ARM: tegra: Enable PCIe on Jetson TK1

The Jetson TK1 has an ethernet NIC connected to the PCIe bus and routes
the second root port to a miniPCIe slot. Enable the PCIe controller and
the network driver to allow the device to boot over the network.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>

diff --git a/arch/arm/dts/tegra124-jetson-tk1.dts b/arch/arm/dts/tegra124-jetson-tk1.dts
index 91b4c1d607aafc952a05ede324a84f16e981ac89..51fef54d570e2ebc6fc510cbf86fdab7ed04c3fa 100644 (file)
--- a/arch/arm/dts/tegra124-jetson-tk1.dts
+++ b/arch/arm/dts/tegra124-jetson-tk1.dts
@@ -29,6 +29,26 @@
                reg = <0x80000000 0x80000000>;
        };
 
+       pcie-controller@01003000 {
+               status = "okay";
+
+               avddio-pex-supply = <&vdd_1v05_run>;
+               dvddio-pex-supply = <&vdd_1v05_run>;
+               avdd-pex-pll-supply = <&vdd_1v05_run>;
+               hvdd-pex-supply = <&vdd_3v3_lp0>;
+               hvdd-pex-pll-e-supply = <&vdd_3v3_lp0>;
+               vddio-pex-ctl-supply = <&vdd_3v3_lp0>;
+               avdd-pll-erefe-supply = <&avdd_1v05_run>;
+
+               pci@1,0 {
+                       status = "okay";
+               };
+
+               pci@2,0 {
+                       status = "okay";
+               };
+       };
+
        i2c@7000c000 {
                status = "okay";
                clock-frequency = <100000>;
@@ -49,9 +69,195 @@
                clock-frequency = <100000>;
        };
 
