {
                        groups = "uart1_0_grp";
                        function = "uart1";
                };
 
                conf {
                        groups = "uart1_0_grp";
                        slew-rate = <SLEW_RATE_SLOW>;
                        io-standard = <IO_STANDARD_LVCMOS18>;
                };
 
                conf-rx {
                        pins = "MIO1";
                        bias-high-impedance;
                };
 
                conf-tx {
                        pins = "MIO0";
                        bias-disable;
                };
        };
 
};

Devicetree (for 2017.4 and earlier releases)

pinctrl0: pinctrl@ff180000 {
        compatible = "xlnx,pinctrl-zynqmp";
        status = "disabled";
        reg = <0x0 0xff180000 0x0 0x1000>;
 
        pinctrl_uart1_default: uart1-default {
                mux {
                        groups = "uart0_4_grp";
                        function = "uart0";
                };
 
                conf {
                        groups = "uart0_4_grp";
                        slew-rate = <SLEW_RATE_SLOW>;
                        io-standard = <IO_STANDARD_LVCMOS18>;
                };
 
                conf-rx {
                        pins = "MIO18";
                        bias-high-impedance;
                };
 
                conf-tx {
                        pins = "MIO19";
                        bias-disable;
                        schmitt-cmos = <PIN_INPUT_TYPE_CMOS>;
                };
        };
};

Test procedure

Expected Output

Mainline Status

In sync with mainline driver.

Change Log

Summary:

• pinctrl: zynqmp: Add pin controller driver
• pinctrl: zynqmp: Resolved pin conflicts
• pinctrl: zynqmp: 1bit and 4bit data lane support for sdio
• pinctrl: zynqmp: Updated pmu pin groups
• pinctrl: zynqmp: Warning on IO Standard mismatch
• pinctrl: zynqmp: Updated error handling in config set
• pinctrl: zynqmp: Added support for drive strength configuration
• pinctrl: zynqmp: Reset pin config when it's freed
• pinctrl: zynqmp: Fix code and documentation warnings

• a95257b pinctrl: zynqmp: Add pin controller driver
• 5b41a9c pinctrl: zynqmp: Resolved pin conflicts
• 19be687 pinctrl: zynqmp: 1bit and 4bit data lane support for sdio
• 2bbdb44 pinctrl: zynqmp: Updated pmu pin groups
• 17aabf1 pinctrl: zynqmp: Warning on IO Standard mismatch
• fa365ff pinctrl: zynqmp: Updated error handling in config set
• bdc3cb5 pinctrl: zynqmp: Added support for drive strength configuration
• 089db66 pinctrl: zynqmp: Reset pin config when it's freed
• 322b2e7 pinctrl: zynqmp: Fix code and documentation warnings

• None

• pinctrl: zynqmp: make it explicitly non-modular
• pinctrl: zynqmp: Remove additional space in DRIVE_STRENGTH
• zynqmp: Use new firmware.h instead of pm.h

• 99158ea pinctrl: zynqmp: make it explicitly non-modular
• 67fd56e pinctrl: zynqmp: Remove additional space in DRIVE_STRENGTH
• 5e81ba5 zynqmp: Use new firmware.h instead of pm.h

• None.

• support for output-enable and bias-high impedance

Commits:

• 8005504

2023.1

Summary:

• Add new pincontrol driver which fetches pin information from firmware than using hardcoded pins in driver

• 5807afd pinctrl: zynqmp: Correct mismatch between driver and binding doc
• e0a388f drivers: pinctrl: Update ZynqMP pin control driver

• None.

2019.1

• None.

2019.2

Summary:

• drivers: Defer probe if firmware is not ready

Commits:

• 6a63448: drivers: Defer probe if firmware is not ready

2020.1

Summary:

• pinctrl: zynqmp: use module_platform_driver to simplify the code

Commits:

• 065cafc: pinctrl: zynqmp: use module_platform_driver to simplify the code

• Use pin numbers stored in pin descriptor
• Add support for Versal platform

Commits:

• 22191ee, 9b49702

2022.2

Summary:

• Minor: Fix coverity warningsFix kernel-doc warning

Commits:

• ce42934, 741f15c, 1b842b4, 11b2dea

• 3171023

2022.1

Summary:

• Sync the driver with mainline.

Commits:

• 5d351d8,  7f7ff63

• None

2021.2

Summary:

• some code cleanups
• Drop pinctrl_unregister for devm_ registered device

Commits:

• 0540861,  d06d5c9

20222021.1

• None

2022.2

Summary:

• Fix kernel-doc warning

Commits:

• 3171023

2023.1

Summary:

• Use pin numbers stored in pin descriptor
• Add support for Versal platformSync the driver with mainline.

Commits:

• 22191ee, 9b49702

2023.2

Summary:

• Add support for output-enable and bias-high impedance

Commits:

• 80055045d351d8,  7f7ff63

Related Links