From: Sinthu Raja <sinthu.r...@ti.com>
Add initial support for AM68 SK device tree that runs on R5.
Signed-off-by: Sinthu Raja <sinthu.r...@ti.com>
---
arch/arm/dts/Makefile | 1 +
arch/arm/dts/k3-am68-sk-r5-base-board.dts | 194 ++++++++++++++++++++++
2 files changed, 195 insertions(+)
create mode 100644 arch/arm/dts/k3-am68-sk-r5-base-board.dts
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 6d49baaaa7..be6e7b4e79 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1250,6 +1250,7 @@ dtb-$(CONFIG_SOC_K3_J721E) +=
k3-j721e-common-proc-board.dtb \
k3-j721e-sk.dtb \
k3-j721e-r5-sk.dtb
dtb-$(CONFIG_SOC_K3_J721S2) += k3-am68-sk-base-board.dtb\
+ k3-am68-sk-r5-base-board.dtb\
k3-j721s2-common-proc-board.dtb\
k3-j721s2-r5-common-proc-board.dtb
dtb-$(CONFIG_SOC_K3_AM642) += k3-am642-evm.dtb \
diff --git a/arch/arm/dts/k3-am68-sk-r5-base-board.dts
b/arch/arm/dts/k3-am68-sk-r5-base-board.dts
new file mode 100644
index 0000000000..46ee6c4422
--- /dev/null
+++ b/arch/arm/dts/k3-am68-sk-r5-base-board.dts
@@ -0,0 +1,194 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+/dts-v1/;
+
+#include "k3-am68-sk-som.dtsi"
+#include "k3-j721s2-ddr-evm-lp4-4266.dtsi"
+#include "k3-j721s2-ddr.dtsi"
+
+/ {
+ chosen {
+ firmware-loader = &fs_loader0;
+ stdout-path = &main_uart8;
+ tick-timer = &timer1;
+ };
+
+ aliases {
+ remoteproc0 = &sysctrler;
+ remoteproc1 = &a72_0;
+ };
+
+ fs_loader0: fs_loader@0 {
+ compatible = "u-boot,fs-loader";
+ u-boot,dm-pre-reloc;
+ };
+
+ a72_0: a72@0 {
+ compatible = "ti,am654-rproc";
+ reg = <0x0 0x00a90000 0x0 0x10>;
+ power-domains = <&k3_pds 61 TI_SCI_PD_EXCLUSIVE>,
+ <&k3_pds 202 TI_SCI_PD_EXCLUSIVE>;
+ resets = <&k3_reset 202 0>;
+ clocks = <&k3_clks 61 1>;
+ assigned-clocks = <&k3_clks 61 1>, <&k3_clks 202 0>;
+ assigned-clock-parents = <&k3_clks 61 2>;
+ assigned-clock-rates = <200000000>, <2000000000>;
+ ti,sci = <&sms>;
+ ti,sci-proc-id = <32>;
+ ti,sci-host-id = <10>;
+ u-boot,dm-spl;
+ };
+
+ clk_200mhz: dummy_clock_200mhz {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <200000000>;
+ u-boot,dm-spl;
+ };
+
+ clk_19_2mhz: dummy_clock_19_2mhz {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <19200000>;
+ u-boot,dm-spl;
+ };
+};
+
+&cbass_mcu_wakeup {
+ sa3_secproxy: secproxy@44880000 {
+ u-boot,dm-spl;
+ compatible = "ti,am654-secure-proxy";
+ reg = <0x0 0x44880000 0x0 0x20000>,
+ <0x0 0x44860000 0x0 0x20000>,
+ <0x0 0x43600000 0x0 0x10000>;
+ reg-names = "rt", "scfg", "target_data";
+ #mbox-cells = <1>;
+ };
+
+ mcu_secproxy: secproxy@2a380000 {
+ compatible = "ti,am654-secure-proxy";
+ reg = <0x0 0x2a380000 0x0 0x80000>,
+ <0x0 0x2a400000 0x0 0x80000>,
+ <0x0 0x2a480000 0x0 0x80000>;
+ reg-names = "rt", "scfg", "target_data";
+ #mbox-cells = <1>;
+ u-boot,dm-spl;
+ };
+
+ sysctrler: sysctrler {
+ compatible = "ti,am654-system-controller";
+ mboxes= <&mcu_secproxy 4>, <&mcu_secproxy 5>, <&sa3_secproxy 5>;
