arm: dts: k3-am642: Add r5 specific dt support

Add initial support for dt that runs on r5.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 7657ccb..a61f34a 100644 (file)
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1056,7 +1056,8 @@ dtb-$(CONFIG_SOC_K3_J721E) += k3-j721e-common-proc-board.dtb \
                              k3-j721e-r5-common-proc-board.dtb \
                              k3-j7200-common-proc-board.dtb \
                              k3-j7200-r5-common-proc-board.dtb
-dtb-$(CONFIG_SOC_K3_AM642) += k3-am642-evm.dtb
+dtb-$(CONFIG_SOC_K3_AM642) += k3-am642-evm.dtb \
+                             k3-am642-r5-evm.dtb
 
 dtb-$(CONFIG_ARCH_MEDIATEK) += \
        mt7622-rfb.dtb \

diff --git a/arch/arm/dts/k3-am642-evm-u-boot.dtsi b/arch/arm/dts/k3-am642-evm-u-boot.dtsi
new file mode 100644 (file)
index 0000000..3313ca3
--- /dev/null
+++ b/arch/arm/dts/k3-am642-evm-u-boot.dtsi
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020-2021 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+/ {
+       chosen {
+               stdout-path = "serial2:115200n8";
+               tick-timer = &timer1;
+       };
+};
+
+&cbass_main{
+       u-boot,dm-spl;
+       timer1: timer@2400000 {
+               compatible = "ti,omap5430-timer";
+               reg = <0x0 0x2400000 0x0 0x80>;
+               ti,timer-alwon;
+               clock-frequency = <250000000>;
+               u-boot,dm-spl;
+       };
+};
+
+&main_uart0 {
+       u-boot,dm-spl;
+};
+
+&dmss {
+       u-boot,dm-spl;
+};
+
+&secure_proxy_main {
+       u-boot,dm-spl;
+};
+
+&dmsc {
+       u-boot,dm-spl;
+};
+
+&k3_pds {
+       u-boot,dm-spl;
+};
+
+&k3_clks {
+       u-boot,dm-spl;
+};
+
+&k3_reset {
+       u-boot,dm-spl;
+};
+
+&sdhci0 {
+       u-boot,dm-spl;
+};
+
+&sdhci1 {
+       u-boot,dm-spl;
+};