+       /* Expansion PWR_I2C_*, on-board components */
        i2c@7000d000 {
                status = "okay";
                clock-frequency = <400000>;
+
+               pmic: pmic@40 {
+                       compatible = "ams,as3722";
+                       reg = <0x40>;
+                       interrupts = <0 86 IRQ_TYPE_LEVEL_HIGH>;
+
+                       ams,system-power-controller;
+
+                       #interrupt-cells = <2>;
+                       interrupt-controller;
+
+                       gpio-controller;
+                       #gpio-cells = <2>;
+
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&as3722_default>;
+
+                       as3722_default: pinmux {
+                               gpio0 {
+                                       pins = "gpio0";
+                                       function = "gpio";
+                                       bias-pull-down;
+                               };
+
+                               gpio1_2_4_7 {
+                                       pins = "gpio1", "gpio2", "gpio4", "gpio7";
+                                       function = "gpio";
+                                       bias-pull-up;
+                               };
+
+                               gpio3_5_6 {
+                                       pins = "gpio3", "gpio5", "gpio6";
+                                       bias-high-impedance;
+                               };
+                       };
+
+                       regulators {
+                               vsup-sd2-supply = <&vdd_5v0_sys>;
+                               vsup-sd3-supply = <&vdd_5v0_sys>;
+                               vsup-sd4-supply = <&vdd_5v0_sys>;
+                               vsup-sd5-supply = <&vdd_5v0_sys>;
+                               vin-ldo0-supply = <&vdd_1v35_lp0>;
+                               vin-ldo1-6-supply = <&vdd_3v3_run>;
+                               vin-ldo2-5-7-supply = <&vddio_1v8>;
+                               vin-ldo3-4-supply = <&vdd_3v3_sys>;
+                               vin-ldo9-10-supply = <&vdd_5v0_sys>;
+                               vin-ldo11-supply = <&vdd_3v3_run>;
+
+                               sd0 {
+                                       regulator-name = "+VDD_CPU_AP";
+                                       regulator-min-microvolt = <700000>;
+                                       regulator-max-microvolt = <1400000>;
+                                       regulator-min-microamp = <3500000>;
+                                       regulator-max-microamp = <3500000>;
+                                       regulator-always-on;
+                                       regulator-boot-on;
+                                       ams,ext-control = <2>;
+                               };
+
+                               sd1 {
+                                       regulator-name = "+VDD_CORE";
+                                       regulator-min-microvolt = <700000>;
+                                       regulator-max-microvolt = <1350000>;
+                                       regulator-min-microamp = <2500000>;
+                                       regulator-max-microamp = <2500000>;
+                                       regulator-always-on;
+                                       regulator-boot-on;
+                                       ams,ext-control = <1>;
+                               };
+
+                               vdd_1v35_lp0: sd2 {
+                                       regulator-name = "+1.35V_LP0(sd2)";
+                                       regulator-min-microvolt = <1350000>;
+                                       regulator-max-microvolt = <1350000>;
+                                       regulator-always-on;
+                                       regulator-boot-on;
+                               };
+
+                               sd3 {
+                                       regulator-name = "+1.35V_LP0(sd3)";
+                                       regulator-min-microvolt = <1350000>;
+                                       regulator-max-microvolt = <1350000>;
+                                       regulator-always-on;
+                                       regulator-boot-on;
+                               };
+
+                               vdd_1v05_run: sd4 {
+                                       regulator-name = "+1.05V_RUN";
+                                       regulator-min-microvolt = <1050000>;
+                                       regulator-max-microvolt = <1050000>;
+                               };
+
+                               vddio_1v8: sd5 {
+                                       regulator-name = "+1.8V_VDDIO";
+                                       regulator-min-microvolt = <1800000>;
+                                       regulator-max-microvolt = <1800000>;
+                                       regulator-boot-on;
+                                       regulator-always-on;
+                               };
+
+                               vdd_gpu: sd6 {
+                                       regulator-name = "+VDD_GPU_AP";
+                                       regulator-min-microvolt = <650000>;
+                                       regulator-max-microvolt = <1200000>;
+                                       regulator-min-microamp = <3500000>;
+                                       regulator-max-microamp = <3500000>;
+                                       regulator-boot-on;
+                                       regulator-always-on;
+                               };
+
+                               avdd_1v05_run: ldo0 {
+                                       regulator-name = "+1.05V_RUN_AVDD";
+                                       regulator-min-microvolt = <1050000>;
+                                       regulator-max-microvolt = <1050000>;
+                                       regulator-boot-on;
+                                       regulator-always-on;
+                                       ams,ext-control = <1>;
+                               };
+
+                               ldo1 {
+                                       regulator-name = "+1.8V_RUN_CAM";
+                                       regulator-min-microvolt = <1800000>;
+                                       regulator-max-microvolt = <1800000>;
+                               };
+
+                               ldo2 {
+                                       regulator-name = "+1.2V_GEN_AVDD";
+                                       regulator-min-microvolt = <1200000>;
+                                       regulator-max-microvolt = <1200000>;
+                                       regulator-boot-on;
+                                       regulator-always-on;
+                               };
+
+                               ldo3 {
+                                       regulator-name = "+1.05V_LP0_VDD_RTC";
+                                       regulator-min-microvolt = <1000000>;
+                                       regulator-max-microvolt = <1000000>;
+                                       regulator-boot-on;
+                                       regulator-always-on;
+                                       ams,enable-tracking;
+                               };
+
+                               ldo4 {
+                                       regulator-name = "+2.8V_RUN_CAM";
+                                       regulator-min-microvolt = <2800000>;
+                                       regulator-max-microvolt = <2800000>;
+                               };
+
+                               ldo5 {
+                                       regulator-name = "+1.2V_RUN_CAM_FRONT";
+                                       regulator-min-microvolt = <1200000>;
+                                       regulator-max-microvolt = <1200000>;
+                               };
+
+                               vddio_sdmmc3: ldo6 {
+                                       regulator-name = "+VDDIO_SDMMC3";
+                                       regulator-min-microvolt = <1800000>;
+                                       regulator-max-microvolt = <3300000>;
+                               };
+
+                               ldo7 {
+                                       regulator-name = "+1.05V_RUN_CAM_REAR";
+                                       regulator-min-microvolt = <1050000>;
+                                       regulator-max-microvolt = <1050000>;
+                               };
+
+                               ldo9 {
+                                       regulator-name = "+3.3V_RUN_TOUCH";
+                                       regulator-min-microvolt = <2800000>;
+                                       regulator-max-microvolt = <2800000>;
+                               };
+
+                               ldo10 {
+                                       regulator-name = "+2.8V_RUN_CAM_AF";
+                                       regulator-min-microvolt = <2800000>;
+                                       regulator-max-microvolt = <2800000>;
+                               };
+
+                               ldo11 {
+                                       regulator-name = "+1.8V_RUN_VPP_FUSE";
+                                       regulator-min-microvolt = <1800000>;
+                                       regulator-max-microvolt = <1800000>;
+                               };
+                       };
+               };
        };
 
