From f9f711efd441ad0d22874be49986d92121862335 Mon Sep 17 00:00:00 2001 From: Jon Hunter Date: Fri, 14 Feb 2020 13:53:53 +0000 Subject: arm64: tegra: Fix Tegra194 PCIe compatible string If the kernel configuration option CONFIG_PCIE_DW_PLAT_HOST is enabled then this can cause the kernel to incorrectly probe the generic designware PCIe platform driver instead of the Tegra194 designware PCIe driver. This causes a boot failure on Tegra194 because the necessary configuration to access the hardware is not performed. The order in which the compatible strings are populated in Device-Tree is not relevant in this case, because the kernel will attempt to probe the device as soon as a driver is loaded and if the generic designware PCIe driver is loaded first, then this driver will be probed first. Therefore, to fix this problem, remove the "snps,dw-pcie" string from the compatible string as we never want this driver to be probe on Tegra194. Fixes: 2602c32f15e7 ("arm64: tegra: Add P2U and PCIe controller nodes to Tegra194 DT") Signed-off-by: Jon Hunter Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra194.dtsi | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'arch/arm64/boot/dts') diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi index ccac43be12ac..4c58cb10fb9c 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -1208,7 +1208,7 @@ }; pcie@14100000 { - compatible = "nvidia,tegra194-pcie", "snps,dw-pcie"; + compatible = "nvidia,tegra194-pcie"; power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX1A>; reg = <0x00 0x14100000 0x0 0x00020000 /* appl registers (128K) */ 0x00 0x30000000 0x0 0x00040000 /* configuration space (256K) */ @@ -1253,7 +1253,7 @@ }; pcie@14120000 { - compatible = "nvidia,tegra194-pcie", "snps,dw-pcie"; + compatible = "nvidia,tegra194-pcie"; power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX1A>; reg = <0x00 0x14120000 0x0 0x00020000 /* appl registers (128K) */ 0x00 0x32000000 0x0 0x00040000 /* configuration space (256K) */ @@ -1298,7 +1298,7 @@ }; pcie@14140000 { - compatible = "nvidia,tegra194-pcie", "snps,dw-pcie"; + compatible = "nvidia,tegra194-pcie"; power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX1A>; reg = <0x00 0x14140000 0x0 0x00020000 /* appl registers (128K) */ 0x00 0x34000000 0x0 0x00040000 /* configuration space (256K) */ @@ -1343,7 +1343,7 @@ }; pcie@14160000 { - compatible = "nvidia,tegra194-pcie", "snps,dw-pcie"; + compatible = "nvidia,tegra194-pcie"; power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX4A>; reg = <0x00 0x14160000 0x0 0x00020000 /* appl registers (128K) */ 0x00 0x36000000 0x0 0x00040000 /* configuration space (256K) */ @@ -1388,7 +1388,7 @@ }; pcie@14180000 { - compatible = "nvidia,tegra194-pcie", "snps,dw-pcie"; + compatible = "nvidia,tegra194-pcie"; power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX8B>; reg = <0x00 0x14180000 0x0 0x00020000 /* appl registers (128K) */ 0x00 0x38000000 0x0 0x00040000 /* configuration space (256K) */ @@ -1433,7 +1433,7 @@ }; pcie@141a0000 { - compatible = "nvidia,tegra194-pcie", "snps,dw-pcie"; + compatible = "nvidia,tegra194-pcie"; power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX8A>; reg = <0x00 0x141a0000 0x0 0x00020000 /* appl registers (128K) */ 0x00 0x3a000000 0x0 0x00040000 /* configuration space (256K) */ -- cgit v1.2.3 From fab7a0391b8bd419acbafdae8b7f853acfd3bc90 Mon Sep 17 00:00:00 2001 From: JC Kuo Date: Wed, 12 Feb 2020 14:11:32 +0800 Subject: arm64: tegra: Add XUSB and pad controller on Tegra194 Adds the XUSB pad and XUSB controllers on Tegra194. Signed-off-by: JC Kuo Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra194.dtsi | 139 +++++++++++++++++++++++++++++++ 1 file changed, 139 insertions(+) (limited to 'arch/arm64/boot/dts') diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi index 4c58cb10fb9c..8c1440888482 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -537,6 +537,145 @@ status = "disabled"; }; + xusb_padctl: padctl@3520000 { + compatible = "nvidia,tegra194-xusb-padctl"; + reg = <0x03520000 0x1000>, + <0x03540000 0x1000>; + reg-names = "padctl", "ao"; + + resets = <&bpmp