diff --git a/arch/arm/dts/k3-am642-r5-evm.dts b/arch/arm/dts/k3-am642-r5-evm.dts
new file mode 100644 (file)
index 0000000..46c2c74
--- /dev/null
+++ b/arch/arm/dts/k3-am642-r5-evm.dts
@@ -0,0 +1,169 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020-2021 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+/dts-v1/;
+
+#include "k3-am642.dtsi"
+
+/ {
+       chosen {
+               stdout-path = "serial2:115200n8";
+               tick-timer = &timer1;
+       };
+
+       aliases {
+               remoteproc0 = &sysctrler;
+               remoteproc1 = &a53_0;
+       };
+
+       memory@80000000 {
+               device_type = "memory";
+               /* 2G RAM */
+               reg = <0x00000000 0x80000000 0x00000000 0x80000000>;
+
+       };
+
+       a53_0: a53@0 {
+               compatible = "ti,am654-rproc";
+               reg = <0x00 0x00a90000 0x00 0x10>;
+               power-domains = <&k3_pds 61 TI_SCI_PD_EXCLUSIVE>,
+                               <&k3_pds 135 TI_SCI_PD_EXCLUSIVE>;
+               resets = <&k3_reset 135 0>;
+               clocks = <&k3_clks 61 0>;
+               assigned-clocks = <&k3_clks 61 0>, <&k3_clks 135 0>;
+               assigned-clock-parents = <&k3_clks 61 2>;
+               assigned-clock-rates = <200000000>, <1000000000>;
+               ti,sci = <&dmsc>;
+               ti,sci-proc-id = <32>;
+               ti,sci-host-id = <10>;
+               u-boot,dm-spl;
+       };
+
+       reserved-memory {
+               #address-cells = <2>;
+               #size-cells = <2>;
+               ranges;
+
+               secure_ddr: optee@9e800000 {
+                       reg = <0x00 0x9e800000 0x00 0x01800000>; /* for OP-TEE */
+                       alignment = <0x1000>;
+                       no-map;
+               };
+       };
+
+       clk_200mhz: dummy-clock-200mhz {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <200000000>;
+               u-boot,dm-spl;
+       };
+};
+
+&cbass_main {
+       sysctrler: sysctrler {
+               compatible = "ti,am654-system-controller";
+               mboxes= <&secure_proxy_main 1>, <&secure_proxy_main 0>;
+               mbox-names = "tx", "rx";
+               u-boot,dm-spl;
+       };
+};
+
+&main_pmx0 {
+       u-boot,dm-spl;
+       main_uart0_pins_default: main-uart0-pins-default {
+               u-boot,dm-spl;
+               pinctrl-single,pins = <
+                       AM64X_IOPAD(0x0238, PIN_INPUT, 0)               /* (B16) UART0_CTSn */
+                       AM64X_IOPAD(0x023c, PIN_OUTPUT, 0)              /* (A16) UART0_RTSn */
+                       AM64X_IOPAD(0x0230, PIN_INPUT, 0)               /* (D15) UART0_RXD */
+                       AM64X_IOPAD(0x0234, PIN_OUTPUT, 0)              /* (C16) UART0_TXD */
+               >;
+       };
+
+       main_uart1_pins_default: main-uart1-pins-default {
+               u-boot,dm-spl;
+               pinctrl-single,pins = <
+                       AM64X_IOPAD(0x0248, PIN_INPUT, 0)               /* (D16) UART1_CTSn */
+                       AM64X_IOPAD(0x024c, PIN_OUTPUT, 0)              /* (E16) UART1_RTSn */
+                       AM64X_IOPAD(0x0240, PIN_INPUT, 0)               /* (E15) UART1_RXD */
+                       AM64X_IOPAD(0x0244, PIN_OUTPUT, 0)              /* (E14) UART1_TXD */
+               >;
+       };
+
+       main_mmc0_pins_default: main-mmc0-pins-default {
+               u-boot,dm-spl;
+               pinctrl-single,pins = <
+                       AM64X_IOPAD(0x01a8, PIN_INPUT_PULLDOWN, 0)      /* (B25) MMC0_CLK */
+                       AM64X_IOPAD(0x01aC, PIN_INPUT_PULLUP, 0)        /* (B27) MMC0_CMD */
+                       AM64X_IOPAD(0x01a4, PIN_INPUT_PULLUP, 0)        /* (A26) MMC0_DAT0 */
+                       AM64X_IOPAD(0x01a0, PIN_INPUT_PULLUP, 0)        /* (E25) MMC0_DAT1 */
+                       AM64X_IOPAD(0x019c, PIN_INPUT_PULLUP, 0)        /* (C26) MMC0_DAT2 */
+                       AM64X_IOPAD(0x0198, PIN_INPUT_PULLUP, 0)        /* (A25) MMC0_DAT3 */
+                       AM64X_IOPAD(0x0194, PIN_INPUT_PULLUP, 0)        /* (E24) MMC0_DAT4 */
+                       AM64X_IOPAD(0x0190, PIN_INPUT_PULLUP, 0)        /* (A24) MMC0_DAT5 */
+                       AM64X_IOPAD(0x018c, PIN_INPUT_PULLUP, 0)        /* (B26) MMC0_DAT6 */
+                       AM64X_IOPAD(0x0188, PIN_INPUT_PULLUP, 0)        /* (D25) MMC0_DAT7 */
+                       AM64X_IOPAD(0x01b0, PIN_INPUT, 0)               /* (C25) MMC0_DS */
+               >;
+       };
+
+       main_mmc1_pins_default: main-mmc1-pins-default {
+               u-boot,dm-spl;
+               pinctrl-single,pins = <
+                       AM64X_IOPAD(0x0294, PIN_INPUT_PULLUP, 0)        /* (J19) MMC1_CMD */
+                       AM64X_IOPAD(0x028c, PIN_INPUT_PULLDOWN, 0)      /* (L20) MMC1_CLK */
+                       AM64X_IOPAD(0x0288, PIN_INPUT_PULLUP, 0)        /* (K21) MMC1_DAT0 */
+                       AM64X_IOPAD(0x0284, PIN_INPUT_PULLUP, 0)        /* (L21) MMC1_DAT1 */
+                       AM64X_IOPAD(0x0280, PIN_INPUT_PULLUP, 0)        /* (K19) MMC1_DAT2 */
+                       AM64X_IOPAD(0x027c, PIN_INPUT_PULLUP, 0)        /* (K18) MMC1_DAT3 */
+                       AM64X_IOPAD(0x0298, PIN_INPUT_PULLUP, 0)        /* (D19) MMC1_SDCD */
+                       AM64X_IOPAD(0x029c, PIN_INPUT_PULLUP, 0)        /* (C20) MMC1_SDWP */
+               >;
+       };
+};
+
+&dmsc {
+       mboxes= <&secure_proxy_main 0>,
+               <&secure_proxy_main 1>,
+               <&secure_proxy_main 0>;
+       mbox-names = "rx", "tx", "notify";
+       ti,host-id = <35>;
+       ti,secure-host;
+};
+
+&main_uart0 {
+       /delete-property/ power-domains;
+       /delete-property/ clocks;
+       /delete-property/ clock-names;
+       pinctrl-names = "default";
+       pinctrl-0 = <&main_uart0_pins_default>;
+       status = "okay";
+};
+
+&main_uart1 {
+       u-boot,dm-spl;
+       pinctrl-names = "default";
+       pinctrl-0 = <&main_uart1_pins_default>;
+};
+
+&sdhci0 {
+       /delete-property/ power-domains;
+       clocks = <&clk_200mhz>;
+       clock-names = "clk_xin";
+       ti,driver-strength-ohm = <50>;
+       disable-wp;
+       pinctrl-0 = <&main_mmc0_pins_default>;
+};
+
+&sdhci1 {
+       /delete-property/ power-domains;
+       clocks = <&clk_200mhz>;
+       clock-names = "clk_xin";
+       ti,driver-strength-ohm = <50>;
+       disable-wp;
+       pinctrl-0 = <&main_mmc1_pins_default>;
+};
+
+#include "k3-am642-evm-u-boot.dtsi"