[U-Boot] [PATCH v2 4/5] arm64: dts: k3: Add u-boot specific nodes
Lokesh Vutla
lokeshvutla at ti.com
Mon Aug 27 10:29:09 UTC 2018
Add the minimum dt nodes required to boot. These nodes
will get deleted as kernel gets these nodes added in the
main dts files.
Reviewed-by: Tom Rini <trini at konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
---
arch/arm/dts/k3-am654-base-board-u-boot.dtsi | 203 +++++++++++++++++++
include/dt-bindings/pinctrl/k3-am65.h | 49 +++++
2 files changed, 252 insertions(+)
create mode 100644 arch/arm/dts/k3-am654-base-board-u-boot.dtsi
create mode 100644 include/dt-bindings/pinctrl/k3-am65.h
diff --git a/arch/arm/dts/k3-am654-base-board-u-boot.dtsi b/arch/arm/dts/k3-am654-base-board-u-boot.dtsi
new file mode 100644
index 0000000000..d4ecb3be10
--- /dev/null
+++ b/arch/arm/dts/k3-am654-base-board-u-boot.dtsi
@@ -0,0 +1,203 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
+ */
+
+#include <dt-bindings/pinctrl/k3-am65.h>
+
+/ {
+ chosen {
+ stdout-path = "serial2:115200n8";
+ };
+
+ aliases {
+ serial2 = &main_uart0;
+ };
+};
+
+&cbass_main{
+ u-boot,dm-spl;
+ secure_proxy: secure_proxy at 32c00000 {
+ compatible = "ti,am654-secure-proxy";
+ #mbox-cells = <1>;
+ reg-names = "target_data", "rt", "scfg";
+ reg = <0x32c00000 0x100000>,
+ <0x32400000 0x100000>,
+ <0x32800000 0x100000>;
+ interrupt-names = "rx_011";
+ interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ dmsc: dmsc {
+ compatible = "ti,k2g-sci";
+ ti,host-id = <12>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ /*
+ * In case of rare platforms that does not use am6 as
+ * system master, use /delete-property/
+ */
+ ti,system-reboot-controller;
+ mbox-names = "rx", "tx";
+
+ mboxes= <&secure_proxy 11>,
+ <&secure_proxy 13>;
+
+ k3_pds: power-controller {
+ compatible = "ti,sci-pm-domain";
+ #power-domain-cells = <1>;
+ };
+
+ k3_clks: clocks {
+ compatible = "ti,k2g-sci-clk";
+ #clock-cells = <2>;
+ };
+
+ k3_reset: reset-controller {
+ compatible = "ti,sci-reset";
+ #reset-cells = <2>;
+ };
+
+ k3_sysreset: sysreset-controller {
+ compatible = "ti,sci-sysreset";
+ };
+ };
+
+ main_pmx0: pinmux at 11c000 {
+ compatible = "pinctrl-single";
+ reg = <0x11c000 0x2e4>;
+ #pinctrl-cells = <1>;
+ pinctrl-single,register-width = <32>;
+ pinctrl-single,function-mask = <0xffffffff>;
+ };
+
+ main_pmx1: pinmux at 11c2e8 {
+ compatible = "pinctrl-single";
+ reg = <0x11c2e8 0x24>;
+ #pinctrl-cells = <1>;
+ pinctrl-single,register-width = <32>;
+ pinctrl-single,function-mask = <0xffffffff>;
+ };
+
+ main_uart0: serial at 2800000 {
+ compatible = "ti,am654-uart", "ti,omap4-uart", "ns16550a";
+ reg = <0x02800000 0x100>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ interrupts = <GIC_SPI 192 IRQ_TYPE_LEVEL_HIGH>;
+ clock-frequency = <48000000>;
+ current-speed = <115200>;
+ status = "disabled";
+ u-boot,dm-pre-reloc;
+ };
+
+ sdhci0: sdhci at 04F80000 {
+ compatible = "arasan,sdhci-5.1";
+ reg = <0x4F80000 0x1000>,
+ <0x4F90000 0x400>;