TEGRA194_RESET_XUSB_PADCTL>; + reset-names = "padctl"; + + status = "disabled"; + + pads { + usb2 { + clocks = <&bpmp TEGRA194_CLK_USB2_TRK>; + clock-names = "trk"; + + lanes { + usb2-0 { + nvidia,function = "xusb"; + status = "disabled"; + #phy-cells = <0>; + }; + + usb2-1 { + nvidia,function = "xusb"; + status = "disabled"; + #phy-cells = <0>; + }; + + usb2-2 { + nvidia,function = "xusb"; + status = "disabled"; + #phy-cells = <0>; + }; + + usb2-3 { + nvidia,function = "xusb"; + status = "disabled"; + #phy-cells = <0>; + }; + }; + }; + + usb3 { + lanes { + usb3-0 { + nvidia,function = "xusb"; + status = "disabled"; + #phy-cells = <0>; + }; + + usb3-1 { + nvidia,function = "xusb"; + status = "disabled"; + #phy-cells = <0>; + }; + + usb3-2 { + nvidia,function = "xusb"; + status = "disabled"; + #phy-cells = <0>; + }; + + usb3-3 { + nvidia,function = "xusb"; + status = "disabled"; + #phy-cells = <0>; + }; + }; + }; + }; + + ports { + usb2-0 { + status = "disabled"; + }; + + usb2-1 { + status = "disabled"; + }; + + usb2-2 { + status = "disabled"; + }; + + usb2-3 { + status = "disabled"; + }; + + usb3-0 { + status = "disabled"; + }; + + usb3-1 { + status = "disabled"; + }; + + usb3-2 { + status = "disabled"; + }; + + usb3-3 { + status = "disabled"; + }; + }; + }; + + usb@3610000 { + compatible = "nvidia,tegra194-xusb"; + reg = <0x03610000 0x40000>, + <0x03600000 0x10000>; + reg-names = "hcd", "fpci"; + + interrupts = , + , + ; + + clocks = <&bpmp TEGRA194_CLK_XUSB_CORE_HOST>, + <&bpmp TEGRA194_CLK_XUSB_FALCON>, + <&bpmp TEGRA194_CLK_XUSB_CORE_SS>, + <&bpmp TEGRA194_CLK_XUSB_SS>, + <&bpmp TEGRA194_CLK_CLK_M>, + <&bpmp TEGRA194_CLK_XUSB_FS>, + <&bpmp TEGRA194_CLK_UTMIPLL>, + <&bpmp TEGRA194_CLK_CLK_M>, + <&bpmp TEGRA194_CLK_PLLE>; + clock-names = "xusb_host", "xusb_falcon_src", + "xusb_ss", "xusb_ss_src", "xusb_hs_src", + "xusb_fs_src", "pll_u_480m", "clk_m", + "pll_e"; + + power-domains = <&bpmp TEGRA194_POWER_DOMAIN_XUSBC>, + <&bpmp TEGRA194_POWER_DOMAIN_XUSBA>; + power-domain-names = "xusb_host", "xusb_ss"; + + nvidia,xusb-padctl = <&xusb_padctl>; + status = "disabled"; + }; + fuse@3820000 { compatible = "nvidia,tegra194-efuse"; reg = <0x03820000 0x10000>; -- cgit v1.2.3 From 92f37c0a0e100eb8b7892dc153568dc933517abd Mon Sep 17 00:00:00 2001 From: JC Kuo Date: Wed, 12 Feb 2020 14:11:33 +0800 Subject: arm64: tegra: Enable XUSB host in P2972-0000 board This commit enables XUSB host and pad controller in Tegra194 P2972-0000 board. Signed-off-by: JC Kuo Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 36 ++++++++++++- arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts | 63 ++++++++++++++++++++++ 2 files changed, 98 insertions(+), 1 deletion(-) (limited to 'arch/arm64/boot/dts') diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi index bdd33ff4e324..623f7d7d216b 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi @@ -71,6 +71,29 @@ vmmc-supply = <&vdd_emmc_3v3>; }; + padctl@3520000 { + avdd-usb-supply = <&vdd_usb_3v3>; + vclamp-usb-supply = <&vdd_1v8ao>; + + ports { + usb2-1 { + vbus-supply = <&vdd_5v0_sys>; + }; + + usb2-3 { + vbus-supply = <&vdd_5v_sata>; + }; + + usb3-0 { + vbus-supply = <&vdd_5v0_sys>; + }; + + usb3-3 { + vbus-supply = <&vdd_5v0_sys>; + }; + }; + }; + rtc@c2a0000 { status = "okay"; }; @@ -234,7 +257,7 @@ regulator-max-microvolt = <3300000>; }; - ldo5 { + vdd_usb_3v3: ldo5 { regulator-name = "VDD_USB_3V3"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; @@ -317,5 +340,16 @@ gpio = <&gpio TEGRA194_MAIN_GPIO(A, 1) GPIO_ACTIVE_HIGH>; regulator-boot-on; }; + + vdd_5v_sata: regulator@4 { + compatible = "regulator-fixed"; + reg = <4>; + + regulator-name = "VDD_5V_SATA"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio TEGRA194_MAIN_GPIO(Z, 1) GPIO_ACTIVE_HIGH>; + enable-active-high; + }; }; }; diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts index 985e7d84f161..f9f874d9d0ae 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts @@ -37,6 +37,69 @@ status = "okay"; }; + padctl@3520000 { + status = "okay"; + + pads { + usb2 { + lanes { + usb2-1 { + status = "okay"; + }; + + usb2-3 { + status = "okay"; + }; + }; + }; + + usb3 { + lanes { + usb3-0 { + status = "okay"; + }; + + usb3-3 { + status = "okay"; + }; + }; + }; + }; + + ports { + usb2-1 { + mode = "host"; + status = "okay"; + }; + + usb2-3 { + mode = "host"; + status = "okay"; + }; + + usb3-0 { + nvidia,usb2-companion = <1>; + status = "okay"; + }; + + usb3-3 { + nvidia,usb2-companion = <3>; + maximum-speed = "super-speed"; + status = "okay"; + }; + }; + }; + + usb@3610000 { + status = "okay"; + + phys = <&{/cbb@0/padctl@3520000/pads/usb2/lanes/usb2-1}>, + <&{/cbb@0/padctl@3520000/pads/usb2/lanes/usb2-3}>, + <&{/cbb@0/padctl@3520000/pads/usb3/lanes/usb3-0}>, + <&{/cbb@0/padctl@3520000/pads/usb3/lanes/usb3-3}>; + phy-names = "usb2-1", "usb2-3", "usb3-0", "usb3-3"; + }; + pwm@c340000 { status = "okay"; }; -- cgit v1.2.3 From dbf91ff001e548a87921a8bcf23a295fa43962f1 Mon Sep 17 00:00:00 2001 From: Nagarjuna Kristam Date: Mon, 10 Feb 2020 13:41:39 +0530 Subject: arm64: tegra: Update OTG port entries for Jetson TX1 Populate OTG vbus regulator and add usb-role-switch entry to USB 2-0 port and corresponding connector details. Signed-off-by: Nagarjuna Kristam Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) (limited to 'arch/arm64/boot/dts') diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi index b0095072bc28..18c0610c6353 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi @@ -1336,7 +1336,6 @@ <&{/padctl@7009f000/pads/pcie/lanes/pcie-5}>; phy-names = "usb2-0", "usb2-1", "usb2-2", "usb2-3", "usb3-0", "usb3-1"; - dvddio-pex-supply = <&vdd_pex_1v05>; hvddio-pex-supply = <&vdd_1v8>; avdd-usb-supply = <&vdd_3v3_sys>; @@ -1440,7 +1439,19 @@ ports { usb2-0 { status = "okay"; + vbus-supply = <&vdd_usb_vbus_otg>; mode = "otg"; + + usb-role-switch; + connector { + compatible = "usb-b-connector", + "gpio-usb-b-connector"; + label = "micro-USB"; + type = "micro"; + vbus-gpio = <&gpio TEGRA_GPIO(Z, 0) + GPIO_ACTIVE_LOW>; + id-gpio = <&pmic 0 0>; + }; }; usb2-1 { @@ -1606,6 +1617,17 @@ vin-supply = <&vdd_5v0_sys>; }; + vdd_usb_vbus_otg: regulator@11 { + compatible = "regulator-fixed"; + reg = <9>; + regulator-name = "USB_VBUS_EN0"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio TEGRA_GPIO(CC, 4) GPIO_ACTIVE_HIGH>; + enable-active-high; + vin-supply = <&vdd_5v0_sys>; + }; + vdd_hdmi: regulator@10 { compatible = "regulator-fixed"; reg = <10>; -- cgit v1.2.3 From 6895c83fda8c90737a54179f2f6d3f7b2c3ab9b3 Mon Sep 17 00:00:00 2001 From: Nagarjuna Kristam Date: Mon, 10 Feb 2020 13:41:40 +0530 Subject: arm64: tegra: Update OTG port entries for Jetson TX2 Add usb-role-switch entry to OTG USB port and add corresponding connector details. Signed-off-by: Nagarjuna Kristam Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'arch/arm64/boot/dts') diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts index f1de4ff6230a..a1dcdb9a42d7 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts @@ -174,8 +174,20 @@ usb2-0 { status = "okay"; mode = "otg"; - vbus-supply = <&vdd_usb0>; + + usb-role-switch; + connector { + compatible = "usb-b-connector", + "gpio-usb-b-connector"; + label = "micro-USB"; + type = "micro"; + vbus-gpio = <&gpio + TEGRA186_MAIN_GPIO(X, 7) + GPIO_ACTIVE_LOW>; + id-gpio = <&pmic 0 GPIO_ACTIVE_HIGH>; + }; + }; usb2-1 { -- cgit v1.2.3 From e74db5a5b4876bfea01ee58f5f2e66af13d7f5cd Mon Sep 17 00:00:00 2001 From: Nagarjuna Kristam Date: Mon, 10 Feb 2020 13:41:41 +0530 Subject: arm64: tegra: Add XUDC node for Tegra210 Tegra210 has one XUSB device mode controller, which can be operated in HS and SS modes. Add DT entry for XUSB device mode controller. Signed-off-by: Nagarjuna Kristam Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra210.dtsi | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'arch/arm64/boot/dts') diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi index 48c63256ba7f..dfce47b4c657 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi @@ -1207,6 +1207,25 @@ status = "disabled"; }; + usb@700d0000 { + compatible = "nvidia,tegra210-xudc"; + reg = <0x0 0x700d0000 0x0 0x8000>, + <0x0 0x700d8000 0x0 0x1000>, + <0x0 0x700d9000 0x0 0x1000>; + reg-names = "base", "fpci", "ipfs"; + interrupts = ; + clocks = <&tegra_car TEGRA210_CLK_XUSB_DEV>, + <&tegra_car TEGRA210_CLK_XUSB_SS>, + <&tegra_car TEGRA210_CLK_XUSB_SSP_SRC>, + <&tegra_car TEGRA210_CLK_XUSB_FS_SRC>, + <&tegra_car TEGRA210_CLK_XUSB_HS_SRC>; + clock-names = "dev", "ss", "ss_src", "fs_src", "hs_src"; + power-domains = <&pd_xusbdev>, <&pd_xusbss>; + power-domain-names = "dev", "ss"; + nvidia,xusb-padctl = <&padctl>; + status = "disabled"; + }; + mipi: mipi@700e3000 { compatible = "nvidia,tegra210-mipi"; reg = <0x0 0x700e3000 0x0 0x100>; -- cgit v1.2.3 From 6b3d85930104cf20e69584b7fe35228c3247d847 Mon Sep 17 00:00:00 2001 From: Nagarjuna Kristam Date: Mon, 10 Feb 2020 13:41:42 +0530 Subject: arm64: tegra: Enable XUDC on Jetson TX1 Enable XUSB device mode driver for USB 2-0 slot on Jetson TX1. Signed-off-by: Nagarjuna Kristam Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'arch/arm64/boot/dts') diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi index 18c0610c6353..49a2a82d860d 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi @@ -1361,7 +1361,7 @@ status = "okay"; lanes { - usb2-0 { + micro_b: usb2-0 { nvidia,function = "xusb"; status = "okay"; }; @@ -1494,6 +1494,14 @@ vmmc-supply = <&vdd_3v3_sd>; }; + usb@700d0000 { + status = "okay"; + phys = <µ_b>; + phy-names = "usb2-0"; + avddio-usb-supply = <&vdd_3v3_sys>; + hvdd-usb-supply = <&vdd_1v8>; + }; + regulators { compatible = "simple-bus"; #address-cells = <1>; -- cgit v1.2.3 From 584f800c47b53d59bdc66276c7a6b791278513a9 Mon Sep 17 00:00:00 2001 From: Nagarjuna Kristam Date: Mon, 10 Feb 2020 13:41:43 +0530 Subject: arm64: tegra: Add XUDC node for Tegra186 Tegra186 has one XUSB device mode controller, which can be operated in HS and SS modes. Add DT entry for XUSB device mode controller. Signed-off-by: Nagarjuna Kristam Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra186.dtsi | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'arch/arm64/boot/dts') diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi index c905527c26ef..58100fb9cd8b 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi @@ -572,6 +572,25 @@ nvidia,xusb-padctl = <&padctl>; }; + usb@3550000 { + compatible = "nvidia,tegra186-xudc"; + reg = <0x0 0x03550000 0x0 0x8000>, + <0x0 0x03558000 0x0 0x1000>; + reg-names = "base", "fpci"; + interrupts = ; + clocks = <&bpmp TEGRA186_CLK_XUSB_CORE_DEV>, + <&bpmp TEGRA186_CLK_XUSB_SS>, + <&bpmp TEGRA186_CLK_XUSB_CORE_SS>, + <&bpmp TEGRA186_CLK_XUSB_FS>; + clock-names = "dev", "ss", "ss_src", "fs_src"; + iommus = <&smmu TEGRA186_SID_XUSB_DEV>; + power-domains = <&bpmp TEGRA186_POWER_DOMAIN_XUSBB>, + <&bpmp TEGRA186_POWER_DOMAIN_XUSBA>; + power-domain-names = "dev", "ss"; + nvidia,xusb-padctl = <&padctl>; + status = "disabled"; + }; + fuse@3820000 { compatible = "nvidia,tegra186-efuse"; reg = <0x0 0x03820000 0x0 0x10000>; -- cgit v1.2.3 From 0edc020229666bdf04eb3be0498137e2153a95a9 Mon Sep 17 00:00:00 2001 From: Nagarjuna Kristam Date: Mon, 10 Feb 2020 13:41:44 +0530 Subject: arm64: tegra: Enable XUDC node on Jetson TX2 Enable XUSB device mode driver for USB 2-0 slot on Jetson TX2. Signed-off-by: Nagarjuna Kristam Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'arch/arm64/boot/dts') diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts index a1dcdb9a42d7..d7628f5afb85 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts @@ -131,7 +131,7 @@ status = "okay"; lanes { - usb2-0 { + micro_b: usb2-0 { nvidia,function = "xusb"; status = "okay"; }; @@ -213,6 +213,13 @@ phy-names = "usb2-0", "usb2-1", "usb3-0"; }; + usb@3550000 { + status = "okay"; + + phys = <µ_b>; + phy-names = "usb2-0"; + }; + i2c@c250000 { /* carrier board ID EEPROM */ eeprom@57 { -- cgit v1.2.3 From 88d1049e16eaa11f2d9064e1723df17755c9f9e2 Mon Sep 17 00:00:00 2001 From: Nagarjuna Kristam Date: Mon, 10 Feb 2020 13:41:46 +0530 Subject: arm64: tegra: Update OTG port entries for Jetson Nano Add usb-role-switch entry to peripheral USB port and add corresponding connector details. Signed-off-by: Nagarjuna Kristam Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'arch/arm64/boot/dts') diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts index 9101d3a39cd2..b75f69d18fd0 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts @@ -505,7 +505,17 @@ ports { usb2-0 { status = "okay"; - mode = "otg"; + mode = "peripheral"; + + usb-role-switch; + connector { + compatible = "usb-b-connector", + "gpio-usb-b-connector"; + label = "micro-USB"; + type = "micro"; + vbus-gpio = <&gpio TEGRA_GPIO(CC, 4) + GPIO_ACTIVE_LOW>; + }; }; usb2-1 { -- cgit v1.2.3 From 9f2ff73856d4e09ecc9a7fb9d84ff6cf26cb3d4b Mon Sep 17 00:00:00 2001 From: Nagarjuna Kristam Date: Mon, 10 Feb 2020 13:41:47 +0530 Subject: arm64: tegra: Enable XUDC node on Jetson Nano Enable XUSB device mode driver for USB 2-0 slot on Jetson Nano. Signed-off-by: Nagarjuna Kristam Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'arch/arm64/boot/dts') diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts index b75f69d18fd0..848afd855da6 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts @@ -443,7 +443,7 @@ status = "okay"; lanes { - usb2-0 { + micro_b: usb2-0 { nvidia,function = "xusb"; status = "okay"; }; @@ -546,6 +546,14 @@ vmmc-supply = <&vdd_3v3_sd>; }; + usb@700d0000 { + status = "okay"; + phys = <µ_b>; + phy-names = "usb2-0"; + avddio-usb-supply = <&vdd_3v3_sys>; + hvdd-usb-supply = <&vdd_1v8>; + }; + sdhci@700b0400 { status = "okay"; bus-width = <4>; -- cgit v1.2.3 From 359ae651f4bd9d3ee1f08d4b5315f0d5cbe0e691 Mon Sep 17 00:00:00 2001 From: Sowjanya Komatineni Date: Mon, 13 Jan 2020 23:24:19 -0800 Subject: arm64: tegra: Add clock-cells property to Tegra PMC node Tegra132 and Tegra210 PMC blocks have clk_out_1, clk_out_2, clk_out_3, and a blink clock as a part of the PMC. These clocks were erroneously provided by the clock and reset controller and are now provided by the PMC instead because that's where the primary controls are. Clock IDs for these clocks are defined in the PMC dt-bindings. This patch updates the device tree to include the PMC dt-bindings header and adds the #clock-cells property with one clock specifier to the PMC node. Reviewed-by: Dmitry Osipenko Signed-off-by: Sowjanya Komatineni Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra132.dtsi | 4 +++- arch/arm64/boot/dts/nvidia/tegra210.dtsi | 6 ++++-- 2 files changed, 7 insertions(+), 3 deletions(-) (limited to 'arch/arm64/boot/dts') diff --git a/arch/arm64/boot/dts/nvidia/tegra132.dtsi b/arch/arm64/boot/dts/nvidia/tegra132.dtsi index 6238e6e274b4..11a1bb428595 100644 --- a/arch/arm64/boot/dts/nvidia/tegra132.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra132.dtsi @@ -6,6 +6,7 @@ #include #include #include +#include / { compatible = "nvidia,tegra132", "nvidia,tegra124"; @@ -577,11 +578,12 @@ clock-names = "rtc"; }; - pmc@7000e400 { + tegra_pmc: pmc@7000e400 { compatible = "nvidia,tegra124-pmc"; reg = <0x0 0x7000e400 0x0 0x400>; clocks = <&tegra_car TEGRA124_CLK_PCLK>, <&clk32k_in>; clock-names = "pclk", "clk32k_in"; + #clock-cells = <1>; }; fuse@7000f800 { diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi index dfce47b4c657..64c46ce3849d 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi @@ -7,6 +7,7 @@ #include #include #include +#include / { compatible = "nvidia,tegra210"; @@ -770,16 +771,17 @@ compatible = "nvidia,tegra210-rtc", "nvidia,tegra20-rtc"; reg = <0x0 0x7000e000 0x0 0x100>; interrupts = <16 IRQ_TYPE_LEVEL_HIGH>; - interrupt-parent = <&pmc>; + interrupt-parent = <&tegra_pmc>; clocks = <&tegra_car TEGRA210_CLK_RTC>; clock-names = "rtc"; }; - pmc: pmc@7000e400 { + tegra_pmc: pmc@7000e400 { compatible = "nvidia,tegra210-pmc"; reg = <0x0 0x7000e400 0x0 0x400>; clocks = <&tegra_car TEGRA210_CLK_PCLK>, <&clk32k_in>; clock-names = "pclk", "clk32k_in"; + #clock-cells = <1>; #interrupt-cells = <2>; interrupt-controller; -- cgit v1.2.3 From d90bd9b76c795b55c2efd3d8faa09a0fd59864f8 Mon Sep 17 00:00:00 2001 From: Sowjanya Komatineni Date: Mon, 13 Jan 2020 23:24:21 -0800 Subject: arm64: tegra: smaug: Change clk_out_2 provider to PMC clk_out_2 is a clock provided by the PMC, rather than the clock and reset controller, as previously erroneously defined. This patch changes clk_out_2 provider to PMC and uses corresponding PMC clock ID for clk_out_2. Reviewed-by: Dmitry Osipenko Signed-off-by: Sowjanya Komatineni Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra210-smaug.