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Message-ID: <20240424133320.19273-1-nikolaos.pasaloukos@blaize.com>
Date: Wed, 24 Apr 2024 13:33:23 +0000
From: Niko Pasaloukos <nikolaos.pasaloukos@...ize.com>
To: "linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org"
<linux-kernel@...r.kernel.org>
CC: Niko Pasaloukos <nikolaos.pasaloukos@...ize.com>,
James Cowgill
<james.cowgill@...ize.com>,
Matt Redfearn <matthew.redfearn@...ize.com>,
Neil
Jones <neil.jones@...ize.com>, Arnd Bergmann <arnd@...db.de>,
Olof Johansson
<olof@...om.net>, "soc@...nel.org" <soc@...nel.org>,
Rob Herring
<robh@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
"devicetree@...r.kernel.org"
<devicetree@...r.kernel.org>
Subject: [PATCH v2 6/7] arm64: Add initial support for Blaize BLZP1600 CB2
Adds support for the Blaize CB2 development board based on
BLZP1600 SoC. This consists of a Carrier-Board-2 and a SoM.
The blaize-blzp1600.dtsi is the common part for the SoC,
blaize-blzp1600-som.dtsi is the common part for the SoM and
blaize-blzp1600-cb2.dts is the board specific file.
'make dtbs_check' complains about ['ti,ina3221'] and ['national,lm96163']
which are already upstreamed drivers with no yaml documentation.
Co-developed-by: James Cowgill <james.cowgill@...ize.com>
Signed-off-by: James Cowgill <james.cowgill@...ize.com>
Co-developed-by: Matt Redfearn <matt.redfearn@...ize.com>
Signed-off-by: Matt Redfearn <matt.redfearn@...ize.com>
Co-developed-by: Neil Jones <neil.jones@...ize.com>
Signed-off-by: Neil Jones <neil.jones@...ize.com>
Signed-off-by: Nikolaos Pasaloukos <nikolaos.pasaloukos@...ize.com>
---
arch/arm64/boot/dts/Makefile | 1 +
arch/arm64/boot/dts/blaize/Makefile | 2 +
.../boot/dts/blaize/blaize-blzp1600-cb2.dts | 84 +++++++
.../boot/dts/blaize/blaize-blzp1600-som.dtsi | 23 ++
.../boot/dts/blaize/blaize-blzp1600.dtsi | 211 ++++++++++++++++++
5 files changed, 321 insertions(+)
create mode 100644 arch/arm64/boot/dts/blaize/Makefile
create mode 100644 arch/arm64/boot/dts/blaize/blaize-blzp1600-cb2.dts
create mode 100644 arch/arm64/boot/dts/blaize/blaize-blzp1600-som.dtsi
create mode 100644 arch/arm64/boot/dts/blaize/blaize-blzp1600.dtsi
diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index 30dd6347a929..601b6381ea0c 100644
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile
@@ -9,6 +9,7 @@ subdir-y += apm
subdir-y += apple
subdir-y += arm
subdir-y += bitmain
+subdir-y += blaize
subdir-y += broadcom
subdir-y += cavium
subdir-y += exynos
diff --git a/arch/arm64/boot/dts/blaize/Makefile b/arch/arm64/boot/dts/blaize/Makefile
new file mode 100644
index 000000000000..595e7a350300
--- /dev/null
+++ b/arch/arm64/boot/dts/blaize/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_BLAIZE_BLZP1600) += blaize-blzp1600-cb2.dtb
diff --git a/arch/arm64/boot/dts/blaize/blaize-blzp1600-cb2.dts b/arch/arm64/boot/dts/blaize/blaize-blzp1600-cb2.dts
new file mode 100644
index 000000000000..0bdec7e81380
--- /dev/null
+++ b/arch/arm64/boot/dts/blaize/blaize-blzp1600-cb2.dts
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2023 Blaize, Inc. All rights reserved.