        i2c@7000d100 {
@@ -117,4 +323,145 @@
                status = "okay";
                nvidia,vbus-gpio = <&gpio 109 0>; /* gpio PN5, USB_VBUS_EN1 */
        };
+
+       regulators {
+               compatible = "simple-bus";
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               vdd_mux: regulator@0 {
+                       compatible = "regulator-fixed";
+                       reg = <0>;
+                       regulator-name = "+VDD_MUX";
+                       regulator-min-microvolt = <12000000>;
+                       regulator-max-microvolt = <12000000>;
+                       regulator-always-on;
+                       regulator-boot-on;
+               };
+
+               vdd_5v0_sys: regulator@1 {
+                       compatible = "regulator-fixed";
+                       reg = <1>;
+                       regulator-name = "+5V_SYS";
+                       regulator-min-microvolt = <5000000>;
+                       regulator-max-microvolt = <5000000>;
+                       regulator-always-on;
+                       regulator-boot-on;
+                       vin-supply = <&vdd_mux>;
+               };
+
+               vdd_3v3_sys: regulator@2 {
+                       compatible = "regulator-fixed";
+                       reg = <2>;
+                       regulator-name = "+3.3V_SYS";
+                       regulator-min-microvolt = <3300000>;
+                       regulator-max-microvolt = <3300000>;
+                       regulator-always-on;
+                       regulator-boot-on;
+                       vin-supply = <&vdd_mux>;
+               };
+
+               vdd_3v3_run: regulator@3 {
+                       compatible = "regulator-fixed";
+                       reg = <3>;
+                       regulator-name = "+3.3V_RUN";
+                       regulator-min-microvolt = <3300000>;
+                       regulator-max-microvolt = <3300000>;
+                       regulator-always-on;
+                       regulator-boot-on;
+                       gpio = <&pmic 1 GPIO_ACTIVE_HIGH>;
+                       enable-active-high;
+                       vin-supply = <&vdd_3v3_sys>;
+               };
+
+               vdd_3v3_hdmi: regulator@4 {
+                       compatible = "regulator-fixed";
+                       reg = <4>;
+                       regulator-name = "+3.3V_AVDD_HDMI_AP_GATED";
+                       regulator-min-microvolt = <3300000>;
+                       regulator-max-microvolt = <3300000>;
+                       vin-supply = <&vdd_3v3_run>;
+               };
+
+               vdd_usb1_vbus: regulator@7 {
+                       compatible = "regulator-fixed";
+                       reg = <7>;
+                       regulator-name = "+USB0_VBUS_SW";
+                       regulator-min-microvolt = <5000000>;
+                       regulator-max-microvolt = <5000000>;
+                       gpio = <&gpio TEGRA_GPIO(N, 4) GPIO_ACTIVE_HIGH>;
+                       enable-active-high;
+                       gpio-open-drain;
+                       vin-supply = <&vdd_5v0_sys>;
+               };
+
+               vdd_usb3_vbus: regulator@8 {
+                       compatible = "regulator-fixed";
+                       reg = <8>;
+                       regulator-name = "+5V_USB_HS";
+                       regulator-min-microvolt = <5000000>;
+                       regulator-max-microvolt = <5000000>;
+                       gpio = <&gpio TEGRA_GPIO(N, 5) GPIO_ACTIVE_HIGH>;
+                       enable-active-high;
+                       gpio-open-drain;
+                       vin-supply = <&vdd_5v0_sys>;
+               };
+
+               vdd_3v3_lp0: regulator@10 {
+                       compatible = "regulator-fixed";
+                       reg = <10>;
+                       regulator-name = "+3.3V_LP0";
+                       regulator-min-microvolt = <3300000>;
+                       regulator-max-microvolt = <3300000>;
+                       regulator-always-on;
+                       regulator-boot-on;
+                       gpio = <&pmic 2 GPIO_ACTIVE_HIGH>;
+                       enable-active-high;
+                       vin-supply = <&vdd_3v3_sys>;
+               };
+
+               vdd_hdmi_pll: regulator@11 {
+                       compatible = "regulator-fixed";
+                       reg = <11>;
+                       regulator-name = "+1.05V_RUN_AVDD_HDMI_PLL";
+                       regulator-min-microvolt = <1050000>;
+                       regulator-max-microvolt = <1050000>;
+                       gpio = <&gpio TEGRA_GPIO(H, 7) GPIO_ACTIVE_LOW>;
+                       vin-supply = <&vdd_1v05_run>;
+               };
+
+               vdd_5v0_hdmi: regulator@12 {
+                       compatible = "regulator-fixed";
+                       reg = <12>;
+                       regulator-name = "+5V_HDMI_CON";
+                       regulator-min-microvolt = <5000000>;
+                       regulator-max-microvolt = <5000000>;
+                       gpio = <&gpio TEGRA_GPIO(K, 6) GPIO_ACTIVE_HIGH>;
+                       enable-active-high;
+                       vin-supply = <&vdd_5v0_sys>;
+               };
+
+               /* Molex power connector */
+               vdd_5v0_sata: regulator@13 {
+                       compatible = "regulator-fixed";
+                       reg = <13>;
+                       regulator-name = "+5V_SATA";
+                       regulator-min-microvolt = <5000000>;
+                       regulator-max-microvolt = <5000000>;
+                       gpio = <&gpio TEGRA_GPIO(EE, 2) GPIO_ACTIVE_HIGH>;
+                       enable-active-high;
+                       vin-supply = <&vdd_5v0_sys>;
+               };
+
+               vdd_12v0_sata: regulator@14 {
+                       compatible = "regulator-fixed";
+                       reg = <14>;
+                       regulator-name = "+12V_SATA";
+                       regulator-min-microvolt = <12000000>;
+                       regulator-max-microvolt = <12000000>;
+                       gpio = <&gpio TEGRA_GPIO(EE, 2) GPIO_ACTIVE_HIGH>;
+                       enable-active-high;
+                       vin-supply = <&vdd_mux>;
+               };
+       };
 };

