[U-Boot] [PATCH 24/40] arm64: zynqmp: Update device tree for pinmux
Michal Simek
michal.simek at xilinx.com
Mon Nov 6 12:12:56 UTC 2017
Added pin control support in device tree for zynqmp.
Signed-off-by: Chirag Parekh <chirag.parekh at xilinx.com>
Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---
arch/arm/dts/zynqmp-zcu102-revA.dts | 289 +++++++++++++++++++++++++++
arch/arm/dts/zynqmp.dtsi | 6 +
include/dt-bindings/pinctrl/pinctrl-zynqmp.h | 30 +++
3 files changed, 325 insertions(+)
create mode 100644 include/dt-bindings/pinctrl/pinctrl-zynqmp.h
diff --git a/arch/arm/dts/zynqmp-zcu102-revA.dts b/arch/arm/dts/zynqmp-zcu102-revA.dts
index 66dc110a964c..eb361b00362a 100644
--- a/arch/arm/dts/zynqmp-zcu102-revA.dts
+++ b/arch/arm/dts/zynqmp-zcu102-revA.dts
@@ -13,6 +13,7 @@
#include "zynqmp.dtsi"
#include "zynqmp-clk.dtsi"
#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/pinctrl-zynqmp.h>
/ {
model = "ZynqMP ZCU102 RevA";
@@ -68,6 +69,8 @@
&can1 {
status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_can1_default>;
};
&dcc {
@@ -120,6 +123,8 @@
status = "okay";
phy-handle = <&phy0>;
phy-mode = "rgmii-id";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gem3_default>;
phy0: phy at 21 {
reg = <21>;
ti,rx-internal-delay = <0x8>;
@@ -130,6 +135,8 @@
&gpio {
status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpio_default>;
};
&gpu {
@@ -139,6 +146,11 @@
&i2c0 {
status = "okay";
clock-frequency = <400000>;
+ pinctrl-names = "default", "gpio";
+ pinctrl-0 = <&pinctrl_i2c0_default>;
+ pinctrl-1 = <&pinctrl_i2c0_gpio>;
+ scl-gpios = <&gpio 14 GPIO_ACTIVE_HIGH>;
+ sda-gpios = <&gpio 15 GPIO_ACTIVE_HIGH>;
tca6416_u97: gpio at 20 {
/*
@@ -400,6 +412,12 @@ drivers/hwmon/pmbus/Makefile:11:obj-$(CONFIG_SENSORS_MAX20751) += max20751.o
&i2c1 {
status = "okay";
clock-frequency = <400000>;
+ pinctrl-names = "default", "gpio";
+ pinctrl-0 = <&pinctrl_i2c1_default>;
+ pinctrl-1 = <&pinctrl_i2c1_gpio>;
+ scl-gpios = <&gpio 16 GPIO_ACTIVE_HIGH>;
+ sda-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>;
+
/* FIXME PL i2c via PCA9306 - u45 */
/* FIXME MSP430 - u41 - not detected */
i2cswitch at 74 { /* u34 */
@@ -549,6 +567,269 @@ drivers/hwmon/pmbus/Makefile:11:obj-$(CONFIG_SENSORS_MAX20751) += max20751.o
};
};
+&pinctrl0 {
+ status = "okay";
+ pinctrl_i2c0_default: i2c0-default {
+ mux {
+ groups = "i2c0_3_grp";
+ function = "i2c0";
+ };
+
+ conf {
+ groups = "i2c0_3_grp";
+ bias-pull-up;
+ slew-rate = <SLEW_RATE_SLOW>;
+ io-standard = <IO_STANDARD_LVCMOS18>;
+ };
+ };
+
+ pinctrl_i2c0_gpio: i2c0-gpio {
+ mux {
+ groups = "gpio0_14_grp", "gpio0_15_grp";
+ function = "gpio0";
+ };
+
+ conf {
+ groups = "gpio0_14_grp", "gpio0_15_grp";
+ slew-rate = <SLEW_RATE_SLOW>;
+ io-standard = <IO_STANDARD_LVCMOS18>;
+ };
+ };
+
+ pinctrl_i2c1_default: i2c1-default {