+ */
+
+/dts-v1/;
+
+#include "blaize-blzp1600-som.dtsi"
+#include <dt-bindings/net/ti-dp83867.h>
+
+/ {
+ model = "Blaize BLZP1600 SoM1600P CB2 Development Board";
+
+ compatible = "blaize,blzp1600-cb2", "blaize,blzp1600";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200";
+ };
+};
+
+&i2c0 {
+ clock-frequency = <100000>;
+ status = "okay";
+};
+
+&i2c1 {
+ clock-frequency = <100000>;
+ status = "okay";
+};
+
+&i2c3 {
+ clock-frequency = <100000>;
+ status = "okay";
+
+ gpio_expander: gpio@74 {
+ compatible = "ti,tca9539";
+ reg = <0x74>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names = "RSP_PIN_7", /* GPIO_0 */
+ "RSP_PIN_11", /* GPIO_1 */
+ "RSP_PIN_13", /* GPIO_2 */
+ "RSP_PIN_15", /* GPIO_3 */
+ "RSP_PIN_27", /* GPIO_4 */
+ "RSP_PIN_29", /* GPIO_5 */
+ "RSP_PIN_31", /* GPIO_6 */
+ "RSP_PIN_33", /* GPIO_7 */
+ "RSP_PIN_37", /* GPIO_8 */
+ "RSP_PIN_16", /* GPIO_9 */
+ "RSP_PIN_18", /* GPIO_10 */
+ "RSP_PIN_22", /* GPIO_11 */
+ "RSP_PIN_28", /* GPIO_12 */
+ "RSP_PIN_32", /* GPIO_13 */
+ "RSP_PIN_36", /* GPIO_14 */
+ "TP31"; /* GPIO_15 */
+ };
+
+ gpio_expander_m2: gpio@75 {
+ compatible = "ti,tca9539";
+ reg = <0x75>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names = "M2_W_DIS1_N", /* GPIO_0 */
+ "M2_W_DIS2_N", /* GPIO_1 */
+ "M2_UART_WAKE_N", /* GPIO_2 */
+ "M2_COEX3", /* GPIO_3 */
+ "M2_COEX_RXD", /* GPIO_4 */
+ "M2_COEX_TXD", /* GPIO_5 */
+ "M2_VENDOR_PIN40", /* GPIO_6 */
+ "M2_VENDOR_PIN42", /* GPIO_7 */
+ "M2_VENDOR_PIN38", /* GPIO_8 */
+ "M2_SDIO_RST_N", /* GPIO_9 */
+ "M2_SDIO_WAKE_N", /* GPIO_10 */
+ "M2_PETN1", /* GPIO_11 */
+ "M2_PERP1", /* GPIO_12 */
+ "M2_PERN1", /* GPIO_13 */
+ "UIM_SWP", /* GPIO_14 */
+ "UART1_TO_RSP"; /* GPIO_15 */
+ };
+};
diff --git a/arch/arm64/boot/dts/blaize/blaize-blzp1600-som.dtsi b/arch/arm64/boot/dts/blaize/blaize-blzp1600-som.dtsi
new file mode 100644
index 000000000000..efac0d6b3d60
--- /dev/null
+++ b/arch/arm64/boot/dts/blaize/blaize-blzp1600-som.dtsi
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2023 Blaize, Inc. All rights reserved.
+ */
+
+#include "blaize-blzp1600.dtsi"
+
+/ {
+ memory@...0 {
+ device_type = "memory";
+ reg = <0x0 0x00001000 0xfffff000>;
+ };
+};
+
+/* i2c4 bus is available only on the SoM, not on the board */
+&i2c4 {
+ clock-frequency = <100000>;
+ status = "okay";
+};
+
+&uart0 {
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/blaize/blaize-blzp1600.dtsi b/arch/arm64/boot/dts/blaize/blaize-blzp1600.dtsi
new file mode 100644
index 000000000000..ad1e502559d8
--- /dev/null
+++ b/arch/arm64/boot/dts/blaize/blaize-blzp1600.dtsi
@@ -0,0 +1,211 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2023 Blaize, Inc. All rights reserved.
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/reset/blaize,blzp1600-reset.h>
+#include <dt-bindings/clock/blaize,blzp1600-clk.h>
+
+/ {
+ interrupt-parent = <&gic>;
+ #address-cells = <2>;
+ #size-cells = <1>;
+
+ cpus {
+ #address-cells = <2>;
+ #size-cells = <0>;
+
+ cpu0: cpu@0 {
+ compatible = "arm,cortex-a53";
+ device_type = "cpu";
+ enable-method = "psci";
+ reg = <0x0 0x0>;
+ next-level-cache = <&l2>;
+ };
+
+ cpu1: cpu@1 {
+ compatible = "arm,cortex-a53";
+ device_type = "cpu";
+ enable-method = "psci";
+ reg = <0x0 0x1>;
+ next-level-cache = <&l2>;
+ };
+
+ l2: l2-cache0 {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-unified;
+ };
+ };
+
+ timer {
+ compatible = "arm,armv8-timer";
+ interrupts = /* Physical Secure PPI */
+ <GIC_PPI 13 (GIC_CPU_MASK_RAW(0x3) |
+ IRQ_TYPE_LEVEL_LOW)>,
+ /* Physical Non-Secure PPI */
+ <GIC_PPI 14 (GIC_CPU_MASK_RAW(0x3) |
+ IRQ_TYPE_LEVEL_LOW)>,
+ /* Hypervisor PPI */
+ <GIC_PPI 10 (GIC_CPU_MASK_RAW(0x3) |
+ IRQ_TYPE_LEVEL_LOW)>,
+ /* Virtual PPI */
+ <GIC_PPI 11 (GIC_CPU_MASK_RAW(0x3) |
+ IRQ_TYPE_LEVEL_LOW)>;
+ };
+
+ psci {
+ compatible = "arm,psci-1.0", "arm,psci-0.2";
+ method = "smc";
+ };
+
+ pmu {
+ compatible = "arm,cortex-a53-pmu";
+ interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-affinity = <&cpu0>, <&cpu1>;
+ };
+
+ sram@0 {
+ /*
+ * On BLZP1600 there is no general purpose (non-secure) SRAM.
