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Message-ID: <20250108-am62lx-v2-2-581285a37d8f@ti.com>
Date: Wed, 8 Jan 2025 16:51:54 -0600
From: Bryan Brattlof <bb@...com>
To: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
Tero
Kristo <kristo@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof
Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
CC: <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, Bryan Brattlof <bb@...com>
Subject: [PATCH v2 2/3] arm64: dts: ti: k3-am62l: add initial
infrastructure
From: Vignesh Raghavendra <vigneshr@...com>
Add the initial infrastructure needed for the AM62L. ALl of which can be
found in the Technical Reference Manual (TRM) located here:
https://www.ti.com/lit/ug/sprujb4/sprujb4.pdf
Signed-off-by: Vignesh Raghavendra <vigneshr@...com>
Signed-off-by: Bryan Brattlof <bb@...com>
---
Changes in v1:
- switched to non-direct links to TRM updates are automatic
- fixed white space indent issues with a few nodes
- separated out device tree bindings
---
arch/arm64/boot/dts/ti/Makefile | 3 +
arch/arm64/boot/dts/ti/k3-am62l-main.dtsi | 52 +++++++++++++++++
arch/arm64/boot/dts/ti/k3-am62l-wakeup.dtsi | 33 +++++++++++
arch/arm64/boot/dts/ti/k3-am62l.dtsi | 89 +++++++++++++++++++++++++++++
arch/arm64/boot/dts/ti/k3-am62l3.dtsi | 67 ++++++++++++++++++++++
arch/arm64/boot/dts/ti/k3-pinctrl.h | 2 +
6 files changed, 246 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
index f71360f14f233..6745f779b1e6e 100644
--- a/arch/arm64/boot/dts/ti/Makefile
+++ b/arch/arm64/boot/dts/ti/Makefile
@@ -32,6 +32,9 @@ dtb-$(CONFIG_ARCH_K3) += k3-am62-lp-sk-nand.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-am62a7-sk.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am62a7-phyboard-lyra-rdk.dtb
+# Boards with AM62Lx SoCs
+dtb-$(CONFIG_ARCH_K3) += k3-am62l3-evm.dtb
+
# Boards with AM62Px SoC
dtb-$(CONFIG_ARCH_K3) += k3-am62p5-sk.dtb
diff --git a/arch/arm64/boot/dts/ti/k3-am62l-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62l-main.dtsi
new file mode 100644
index 0000000000000..3fc3474df3dba
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am62l-main.dtsi
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0-only or MIT
+/*
+ * Device Tree file for the AM62L main domain peripherals
+ * Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
+ *
+ * Technical Reference Manual: https://www.ti.com/lit/pdf/sprujb4
+ */
+
+&cbass_main {
+ gic500: interrupt-controller@...0000 {
+ compatible = "arm,gic-v3";
+ reg = <0x00 0x01800000 0x00 0x10000>, /* GICD */
+ <0x00 0x01840000 0x00 0xc0000>, /* GICR */
+ <0x01 0x00000000 0x00 0x2000>, /* GICC */
+ <0x01 0x00010000 0x00 0x1000>, /* GICH */
+ <0x01 0x00020000 0x00 0x2000>; /* GICV */
+ ranges;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ #interrupt-cells = <3>;
+ interrupt-controller;
+ /*
+ * vcpumntirq:
+ * virtual CPU interface maintenance interrupt
+ */
+ interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
+
+ gic_its: msi-controller@...0000 {
+ compatible = "arm,gic-v3-its";
+ reg = <0x00 0x01820000 0x00 0x10000>;
+ socionext,synquacer-pre-its = <0x1000000 0x400000>;
+ msi-controller;
+ #msi-cells = <1>;
+ };
+ };
+
+ main_uart0: serial@...0000 {
+ compatible = "ti,am64-uart", "ti,am654-uart";
+ reg = <0x00 0x02800000 0x00 0x100>;
+ interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
+ clock-frequency = <48000000>;
+ status = "disabled";
+ };
+
+ oc_sram: sram@...00000 {