+ mbox-names = "tx", "rx", "boot_notify";
+ u-boot,dm-spl;
+ };
+
+ dm_tifs: dm-tifs {
+ compatible = "ti,j721e-dm-sci";
+ ti,host-id = <3>;
+ ti,secure-host;
+ mbox-names = "rx", "tx";
+ mboxes= <&mcu_secproxy 21>,
+ <&mcu_secproxy 23>;
+ u-boot,dm-spl;
+ };
+};
+
+&main_pmx0 {
+ main_uart8_pins_default: main-uart8-pins-default {
+ pinctrl-single,pins = <
+ J721S2_IOPAD(0x0d0, PIN_INPUT, 11) /* (AF26)
SPI0_CS1.UART8_RXD */
+ J721S2_IOPAD(0x0d4, PIN_OUTPUT, 11) /* (AH27)
SPI0_CLK.UART8_TXD */
+ >;
+ };
+
+ main_mmc1_pins_default: main-mmc1-pins-default {
+ pinctrl-single,pins = <
+ J721S2_IOPAD(0x104, PIN_INPUT, 0) /* (P23) MMC1_CLK */
+ J721S2_IOPAD(0x108, PIN_INPUT, 0) /* (N24) MMC1_CMD */
+ J721S2_IOPAD(0x100, PIN_INPUT, 0) /* (###) MMC1_CLKLB */
+ J721S2_IOPAD(0x0fc, PIN_INPUT, 0) /* (M23) MMC1_DAT0 */
+ J721S2_IOPAD(0x0f8, PIN_INPUT, 0) /* (P24) MMC1_DAT1 */
+ J721S2_IOPAD(0x0f4, PIN_INPUT, 0) /* (R24) MMC1_DAT2 */
+ J721S2_IOPAD(0x0f0, PIN_INPUT, 0) /* (R22) MMC1_DAT3 */
+ J721S2_IOPAD(0x0e8, PIN_INPUT, 8) /* (AE25)
TIMER_IO0.MMC1_SDCD */
+ >;
+ };
+
+ main_usbss0_pins_default: main-usbss0-pins-default {
+ pinctrl-single,pins = <
+ J721S2_IOPAD(0x0ec, PIN_OUTPUT, 6) /* (AG25)
TIMER_IO1.USB0_DRVVBUS */
+ >;
+ };
+};
+
+&wkup_pmx0 {
+ mcu_uart0_pins_default: mcu-uart0-pins-default {
+ u-boot,dm-spl;
+ pinctrl-single,pins = <
+ J721S2_WKUP_IOPAD(0x0f4, PIN_INPUT, 0) /*(C24)
WKUP_GPIO0_13.MCU_UART0_RXD*/
+ J721S2_WKUP_IOPAD(0x0f0, PIN_OUTPUT, 0) /*(C25)
WKUP_GPIO0_12.MCU_UART0_TXD*/
+ >;
+ };
+
+ wkup_uart0_pins_default: wkup-uart0-pins-default {
+ u-boot,dm-spl;
+ pinctrl-single,pins = <
+ J721S2_WKUP_IOPAD(0x0d8, PIN_INPUT, 0) /*(E25)
WKUP_GPIO0_6.WKUP_UART0_CTSn*/
+ J721S2_WKUP_IOPAD(0x0dc, PIN_OUTPUT, 0) /*(F28)
WKUP_GPIO0_7.WKUP_UART0_RTSn*/
+ J721S2_WKUP_IOPAD(0x0b0, PIN_INPUT, 0) /* (D28)
WKUP_UART0_RXD */
+ J721S2_WKUP_IOPAD(0x0b4, PIN_OUTPUT, 0) /* (D27)
WKUP_UART0_TXD */
+ >;
+ };
+
+};
+
+&sms {
+ mboxes= <&mcu_secproxy 8>, <&mcu_secproxy 6>, <&mcu_secproxy 5>;
+ mbox-names = "tx", "rx", "notify";
+ ti,host-id = <4>;
+ ti,secure-host;
+ u-boot,dm-spl;
+};
+
+&wkup_uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&wkup_uart0_pins_default>;
+};
+
+&mcu_uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcu_uart0_pins_default>;
+};
+
+&main_uart8 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_uart8_pins_default>;
+};
+
+&main_sdhci0 {
+ status = "disabled";
+};
+
+&main_sdhci1 {
+ /delete-property/ power-domains;
+ /delete-property/ assigned-clocks;
+ /delete-property/ assigned-clock-parents;
+ pinctrl-0 = <&main_mmc1_pins_default>;
+ pinctrl-names = "default";
+ clock-names = "clk_xin";
+ clocks = <&clk_200mhz>;
+ ti,driver-strength-ohm = <50>;
+};
+
+&mcu_ringacc {
+ ti,sci = <&dm_tifs>;
+};
+
+&mcu_udmap {
+ ti,sci = <&dm_tifs>;
+};
+
+#include "k3-am68-sk-base-board-u-boot.dtsi"
--
2.36.1
