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arm64: tegra: Device tree changes for v4.19-rc1

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These changes enable the GPIO controllers on Tegra194 SoCs, which in
 turn allows the SD card detection and ethernet controllers to be enabled
 as well. The Tegra194 device tree is also extended with the list of CPUs
 and a PSCI node to inform the kernel about the presence of PSCI capable
 firmware.
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Merge tag 'tegra-for-4.19-arm64-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/dt

arm64: tegra: Device tree changes for v4.19-rc1

These changes enable the GPIO controllers on Tegra194 SoCs, which in
turn allows the SD card detection and ethernet controllers to be enabled
as well. The Tegra194 device tree is also extended with the list of CPUs
and a PSCI node to inform the kernel about the presence of PSCI capable
firmware.

* tag 'tegra-for-4.19-arm64-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  arm64: tegra: Add CPU nodes to Tegra194 device tree
  arm64: tegra: Add ethernet controller on Tegra194
  arm64: tegra: Enable card detect for SD card on P2888
  arm64: tegra: Add GPIO controller on Tegra194

Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Olof Johansson 2018-07-14 14:21:32 -07:00
commit 4167ff9fe9
2 changed files with 126 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
View File

@ -27,15 +27,33 @@ chosen {
};
cbb {
ethernet@2490000 {
status = "okay";
phy-reset-gpios = <&gpio TEGRA194_MAIN_GPIO(G, 5) GPIO_ACTIVE_LOW>;
phy-handle = <&phy>;
phy-mode = "rgmii";
mdio {
#address-cells = <1>;
#size-cells = <0>;
phy: phy@0 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <0x0>;
interrupt-parent = <&gpio>;
interrupts = <TEGRA194_MAIN_GPIO(G, 4) IRQ_TYPE_LEVEL_LOW>;
};
};
};
serial@3110000 {
status = "okay";
};
/* SDMMC1 (SD/MMC) */
sdhci@3400000 {
/*
cd-gpios = <&gpio TEGRA194_MAIN_GPIO(A, 0) GPIO_ACTIVE_LOW>;
*/
};
/* SDMMC4 (eMMC) */

106
arch/arm64/boot/dts/nvidia/tegra194.dtsi
View File

@ -18,6 +18,45 @@ cbb {
#size-cells = <1>;
ranges = <0x0 0x0 0x0 0x40000000>;
gpio: gpio@2200000 {
compatible = "nvidia,tegra194-gpio";
reg-names = "security", "gpio";
reg = <0x2200000 0x10000>,
<0x2210000 0x10000>;
interrupts = <GIC_SPI 288 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 296 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 304 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 312 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 320 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 328 IRQ_TYPE_LEVEL_HIGH>;
#interrupt-cells = <2>;
interrupt-controller;
#gpio-cells = <2>;
gpio-controller;
};
ethernet@2490000 {
compatible = "nvidia,tegra186-eqos",
"snps,dwc-qos-ethernet-4.10";
reg = <0x02490000 0x10000>;
interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&bpmp TEGRA194_CLK_AXI_CBB>,
<&bpmp TEGRA194_CLK_EQOS_AXI>,
<&bpmp TEGRA194_CLK_EQOS_RX>,
<&bpmp TEGRA194_CLK_EQOS_TX>,
<&bpmp TEGRA194_CLK_EQOS_PTP_REF>;
clock-names = "master_bus", "slave_bus", "rx", "tx", "ptp_ref";
resets = <&bpmp TEGRA194_RESET_EQOS>;
reset-names = "eqos";
status = "disabled";
snps,write-requests = <1>;
snps,read-requests = <3>;
snps,burst-map = <0x7>;
snps,txpbl = <16>;
snps,rxpbl = <8>;
};
uarta: serial@3100000 {
compatible = "nvidia,tegra194-uart", "nvidia,tegra20-uart";
reg = <0x03100000 0x40>;
@ -329,6 +368,73 @@ bpmp_thermal: thermal {
};
};
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu@0 {
compatible = "nvidia,tegra194-carmel", "arm,armv8";
device_type = "cpu";
reg = <0x10000>;
enable-method = "psci";
};
cpu@1 {
compatible = "nvidia,tegra194-carmel", "arm,armv8";
device_type = "cpu";
reg = <0x10001>;
enable-method = "psci";
};
cpu@2 {
compatible = "nvidia,tegra194-carmel", "arm,armv8";
device_type = "cpu";
reg = <0x100>;
enable-method = "psci";
};
cpu@3 {
compatible = "nvidia,tegra194-carmel", "arm,armv8";
device_type = "cpu";
reg = <0x101>;
enable-method = "psci";
};
cpu@4 {
compatible = "nvidia,tegra194-carmel", "arm,armv8";
device_type = "cpu";
reg = <0x200>;
enable-method = "psci";
};
cpu@5 {
compatible = "nvidia,tegra194-carmel", "arm,armv8";
device_type = "cpu";
reg = <0x201>;
enable-method = "psci";
};
cpu@6 {
compatible = "nvidia,tegra194-carmel", "arm,armv8";
device_type = "cpu";
reg = <0x10300>;
enable-method = "psci";
};
cpu@7 {
compatible = "nvidia,tegra194-carmel", "arm,armv8";
device_type = "cpu";
reg = <0x10301>;
enable-method = "psci";
};
};
psci {
compatible = "arm,psci-1.0";
status = "okay";
method = "smc";
};
timer {
compatible = "arm,armv8-timer";
interrupts = <GIC_PPI 13