+ mux {
+ groups = "i2c1_4_grp";
+ function = "i2c1";
+ };
+
+ conf {
+ groups = "i2c1_4_grp";
+ bias-pull-up;
+ slew-rate = <SLEW_RATE_SLOW>;
+ io-standard = <IO_STANDARD_LVCMOS18>;
+ };
+ };
+
+ pinctrl_i2c1_gpio: i2c1-gpio {
+ mux {
+ groups = "gpio0_16_grp", "gpio0_17_grp";
+ function = "gpio0";
+ };
+
+ conf {
+ groups = "gpio0_16_grp", "gpio0_17_grp";
+ slew-rate = <SLEW_RATE_SLOW>;
+ io-standard = <IO_STANDARD_LVCMOS18>;
+ };
+ };
+
+ pinctrl_uart0_default: uart0-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;
+ };
+ };
+
+ pinctrl_uart1_default: uart1-default {
+ mux {
+ groups = "uart1_5_grp";
+ function = "uart1";
+ };
+
+ conf {
+ groups = "uart1_5_grp";
+ slew-rate = <SLEW_RATE_SLOW>;
+ io-standard = <IO_STANDARD_LVCMOS18>;
+ };
+
+ conf-rx {
+ pins = "MIO21";
+ bias-high-impedance;
+ };
+
+ conf-tx {
+ pins = "MIO20";
+ bias-disable;
+ };
+ };
+
+ pinctrl_usb0_default: usb0-default {
+ mux {
+ groups = "usb0_0_grp";
+ function = "usb0";
+ };
+
+ conf {
+ groups = "usb0_0_grp";
+ slew-rate = <SLEW_RATE_SLOW>;
+ io-standard = <IO_STANDARD_LVCMOS18>;
+ };
+
+ conf-rx {
+ pins = "MIO52", "MIO53", "MIO55";
+ bias-high-impedance;
+ };
+
+ conf-tx {
+ pins = "MIO54", "MIO56", "MIO57", "MIO58", "MIO59",
+ "MIO60", "MIO61", "MIO62", "MIO63";
+ bias-disable;
+ };
+ };
+
+ pinctrl_gem3_default: gem3-default {
+ mux {
+ function = "ethernet3";
+ groups = "ethernet3_0_grp";
+ };
+
+ conf {
+ groups = "ethernet3_0_grp";
+ slew-rate = <SLEW_RATE_SLOW>;
+ io-standard = <IO_STANDARD_LVCMOS18>;
+ };
+
+ conf-rx {
+ pins = "MIO70", "MIO71", "MIO72", "MIO73", "MIO74",
+ "MIO75";
+ bias-high-impedance;
+ low-power-disable;
+ };
+
+ conf-tx {
+ pins = "MIO64", "MIO65", "MIO66", "MIO67", "MIO68",
+ "MIO69";
+ bias-disable;
+ low-power-enable;
+ };
+
+ mux-mdio {
+ function = "mdio3";
+ groups = "mdio3_0_grp";
+ };
+
+ conf-mdio {
+ groups = "mdio3_0_grp";
+ slew-rate = <SLEW_RATE_SLOW>;
+ io-standard = <IO_STANDARD_LVCMOS18>;
+ bias-disable;
+ };
+ };
+
+ pinctrl_can1_default: can1-default {
+ mux {
+ function = "can1";
+ groups = "can1_6_grp";
+ };
+
+ conf {
+ groups = "can1_6_grp";
+ slew-rate = <SLEW_RATE_SLOW>;
+ io-standard = <IO_STANDARD_LVCMOS18>;
+ };
+
+ conf-rx {
+ pins = "MIO25";
+ bias-high-impedance;
+ };
+
+ conf-tx {
+ pins = "MIO24";
+ bias-disable;
+ };
+ };
+
+ pinctrl_sdhci1_default: sdhci1-default {
+ mux {
+ groups = "sdio1_0_grp";
+ function = "sdio1";
+ };
+
+ conf {
+ groups = "sdio1_0_grp";
+ slew-rate = <SLEW_RATE_SLOW>;
+ io-standard = <IO_STANDARD_LVCMOS18>;
+ bias-disable;
+ };
+
+ mux-cd {
+ groups = "sdio1_0_cd_grp";
+ function = "sdio1_cd";
+ };
+
+ conf-cd {
+ groups = "sdio1_0_cd_grp";
+ bias-high-impedance;
+ bias-pull-up;
+ slew-rate = <SLEW_RATE_SLOW>;
+ io-standard = <IO_STANDARD_LVCMOS18>;