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/arm64/boot/dts') diff --git a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts index 72c7a04ac1df..2faab6390552 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts +++ b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts @@ -1592,7 +1592,7 @@ reg = <0x1a>; interrupt-parent = <&gpio>; interrupts = ; - clocks = <&tegra_car TEGRA210_CLK_CLK_OUT_2>; + clocks = <&tegra_pmc TEGRA_PMC_CLK_OUT_2>; clock-names = "mclk"; nuvoton,jkdet-enable; -- cgit v1.2.3 From 9995f924b56f6fbe86777aeda4ffc7c76f94dd96 Mon Sep 17 00:00:00 2001 From: Jon Hunter Date: Mon, 24 Feb 2020 14:34:33 +0000 Subject: arm64: tegra: Enable I2C controller for EEPROM Commit a5b6b67364cb ("arm64: tegra: Add ID EEPROM for Jetson TX1 module") populated the EEPROM on the Jetson TX1 module, but did not enable the corresponding I2C controller. Enable the I2C controller so that this EEPROM can be accessed. Fixes: a5b6b67364cb ("arm64: tegra: Add ID EEPROM for Jetson TX1 module") Signed-off-by: Jon Hunter Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/arm64/boot/dts') diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi index cb58f79deb48..95b1a6e76e6e 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi @@ -265,6 +265,8 @@ }; i2c@7000c500 { + status = "okay"; + /* module ID EEPROM */ eeprom@50 { compatible = "atmel,24c02"; -- cgit v1.2.3 From ec5fd197a9c7d66fb6a257a98e435a56209cb11d Mon Sep 17 00:00:00 2001 From: Jon Hunter Date: Mon, 24 Feb 2020 14:34:34 +0000 Subject: arm64: tegra: Add EEPROM supplies The following warning is observed on Jetson TX1, Jetson Nano and Jetson TX2 platforms because the supply regulators are not specified for the EEPROMs. WARNING KERN at24 0-0050: 0-0050 supply vcc not found, using dummy regulator WARNING KERN at24 0-0057: 0-0057 supply vcc not found, using dummy regulator For both of these platforms the EEPROM is powered by the main 1.8V supply rail and so populate the supply for these devices to fix these warnings. Signed-off-by: Jon Hunter Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts | 1 + arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi | 1 + arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi | 1 + arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts | 1 + arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts | 2 ++ 5 files changed, 6 insertions(+) (limited to 'arch/arm64/boot/dts') diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts index d7628f5afb85..961b1be0c56b 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts @@ -226,6 +226,7 @@ compatible = "atmel,24c02"; reg = <0x57>; + vcc-supply = <&vdd_1v8>; address-bits = <8>; page-size = <8>; size = <256>; diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi index 947744d0f04c..da96de04d003 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi @@ -171,6 +171,7 @@ compatible = "atmel,24c02"; reg = <0x50>; + vcc-supply = <&vdd_1v8>; address-bits = <8>; page-size = <8>; size = <256>; diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi index 95b1a6e76e6e..f87d2437d11c 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi @@ -272,6 +272,7 @@ compatible = "atmel,24c02"; reg = <0x50>; + vcc-supply = <&vdd_1v8>; address-bits = <8>; page-size = <8>; size = <256>; diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts b/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts index a3cafe39ba4c..c70a610f8e3a 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts +++ b/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts @@ -85,6 +85,7 @@ compatible = "atmel,24c02"; reg = <0x57>; + vcc-supply = <&vdd_1v8>; address-bits = <8>; page-size = <8>; size = <256>; diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts index 848afd855da6..21ed1756b889 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts @@ -114,6 +114,7 @@ compatible = "atmel,24c02"; reg = <0x50>; + vcc-supply = <&vdd_1v8>; address-bits = <8>; page-size = <8>; size = <256>; @@ -124,6 +125,7 @@ compatible = "atmel,24c02"; reg = <0x57>; + vcc-supply = <&vdd_1v8>; address-bits = <8>; page-size = <8>; size = <256>; -- cgit v1.2.3 From 5f4ade92ed41febe31db8bbfec4d688db610be6e Mon Sep 17 00:00:00 2001 From: Jon Hunter Date: Mon, 24 Feb 2020 14:34:35 +0000 Subject: arm64: tegra: Fix Tegra186 SOR supply The following warning is observed on the Jetson TX2 platform ... WARNING KERN tegra-sor 15540000.sor: 15540000.sor supply \ vdd-hdmi-dp-pll not found, using dummy regulator The problem is caused because the regulator for the SOR device is missing the '-supply' suffix in Device-Tree. Therefore, add the '-supply' suffix to fix this warning. Fixes: 3fdfaf8718fa ("arm64: tegra: Enable DP support on Jetson TX2") Signed-off-by: Jon Hunter Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/arm64/boot/dts') diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts index 961b1be0c56b..1af7f9ffb7b6 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts @@ -278,7 +278,7 @@ status = "okay"; avdd-io-hdmi-dp-supply = <&vdd_hdmi_1v05>; - vdd-hdmi-dp-pll = <&vdd_1v8_ap>; + vdd-hdmi-dp-pll-supply = <&vdd_1v8_ap>; nvidia,dpaux = <&dpaux>; }; -- cgit v1.2.3 From db705117d18b92244e44ef9b0cd3be79fe15c48b Mon Sep 17 00:00:00 2001 From: Jon Hunter Date: Mon, 24 Feb 2020 14:34:36 +0000 Subject: arm64: tegra: Populate LP8557 backlight regulator The following warning is observed on Jetson TX1 platform because the supply regulator is not specified for the backlight. WARNING KERN lp855x 0-002c: 0-002c supply power not found, using dummy regulator The backlight supply is provided by the 3.3V SYS rail and so add this as the supply for the backlight. Signed-off-by: Jon Hunter Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/arm64/boot/dts') diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts b/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts index c70a610f8e3a..ea0e1efa6973 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts +++ b/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts @@ -56,6 +56,7 @@ backlight: backlight@2c { compatible = "ti,lp8557"; reg = <0x2c>; + power-supply = <&vdd_3v3_sys>; dev-ctrl = /bits/ 8 <0x80>; init-brt = /bits/ 8 <0xff>; -- cgit v1.2.3 From bcdf81cb268de1cd88f9786f6ca63b6b4be324c9 Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Fri, 22 Mar 2019 13:49:39 +0100 Subject: arm64: tegra: Add ethernet alias on Jetson TX1 Adding this alias for the Ethernet interface on Jetson TX1 allows the bootloader to pass the MAC address to the Linux kernel. Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'arch/arm64/boot/dts') diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi index 49a2a82d860d..313a4c29d37a 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi @@ -5,6 +5,10 @@ model = "NVIDIA Tegra210 P2597 I/O board"; compatible = "nvidia,p2597", "nvidia,tegra210"; + aliases { + ethernet = "/usb@70090000/ethernet@1"; + }; + host1x@50000000 { dpaux@54040000 { status = "okay"; @@ -1346,6 +1350,13 @@ hvdd-usb-ss-pll-e-supply = <&vdd_1v8>; status = "okay"; + + #address-cells = <1>; + #size-cells = <0>; + + ethernet@1 { + reg = <1>; + }; }; padctl@7009f000 { -- cgit v1.2.3 From 0c988b731e6430f0081991fdb4f63f7fc837df9a Mon Sep 17 00:00:00 2001 From: Vidya Sagar Date: Tue, 3 Mar 2020 23:40:50 +0530 Subject: arm64: tegra: Add PCIe endpoint controllers nodes for Tegra194 Add endpoint mode controllers nodes for the dual mode PCIe controllers present in Tegra194 SoC. Signed-off-by: Vidya Sagar Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra194.dtsi | 99 ++++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) (limited to 'arch/arm64/boot/dts') diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi index 8c1440888482..f4ede86e32b4 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -1620,6 +1620,105 @@ 0x82000000 0x0 0x40000000 0x1f 0x40000000 0x0 0xc0000000>; /* non-prefetchable memory (3GB) */ }; + pcie_ep@14160000 { + compatible = "nvidia,tegra194-pcie-ep", "snps,dw-pcie-ep"; + power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX4A>; + reg = <0x00 0x14160000 0x0 0x00020000 /* appl registers (128K) */ + 0x00 0x36040000 0x0 0x00040000 /* iATU_DMA reg space (256K) */ + 0x00 0x36080000 0x0 0x00040000 /* DBI reg space (256K) */ + 0x14 0x00000000 0x4 0x00000000>; /* Address Space (16G) */ + reg-names = "appl", "atu_dma", "dbi", "addr_space"; + + status = "disabled"; + + num-lanes = <4>; + num-ib-windows = <2>; + num-ob-windows = <8>; + + clocks = <&bpmp TEGRA194_CLK_PEX0_CORE_4>; + clock-names = "core"; + + resets = <&bpmp TEGRA194_RESET_PEX0_CORE_4_APB>, + <&bpmp TEGRA194_RESET_PEX0_CORE_4>; + reset-names = "apb", "core"; + + interrupts = ; /* controller interrupt */ + interrupt-names = "intr"; + + nvidia,bpmp = <&bpmp 4>; + + nvidia,aspm-cmrt-us = <60>; + nvidia,aspm-pwr-on-t-us = <20>; + nvidia,aspm-l0s-entrance-latency-us = <3>; + }; + + pcie_ep@14180000 { + compatible = "nvidia,tegra194-pcie-ep", "snps,dw-pcie-ep"; + power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX8B>; + reg = <0x00 0x14180000 0x0 0x00020000 /* appl registers (128K) */ + 0x00 0x38040000 0x0 0x00040000 /* iATU_DMA reg space (256K) */ + 0x00 0x38080000 0x0 0x00040000 /* DBI reg space (256K) */ + 0x18 0x00000000 0x4 0x00000000>; /* Address Space (16G) */ + reg-names = "appl", "atu_dma", "dbi", "addr_space"; + + status = "disabled"; + + num-lanes = <8>; + num-ib-windows = <2>; + num-ob-windows = <8>; + + clocks = <&bpmp TEGRA194_CLK_PEX0_CORE_0>; + clock-names = "core"; + + resets = <&bpmp TEGRA194_RESET_PEX0_CORE_0_APB>, + <&bpmp TEGRA194_RESET_PEX0_CORE_0>; + reset-names = "apb", "core"; + + interrupts = ; /* controller interrupt */ + interrupt-names = "intr"; + + nvidia,bpmp = <&bpmp 0>; + + nvidia,aspm-cmrt-us = <60>; + nvidia,aspm-pwr-on-t-us = <20>; + nvidia,aspm-l0s-entrance-latency-us = <3>; + }; + + pcie_ep@141a0000 { + compatible = "nvidia,tegra194-pcie-ep", "snps,dw-pcie-ep"; + power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX8A>; + reg = <0x00 0x141a0000 0x0 0x00020000 /* appl registers (128K) */ + 0x00 0x3a040000 0x0 0x00040000 /* iATU_DMA reg space (256K) */ + 0x00 0x3a080000 0x0 0x00040000 /* DBI reg space (256K) */ + 0x1c 0x00000000 0x4 0x00000000>; /* Address Space (16G) */ + reg-names = "appl", "atu_dma", "dbi", "addr_space"; + + status = "disabled"; + + num-lanes = <8>; + num-ib-windows = <2>; + num-ob-windows = <8>; + + pinctrl-names = "default"; + pinctrl-0 = <&clkreq_c5_bi_dir_state>; + + clocks = <&bpmp TEGRA194_CLK_PEX1_CORE_5>; + clock-names = "core"; + + resets = <&bpmp TEGRA194_RESET_PEX1_CORE_5_APB>, + <&bpmp TEGRA194_RESET_PEX1_CORE_5>; + reset-names = "apb", "core"; + + interrupts = ; /* controller interrupt */ + interrupt-names = "intr"; + + nvidia,bpmp = <&bpmp 5>; + + nvidia,aspm-cmrt-us = <60>; + nvidia,aspm-pwr-on-t-us = <20>; + nvidia,aspm-l0s-entrance-latency-us = <3>; + }; + sysram@40000000 { compatible = "nvidia,tegra194-sysram", "mmio-sram"; reg = <0x0 0x40000000 0x0 0x50000>; -- cgit v1.2.3 From 84eaaf7500036f292f5563b39a983c492d5b12ae Mon Sep 17 00:00:00 2001 From: Vidya Sagar Date: Tue, 3 Mar 2020 23:40:51 +0530 Subject: arm64: tegra: Add support for PCIe endpoint mode in P2972-0000 platform Add endpoint mode support for PCIe C5 controller in P2972-0000 platform with information about supplies, PHY, PERST GPIO and GPIO that controls PCIe reference clock coming from the host system. Signed-off-by: Vidya Sagar Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'arch/arm64/boot/dts') diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts index f9f874d9d0ae..e15d1eac05f5 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts @@ -199,6 +199,24 @@ "p2u-5", "p2u-6", "p2u-7"; }; + pcie_ep@141a0000 { + status = "disabled"; + + vddio-pex-ctl-supply = <&vdd_1v8ao>; + + reset-gpios = <&gpio TEGRA194_MAIN_GPIO(GG, 1) GPIO_ACTIVE_LOW>; + + nvidia,refclk-select-gpios = <&gpio_aon TEGRA194_AON_GPIO(AA, 5) + GPIO_ACTIVE_HIGH>; + + phys = <&p2u_nvhs_0>, <&p2u_nvhs_1>, <&p2u_nvhs_2>, + <&p2u_nvhs_3>, <&p2u_nvhs_4>, <&p2u_nvhs_5>, + <&p2u_nvhs_6>, <&p2u_nvhs_7>; + + phy-names = "p2u-0", "p2u-1", "p2u-2", "p2u-3", "p2u-4", + "p2u-5", "p2u-6", "p2u-7"; + }; + fan: fan { compatible = "pwm-fan"; pwms = <&pwm4 0 45334>; -- cgit v1.2.3