diff --git a/board/nvidia/jetson-tk1/jetson-tk1.c b/board/nvidia/jetson-tk1/jetson-tk1.c
index 5d37718f3b89e8b8109f30c8c8876be60179c1fb..daa74a4be02f029949803b6a3a21d435f4bb9e9c 100644 (file)
--- a/board/nvidia/jetson-tk1/jetson-tk1.c
+++ b/board/nvidia/jetson-tk1/jetson-tk1.c
@@ -6,10 +6,16 @@
  */
 
 #include <common.h>
+#include <netdev.h>
+#include <power/as3722.h>
+
 #include <asm/arch/gpio.h>
 #include <asm/arch/pinmux.h>
+
 #include "pinmux-config-jetson-tk1.h"
 
+DECLARE_GLOBAL_DATA_PTR;
+
 /*
  * Routine: pinmux_init
  * Description: Do individual peripheral pinmux configs
@@ -27,3 +33,49 @@ void pinmux_init(void)
        pinmux_config_drvgrp_table(jetson_tk1_drvgrps,
                                   ARRAY_SIZE(jetson_tk1_drvgrps));
 }
+
+#ifdef CONFIG_PCI_TEGRA
+int tegra_pcie_board_init(void)
+{
+       struct udevice *pmic;
+       int err;
+
+       err = as3722_init(&pmic);
+       if (err) {
+               error("failed to initialize AS3722 PMIC: %d\n", err);
+               return err;
+       }
+
+       err = as3722_sd_enable(pmic, 4);
+       if (err < 0) {
+               error("failed to enable SD4: %d\n", err);
+               return err;
+       }
+
+       err = as3722_sd_set_voltage(pmic, 4, 0x24);
+       if (err < 0) {
+               error("failed to set SD4 voltage: %d\n", err);
+               return err;
+       }
+
+       err = as3722_gpio_configure(pmic, 1, AS3722_GPIO_OUTPUT_VDDH |
+                                            AS3722_GPIO_INVERT);
+       if (err < 0) {
+               error("failed to configure GPIO#1 as output: %d\n", err);
+               return err;
+       }
+
+       err = as3722_gpio_direction_output(pmic, 2, 1);
+       if (err < 0) {
+               error("failed to set GPIO#2 high: %d\n", err);
+               return err;
+       }
+
+       return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+       return pci_eth_init(bis);
+}
+#endif /* PCI */

diff --git a/include/configs/jetson-tk1.h b/include/configs/jetson-tk1.h
index a7d76650ce6e0d26098eefb50a8187d332947678..0a79c7cfc361ead7f91ae7b5d1d9d226d1593dbb 100644 (file)
--- a/include/configs/jetson-tk1.h
+++ b/include/configs/jetson-tk1.h
@@ -10,6 +10,9 @@
 
 #include <linux/sizes.h>
 
+/* enable PMIC */
+#define CONFIG_AS3722_POWER
+
 #include "tegra124-common.h"
 
 /* High-level configuration options */
@@ -61,6 +64,16 @@
 #define CONFIG_USB_HOST_ETHER
 #define CONFIG_USB_ETHER_ASIX
 
+/* PCI host support */
+#define CONFIG_PCI
+#define CONFIG_PCI_TEGRA
+#define CONFIG_PCI_PNP
+#define CONFIG_CMD_PCI
+#define CONFIG_CMD_PCI_ENUM
+
+/* PCI networking support */
+#define CONFIG_RTL8169
+
 /* General networking support */
 #define CONFIG_CMD_NET
 #define CONFIG_CMD_DHCP