+ };
+
+ mux-wp {
+ groups = "sdio1_0_wp_grp";
+ function = "sdio1_wp";
+ };
+
+ conf-wp {
+ groups = "sdio1_0_wp_grp";
+ bias-high-impedance;
+ bias-pull-up;
+ slew-rate = <SLEW_RATE_SLOW>;
+ io-standard = <IO_STANDARD_LVCMOS18>;
+ };
+ };
+
+ pinctrl_gpio_default: gpio-default {
+ mux-sw {
+ function = "gpio0";
+ groups = "gpio0_22_grp", "gpio0_23_grp";
+ };
+
+ conf-sw {
+ groups = "gpio0_22_grp", "gpio0_23_grp";
+ slew-rate = <SLEW_RATE_SLOW>;
+ io-standard = <IO_STANDARD_LVCMOS18>;
+ };
+
+ mux-msp {
+ function = "gpio0";
+ groups = "gpio0_13_grp", "gpio0_38_grp";
+ };
+
+ conf-msp {
+ groups = "gpio0_13_grp", "gpio0_38_grp";
+ slew-rate = <SLEW_RATE_SLOW>;
+ io-standard = <IO_STANDARD_LVCMOS18>;
+ };
+
+ conf-pull-up {
+ pins = "MIO22", "MIO23";
+ bias-pull-up;
+ };
+
+ conf-pull-none {
+ pins = "MIO13", "MIO38";
+ bias-disable;
+ };
+ };
+};
+
&pcie {
status = "okay";
};
@@ -603,21 +884,29 @@ drivers/hwmon/pmbus/Makefile:11:obj-$(CONFIG_SENSORS_MAX20751) += max20751.o
/* SD1 with level shifter */
&sdhci1 {
status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sdhci1_default>;
no-1-8-v; /* for 1.0 silicon */
xlnx,mio_bank = <1>;
};
&uart0 {
status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart0_default>;
};
&uart1 {
status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart1_default>;
};
/* ULPI SMSC USB3320 */
&usb0 {
status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usb0_default>;
};
&dwc3_0 {
diff --git a/arch/arm/dts/zynqmp.dtsi b/arch/arm/dts/zynqmp.dtsi
index 07b99233b3d2..54e0edbbb9a3 100644
--- a/arch/arm/dts/zynqmp.dtsi
+++ b/arch/arm/dts/zynqmp.dtsi
@@ -830,6 +830,12 @@
power-domains = <&pd_sd1>;
};
+ pinctrl0: pinctrl at ff180000 {
+ compatible = "xlnx,pinctrl-zynqmp";
+ status = "disabled";
+ reg = <0x0 0xff180000 0x0 0x1000>;
+ };
+
smmu: smmu at fd800000 {
compatible = "arm,mmu-500";
reg = <0x0 0xfd800000 0x0 0x20000>;
diff --git a/include/dt-bindings/pinctrl/pinctrl-zynqmp.h b/include/dt-bindings/pinctrl/pinctrl-zynqmp.h
new file mode 100644
index 000000000000..e1b81fe5ef2f
--- /dev/null
+++ b/include/dt-bindings/pinctrl/pinctrl-zynqmp.h
@@ -0,0 +1,30 @@
+/*
+ * MIO pin configuration defines for Xilinx ZynqMP
+ *
+ * Copyright (C) 2017 Xilinx, Inc.
+ * Author: Chirag Parekh <chirag.parekh at xilinx.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _DT_BINDINGS_PINCTRL_ZYNQMP_H
+#define _DT_BINDINGS_PINCTRL_ZYNQMP_H
+
+/* Bit value for IO standards */
+#define IO_STANDARD_LVCMOS33 0
+#define IO_STANDARD_LVCMOS18 1
+
+/* Bit values for Slew Rates */
+#define SLEW_RATE_FAST 0
+#define SLEW_RATE_SLOW 1
+
+/* Bit values for Pin inputs */
+#define PIN_INPUT_TYPE_CMOS 0
+#define PIN_INPUT_TYPE_SCHMITT 1
+
+#endif /* _DT_BINDINGS_PINCTRL_ZYNQMP_H */
--
1.9.1
More information about the U-Boot
mailing list