riscv: dts: add initial board data for the SiFive HiFive Unmatched

Add initial board data for the SiFive HiFive Unmatched A00.
This patch is dependent on Zong's Patchset[0].

[0]: https://lore.kernel.org/linux-riscv/20201130082330.77268-4-zong.li@sifive.com/T/#u

Signed-off-by: Yash Shah <yash.shah@sifive.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>

diff --git a/arch/riscv/boot/dts/sifive/Makefile b/arch/riscv/boot/dts/sifive/Makefile
index 6d6189e..74c47fe 100644 (file)
--- a/arch/riscv/boot/dts/sifive/Makefile
+++ b/arch/riscv/boot/dts/sifive/Makefile
@@ -1,2 +1,3 @@
 # SPDX-License-Identifier: GPL-2.0
-dtb-$(CONFIG_SOC_SIFIVE) += hifive-unleashed-a00.dtb
+dtb-$(CONFIG_SOC_SIFIVE) += hifive-unleashed-a00.dtb \
+                           hifive-unmatched-a00.dtb

diff --git a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
new file mode 100644 (file)
index 0000000..b1c3c59
--- /dev/null
+++ b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
@@ -0,0 +1,253 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/* Copyright (c) 2020 SiFive, Inc */
+
+#include "fu740-c000.dtsi"
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/* Clock frequency (in Hz) of the PCB crystal for rtcclk */
+#define RTCCLK_FREQ            1000000
+
+/ {
+       #address-cells = <2>;
+       #size-cells = <2>;
+       model = "SiFive HiFive Unmatched A00";
+       compatible = "sifive,hifive-unmatched-a00", "sifive,fu740-c000",
+                    "sifive,fu740";
+
+       chosen {
+               stdout-path = "serial0";
+       };
+
+       cpus {
+               timebase-frequency = <RTCCLK_FREQ>;
+       };
+
+       memory@80000000 {
+               device_type = "memory";
+               reg = <0x0 0x80000000 0x2 0x00000000>;
+       };
+
+       soc {
+       };
+
+       hfclk: hfclk {
+               #clock-cells = <0>;
+               compatible = "fixed-clock";
+               clock-frequency = <26000000>;
+               clock-output-names = "hfclk";
+       };
+
+       rtcclk: rtcclk {
+               #clock-cells = <0>;
+               compatible = "fixed-clock";
+               clock-frequency = <RTCCLK_FREQ>;
+               clock-output-names = "rtcclk";
+       };
+};
+
+&uart0 {
+       status = "okay";
+};
+
+&uart1 {
+       status = "okay";
+};
+
+&i2c0 {
+       status = "okay";
+
+       temperature-sensor@4c {
+               compatible = "ti,tmp451";
+               reg = <0x4c>;
+               interrupt-parent = <&gpio>;
+               interrupts = <6 IRQ_TYPE_LEVEL_LOW>;
+       };
+
+       pmic@58 {
+               compatible = "dlg,da9063";
+               reg = <0x58>;
+               interrupt-parent = <&gpio>;
+               interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
+               interrupt-controller;
+
+               regulators {
+                       vdd_bcore1: bcore1 {
+                               regulator-min-microvolt = <900000>;
+                               regulator-max-microvolt = <900000>;
+                               regulator-min-microamp = <5000000>;
+                               regulator-max-microamp = <5000000>;
+                               regulator-always-on;
+                       };
+
+                       vdd_bcore2: bcore2 {
+                               regulator-min-microvolt = <900000>;
+                               regulator-max-microvolt = <900000>;
+                               regulator-min-microamp = <5000000>;
+                               regulator-max-microamp = <5000000>;
+                               regulator-always-on;
+                       };
+
+                       vdd_bpro: bpro {
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <1800000>;
+                               regulator-min-microamp = <2500000>;
+                               regulator-max-microamp = <2500000>;
+                               regulator-always-on;
+                       };
+
+                       vdd_bperi: bperi {
+                               regulator-min-microvolt = <1050000>;
+                               regulator-max-microvolt = <1050000>;
+                               regulator-min-microamp = <1500000>;
+                               regulator-max-microamp = <1500000>;
+                               regulator-always-on;
+                       };
+
+                       vdd_bmem: bmem {
+                               regulator-min-microvolt = <1200000>;
+                               regulator-max-microvolt = <1200000>;
+                               regulator-min-microamp = <3000000>;
+                               regulator-max-microamp = <3000000>;
+                               regulator-always-on;
+                       };
+
+                       vdd_bio: bio {
+                               regulator-min-microvolt = <1200000>;
