[PATCH] arm64: dts: visconti: Add PCIe host controller support for TMPV7708 SoC

From: Nobuhiro Iwamatsu
Date: Tue Sep 07 2021 - 00:25:21 EST


Add PCIe node and fixed clock for PCIe in TMPV7708's dtsi,
and tmpv7708-rm-mbrc boards's dts.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@xxxxxxxxxxxxx>
---
.../boot/dts/toshiba/tmpv7708-rm-mbrc.dts | 6 +++
arch/arm64/boot/dts/toshiba/tmpv7708.dtsi | 52 +++++++++++++++++++
2 files changed, 58 insertions(+)

diff --git a/arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts b/arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts
index 29a4d9fc1e47..9375b0faeea2 100644
--- a/arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts
+++ b/arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts
@@ -76,3 +76,9 @@ &pwm_mux {
&pwm {
status = "okay";
};
+
+&pcie {
+ status = "okay";
+ clocks = <&extclk100mhz>, <&clk600mhz>, <&clk25mhz>;
+ clock-names = "ref", "core", "aux";
+};
diff --git a/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi b/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi
index 4b4231ff43cf..5db9a012d6fc 100644
--- a/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi
+++ b/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi
@@ -134,6 +134,13 @@ uart_clk: uart-clk {
#clock-cells = <0>;
};

+ clk25mhz: clk25mhz {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <25000000>;
+ clock-output-names = "clk25mhz";
+ };
+
clk125mhz: clk125mhz {
compatible = "fixed-clock";
clock-frequency = <125000000>;
@@ -148,6 +155,20 @@ clk300mhz: clk300mhz {
clock-output-names = "clk300mhz";
};

+ clk600mhz: clk600mhz {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <600000000>;
+ clock-output-names = "clk600mhz";
+ };
+
+ extclk100mhz: extclk100mhz {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <100000000>;
+ clock-output-names = "extclk100mhz";
+ };
+
wdt_clk: wdt-clk {
compatible = "fixed-clock";
clock-frequency = <150000000>;
@@ -441,6 +462,37 @@ pwm: pwm@241c0000 {
#pwm-cells = <2>;
status = "disabled";
};
+
+ pcie: pcie@28400000 {
+ compatible = "toshiba,visconti-pcie";
+ reg = <0x0 0x28400000 0x0 0x00400000>,
+ <0x0 0x70000000 0x0 0x10000000>,
+ <0x0 0x28050000 0x0 0x00010000>,
+ <0x0 0x24200000 0x0 0x00002000>,
+ <0x0 0x24162000 0x0 0x00001000>;
+ reg-names = "dbi", "config", "ulreg", "smu", "mpu";
+ device_type = "pci";
+ bus-range = <0x00 0xff>;
+ num-lanes = <2>;
+ num-viewport = <8>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+ ranges = <0x81000000 0 0x40000000 0 0x40000000 0 0x00010000
+ 0x82000000 0 0x50000000 0 0x50000000 0 0x20000000>;
+ interrupts = <GIC_SPI 211 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 215 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "msi", "intr";
+ interrupt-map-mask = <0 0 0 7>;
+ interrupt-map =
+ <0 0 0 1 &gic GIC_SPI 215 IRQ_TYPE_LEVEL_HIGH
+ 0 0 0 2 &gic GIC_SPI 215 IRQ_TYPE_LEVEL_HIGH
+ 0 0 0 3 &gic GIC_SPI 215 IRQ_TYPE_LEVEL_HIGH
+ 0 0 0 4 &gic GIC_SPI 215 IRQ_TYPE_LEVEL_HIGH>;
+ max-link-speed = <2>;
+ status = "disabled";
+ };
};
};

--
2.32.0