+ * A small DDR memory space has been reserved for general use.
+ */
+ compatible = "mmio-sram";
+ reg = <0x0 0x00000000 0x00001000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x0 0x00000000 0x1000>;
+
+ /* SCMI reserved buffer space on DDR space */
+ scmi0_shm: scmi-sram@800 {
+ compatible = "arm,scmi-shmem";
+ reg = <0x800 0x80>;
+ };
+ };
+
+ firmware {
+ scmi {
+ compatible = "arm,scmi-smc";
+ arm,smc-id = <0x82002000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ shmem = <&scmi0_shm>;
+
+ scmi_clk: protocol@14 {
+ reg = <0x14>;
+ #clock-cells = <1>;
+ };
+
+ scmi_rst: protocol@16 {
+ reg = <0x16>;
+ #reset-cells = <1>;
+ };
+ };
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <1>;
+ ranges;
+
+ gic: interrupt-controller@...410000 {
+ compatible = "arm,gic-400";
+ #interrupt-cells = <3>;
+ #address-cells = <0>;
+ interrupt-controller;
+ reg = <0x2 0x00410000 0x20000>,
+ <0x2 0x00420000 0x20000>,
+ <0x2 0x00440000 0x20000>,
+ <0x2 0x00460000 0x20000>;
+ interrupts = <GIC_PPI 9 (GIC_CPU_MASK_RAW(0x3) |
+ IRQ_TYPE_LEVEL_LOW)>;
+ };
+
+ uart0: serial@...4d0000 {
+ compatible = "ns16550a";
+ reg = <0x2 0x004d0000 0x1000>;
+ clocks = <&scmi_clk BLZP1600_UART0_CLK>;
+ resets = <&scmi_rst BLZP1600_UART0_RST>;
+ reg-shift = <2>;
+ interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
+ status = "disabled";
+ };
+
+ uart1: serial@...4e0000 {
+ compatible = "ns16550a";
+ reg = <0x2 0x004e0000 0x1000>;
+ clocks = <&scmi_clk BLZP1600_UART1_CLK>;
+ resets = <&scmi_rst BLZP1600_UART1_RST>;
+ reg-shift = <2>;
+ interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
+ status = "disabled";
+ };
+
+ i2c0: i2c@...4f0000 {
+ compatible = "snps,designware-i2c";
+ reg = <0x2 0x004f0000 0x1000>;
+ interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&scmi_clk BLZP1600_I2C0_CLK>;
+ resets = <&scmi_rst BLZP1600_I2C0_RST>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ i2c1: i2c@...500000 {
+ compatible = "snps,designware-i2c";
+ reg = <0x2 0x00500000 0x1000>;
+ interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&scmi_clk BLZP1600_I2C1_CLK>;
+ resets = <&scmi_rst BLZP1600_I2C1_RST>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ i2c2: i2c@...510000 {
+ compatible = "snps,designware-i2c";
+ reg = <0x2 0x00510000 0x1000>;
+ interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&scmi_clk BLZP1600_I2C2_CLK>;
+ resets = <&scmi_rst BLZP1600_I2C2_RST>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ i2c3: i2c@...520000 {
+ compatible = "snps,designware-i2c";
+ reg = <0x2 0x00520000 0x1000>;
+ interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&scmi_clk BLZP1600_I2C3_CLK>;
+ resets = <&scmi_rst BLZP1600_I2C3_RST>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ i2c4: i2c@...530000 {
+ compatible = "snps,designware-i2c";
+ reg = <0x2 0x00530000 0x1000>;
+ interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&scmi_clk BLZP1600_I2C4_CLK>;
+ resets = <&scmi_rst BLZP1600_I2C4_RST>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ arm_cc712: crypto@...550000 {
+ compatible = "arm,cryptocell-712-ree";
+ reg = <0x2 0x00550000 0x1000>;
+ interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&scmi_clk 7>;
+ };
+ };
+};
--
2.34.1
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