+ compatible = "mmio-sram";
+ reg = <0x00 0x70800000 0x00 0x10000>;
+ ranges = <0x0 0x00 0x70800000 0x10000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ };
+};
diff --git a/arch/arm64/boot/dts/ti/k3-am62l-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62l-wakeup.dtsi
new file mode 100644
index 0000000000000..b09b7c679d0b9
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am62l-wakeup.dtsi
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0-only or MIT
+/*
+ * Device Tree file for the AM62L wakeup domain peripherals
+ * Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
+ *
+ * Technical Reference Manual: https://www.ti.com/lit/pdf/sprujb4
+ */
+
+&cbass_wakeup {
+ pmx0: pinctrl@...4000 {
+ compatible = "pinctrl-single";
+ reg = <0x00 0x4084000 0x00 0x8000>;
+ pinctrl-single,register-width = <32>;
+ pinctrl-single,function-mask = <0xffffffff>;
+ #pinctrl-cells = <1>;
+ bootph-all;
+ };
+
+ wkup_conf: bus@...00000 {
+ compatible = "simple-bus";
+ reg = <0x00 0x43000000 0x00 0x20000>;
+ ranges = <0x0 0x00 0x43000000 0x20000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ chipid: chipid@14 {
+ compatible = "ti,am654-chipid";
+ reg = <0x14 0x4>;
+ bootph-all;
+ };
+ };
+};
+
diff --git a/arch/arm64/boot/dts/ti/k3-am62l.dtsi b/arch/arm64/boot/dts/ti/k3-am62l.dtsi
new file mode 100644
index 0000000000000..5a77f32d1eb18
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am62l.dtsi
@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: GPL-2.0-only or MIT
+/*
+ * Device Tree Source for AM62L SoC Family
+ * Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
+ *
+ * Technical Reference Manual: https://www.ti.com/lit/pdf/sprujb4
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+#include "k3-pinctrl.h"
+
+/ {
+ model = "Texas Instruments K3 AM62L3 SoC";
+ compatible = "ti,am62l3";
+ interrupt-parent = <&gic500>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ firmware {
+ optee {
+ compatible = "linaro,optee-tz";
+ method = "smc";
+ };
+ };
+
+ a53_timer0: timer-cl0-cpu0 {
+ compatible = "arm,armv8-timer";
+ interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>, /* cntpsirq */
+ <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>, /* cntpnsirq */
+ <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>, /* cntvirq */
+ <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>; /* cnthpirq */
+ };
+
+ pmu: pmu {
+ compatible = "arm,cortex-a53-pmu";
+ interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ cbass_main: bus@...00 {
+ compatible = "simple-bus";
+ ranges = <0x00 0x00600000 0x00 0x00600000 0x00 0x00001100>, /* GPIO */
+ <0x00 0x00a40000 0x00 0x00a40000 0x00 0x00000800>, /* Timesync router */
+ <0x00 0x00a80000 0x00 0x00a80000 0x00 0x00040000>, /* GTC */
+ <0x00 0x01000000 0x00 0x01000000 0x00 0x01b28400>, /* First peripheral window */
+ <0x00 0x08000000 0x00 0x08000000 0x00 0x00200000>, /* CPSW */
+ <0x00 0x09000000 0x00 0x09000000 0x00 0x00400000>, /* CTRL MMRs */
+ <0x00 0x0e000000 0x00 0x0e000000 0x00 0x0bd28000>, /* Second peripheral window */
+ <0x00 0x30200000 0x00 0x30200000 0x00 0x00400000>, /* DSS */
+ <0x00 0x31000000 0x00 0x31000000 0x00 0x00050000>, /* USB0 DWC3 Core window */
+ <0x00 0x31100000 0x00 0x31100000 0x00 0x00050000>, /* USB1 DWC3 Core window */
+ <0x00 0x3b000000 0x00 0x3b000000 0x00 0x00001000>, /* GPMC0 */
+ <0x00 0x47000000 0x00 0x47000000 0x00 0x02000000>, /* DMSS */
+ <0x00 0x50000000 0x00 0x50000000 0x00 0x08000000>, /* GPMC DATA */