+                               regulator-max-microvolt = <1200000>;
+                               regulator-min-microamp = <3000000>;
+                               regulator-max-microamp = <3000000>;
+                               regulator-always-on;
+                       };
+
+                       vdd_ldo1: ldo1 {
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <1800000>;
+                               regulator-min-microamp = <100000>;
+                               regulator-max-microamp = <100000>;
+                               regulator-always-on;
+                       };
+
+                       vdd_ldo2: ldo2 {
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <1800000>;
+                               regulator-min-microamp = <200000>;
+                               regulator-max-microamp = <200000>;
+                               regulator-always-on;
+                       };
+
+                       vdd_ldo3: ldo3 {
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <1800000>;
+                               regulator-min-microamp = <200000>;
+                               regulator-max-microamp = <200000>;
+                               regulator-always-on;
+                       };
+
+                       vdd_ldo4: ldo4 {
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <1800000>;
+                               regulator-min-microamp = <200000>;
+                               regulator-max-microamp = <200000>;
+                               regulator-always-on;
+                       };
+
+                       vdd_ldo5: ldo5 {
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <1800000>;
+                               regulator-min-microamp = <100000>;
+                               regulator-max-microamp = <100000>;
+                               regulator-always-on;
+                       };
+
+                       vdd_ldo6: ldo6 {
+                               regulator-min-microvolt = <3300000>;
+                               regulator-max-microvolt = <3300000>;
+                               regulator-min-microamp = <200000>;
+                               regulator-max-microamp = <200000>;
+                               regulator-always-on;
+                       };
+
+                       vdd_ldo7: ldo7 {
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <1800000>;
+                               regulator-min-microamp = <200000>;
+                               regulator-max-microamp = <200000>;
+                               regulator-always-on;
+                       };
+
+                       vdd_ldo8: ldo8 {
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <1800000>;
+                               regulator-min-microamp = <200000>;
+                               regulator-max-microamp = <200000>;
+                               regulator-always-on;
+                       };
+
+                       vdd_ld09: ldo9 {
+                               regulator-min-microvolt = <1050000>;
+                               regulator-max-microvolt = <1050000>;
+                               regulator-min-microamp = <200000>;
+                               regulator-max-microamp = <200000>;
+                       };
+
+                       vdd_ldo10: ldo10 {
+                               regulator-min-microvolt = <1000000>;
+                               regulator-max-microvolt = <1000000>;
+                               regulator-min-microamp = <300000>;
+                               regulator-max-microamp = <300000>;
+                       };
+
+                       vdd_ldo11: ldo11 {
+                               regulator-min-microvolt = <2500000>;
+                               regulator-max-microvolt = <2500000>;
+                               regulator-min-microamp = <300000>;
+                               regulator-max-microamp = <300000>;
+                               regulator-always-on;
+                       };
+               };
+       };
+};
+
+&qspi0 {
+       status = "okay";
+       flash@0 {
+               compatible = "issi,is25wp256", "jedec,spi-nor";
+               reg = <0>;
+               spi-max-frequency = <50000000>;
+               m25p,fast-read;
+               spi-tx-bus-width = <4>;
+               spi-rx-bus-width = <4>;
+       };
+};
+
+&spi0 {
+       status = "okay";
+       mmc@0 {
+               compatible = "mmc-spi-slot";
+               reg = <0>;
+               spi-max-frequency = <20000000>;
+               voltage-ranges = <3300 3300>;
+               disable-wp;
+       };
+};
+
+&eth0 {
+       status = "okay";
+       phy-mode = "gmii";
+       phy-handle = <&phy0>;
+       phy0: ethernet-phy@0 {
+               reg = <0>;
+       };
+};
+
+&pwm0 {
+       status = "okay";
+};
+
+&pwm1 {
+       status = "okay";
+};
+
+&gpio {
+       status = "okay";
+};