+ <0x00 0x60000000 0x00 0x60000000 0x00 0x08000000>, /* FSS0 DAT1 */
+ <0x00 0x70800000 0x00 0x70800000 0x00 0x00010000>, /* OCSRAM */
+ <0x01 0x00000000 0x01 0x00000000 0x00 0x00310000>, /* A53 PERIPHBASE */
+ <0x05 0x00000000 0x05 0x00000000 0x01 0x00000000>, /* FSS0 DAT3 */
+
+ /* Wakeup Domain Range */
+ <0x00 0x00b00000 0x00 0x00b00000 0x00 0x00001400>, /* VTM */
+ <0x00 0x04080000 0x00 0x04080000 0x00 0x00008000>, /* PDCFG */
+ <0x00 0x04201000 0x00 0x04201000 0x00 0x00008000>, /* GPIO */
+ <0x00 0x2b100000 0x00 0x2b000000 0x00 0x00200400>, /* TIMER */
+ <0x00 0x40800000 0x00 0x40800000 0x00 0x00014000>, /* DMA */
+ <0x00 0x43000000 0x00 0x43000000 0x00 0x00080000>; /* CTRL MMRs */
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ cbass_wakeup: bus@...00000 {
+ compatible = "simple-bus";
+ ranges = <0x00 0x00b00000 0x00 0x00b00000 0x00 0x00001400>, /* VTM */
+ <0x00 0x04080000 0x00 0x04080000 0x00 0x00008000>, /* PDCFG */
+ <0x00 0x04201000 0x00 0x04201000 0x00 0x00008000>, /* GPIO */
+ <0x00 0x2b100000 0x00 0x2b000000 0x00 0x00200400>, /* TIMER */
+ <0x00 0x40800000 0x00 0x40800000 0x00 0x00014000>, /* DMA */
+ <0x00 0x43000000 0x00 0x43000000 0x00 0x00080000>; /* CTRL MMRs */
+ #address-cells = <2>;
+ #size-cells = <2>;
+ bootph-all;
+ };
+ };
+};
+
+/* Now include peripherals for each bus segment */
+#include "k3-am62l-main.dtsi"
+#include "k3-am62l-wakeup.dtsi"
diff --git a/arch/arm64/boot/dts/ti/k3-am62l3.dtsi b/arch/arm64/boot/dts/ti/k3-am62l3.dtsi
new file mode 100644
index 0000000000000..aa679e8e6a9c2
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am62l3.dtsi
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0-only or MIT
+/*
+ * Device Tree file for the AM62L3 SoC family (Dual Core A53)
+ * Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
+ *
+ * Technical Reference Manual: https://www.ti.com/lit/pdf/sprujb4
+ */
+
+/dts-v1/;
+
+#include "k3-am62l.dtsi"
+
+/ {
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu-map {
+ cluster0: cluster0 {
+ core0 {
+ cpu = <&cpu0>;
+ };
+
+ core1 {
+ cpu = <&cpu1>;
+ };
+ };
+ };
+
+ cpu0: cpu@0 {
+ compatible = "arm,cortex-a53";
+ reg = <0x000>;
+ device_type = "cpu";
+ enable-method = "psci";
+ i-cache-size = <0x8000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <128>;
+ next-level-cache = <&l2_0>;
+ };
+
+ cpu1: cpu@1 {
+ compatible = "arm,cortex-a53";
+ reg = <0x001>;
+ device_type = "cpu";
+ enable-method = "psci";
+ i-cache-size = <0x8000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <128>;
+ next-level-cache = <&l2_0>;
+ };
+ };
+
+ l2_0: l2-cache0 {
+ compatible = "cache";
+ cache-unified;
+ cache-level = <2>;
+ cache-size = <0x40000>;
+ cache-line-size = <64>;
+ cache-sets = <256>;
+ };
+};
diff --git a/arch/arm64/boot/dts/ti/k3-pinctrl.h b/arch/arm64/boot/dts/ti/k3-pinctrl.h
index cac7cccc11121..0121413399d63 100644
--- a/arch/arm64/boot/dts/ti/k3-pinctrl.h
+++ b/arch/arm64/boot/dts/ti/k3-pinctrl.h
@@ -66,6 +66,8 @@
#define AM62PX_IOPAD(pa, val, muxmode) (((pa) & 0x1fff)) ((val) | (muxmode))
#define AM62PX_MCU_IOPAD(pa, val, muxmode) (((pa) & 0x1fff)) ((val) | (muxmode))
+#define AM62LX_IOPAD(pa, val, muxmode) (((pa) & 0x1fff)) ((val) | (muxmode))
+
#define AM62X_IOPAD(pa, val, muxmode) (((pa) & 0x1fff)) ((val) | (muxmode))
#define AM62X_MCU_IOPAD(pa, val, muxmode) (((pa) & 0x1fff)) ((val) | (muxmode))
--
2.47.1
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