+ clocks = <&k3_clks 47 1>;
+ power-domains = <&k3_pds 47>;
+ max-frequency = <25000000>;
+ };
+
+ sdhci1: sdhci at 04FA0000 {
+ compatible = "arasan,sdhci-5.1";
+ reg = <0x4FA0000 0x1000>,
+ <0x4FB0000 0x400>;
+ clocks = <&k3_clks 48 1>;
+ power-domains = <&k3_pds 48>;
+ max-frequency = <25000000>;
+ };
+
+};
+
+&secure_proxy {
+ 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;
+};
+
+&main_pmx0 {
+ u-boot,dm-spl;
+ main_uart0_pins_default: main_uart0_pins_default {
+ pinctrl-single,pins = <
+ AM65X_IOPAD(0x01e4, PIN_INPUT | MUX_MODE0) /* (AF11) UART0_RXD */
+ AM65X_IOPAD(0x01e8, PIN_OUTPUT | MUX_MODE0) /* (AE11) UART0_TXD */
+ AM65X_IOPAD(0x01ec, PIN_INPUT | MUX_MODE0) /* (AG11) UART0_CTSn */
+ AM65X_IOPAD(0x01f0, PIN_OUTPUT | MUX_MODE0) /* (AD11) UART0_RTSn */
+ >;
+ };
+
+ main_mmc0_pins_default: main_mmc0_pins_default {
+ pinctrl-single,pins = <
+ AM65X_IOPAD(0x01a8, PIN_INPUT_PULLDOWN | MUX_MODE0) /* (B25) MMC0_CLK */
+ AM65X_IOPAD(0x01aC, PIN_INPUT_PULLUP | MUX_MODE0) /* (B27) MMC0_CMD */
+ AM65X_IOPAD(0x01a4, PIN_INPUT_PULLUP | MUX_MODE0) /* (A26) MMC0_DAT0 */
+ AM65X_IOPAD(0x01a0, PIN_INPUT_PULLUP | MUX_MODE0) /* (E25) MMC0_DAT1 */
+ AM65X_IOPAD(0x019c, PIN_INPUT_PULLUP | MUX_MODE0) /* (C26) MMC0_DAT2 */
+ AM65X_IOPAD(0x0198, PIN_INPUT_PULLUP | MUX_MODE0) /* (A25) MMC0_DAT3 */
+ AM65X_IOPAD(0x0194, PIN_INPUT_PULLUP | MUX_MODE0) /* (E24) MMC0_DAT4 */
+ AM65X_IOPAD(0x0190, PIN_INPUT_PULLUP | MUX_MODE0) /* (A24) MMC0_DAT5 */
+ AM65X_IOPAD(0x018c, PIN_INPUT_PULLUP | MUX_MODE0) /* (B26) MMC0_DAT6 */
+ AM65X_IOPAD(0x0188, PIN_INPUT_PULLUP | MUX_MODE0) /* (D25) MMC0_DAT7 */
+ AM65X_IOPAD(0x01b0, PIN_INPUT | MUX_MODE0) /* (C25) MMC0_DS */
+ >;
+ };
+
+ main_mmc1_pins_default: main_mmc1_pins_default {
+ pinctrl-single,pins = <
+ AM65X_IOPAD(0x02d4, PIN_INPUT_PULLDOWN | MUX_MODE0) /* (C27) MMC1_CLK */
+ AM65X_IOPAD(0x02d8, PIN_INPUT_PULLUP | MUX_MODE0) /* (C28) MMC1_CMD */
+ AM65X_IOPAD(0x02d0, PIN_INPUT_PULLUP | MUX_MODE0) /* (D28) MMC1_DAT0 */
+ AM65X_IOPAD(0x02cc, PIN_INPUT_PULLUP | MUX_MODE0) /* (E27) MMC1_DAT1 */
+ AM65X_IOPAD(0x02c8, PIN_INPUT_PULLUP | MUX_MODE0) /* (D26) MMC1_DAT2 */
+ AM65X_IOPAD(0x02c4, PIN_INPUT_PULLUP | MUX_MODE0) /* (D27) MMC1_DAT3 */
+ AM65X_IOPAD(0x02dc, PIN_INPUT_PULLUP | MUX_MODE0) /* (B24) MMC1_SDCD */
+ AM65X_IOPAD(0x02e0, PIN_INPUT | MUX_MODE0) /* (C24) MMC1_SDWP */
+ >;
+ };
+
+};
+
+&main_pmx1 {
+ u-boot,dm-spl;
+};
+
+&main_uart0 {
+ u-boot,dm-spl;
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_uart0_pins_default>;
+ status = "okay";
+};
+
+&sdhci0 {
+ u-boot,dm-spl;
+ status = "okay";
+ non-removable;
+ bus-width = <8>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_mmc0_pins_default>;
+};
+
+&sdhci1 {
+ u-boot,dm-spl;
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_mmc1_pins_default>;
+ sdhci-caps-mask = <0x7 0x0>;
+};
diff --git a/include/dt-bindings/pinctrl/k3-am65.h b/include/dt-bindings/pinctrl/k3-am65.h
new file mode 100644
index 0000000000..c86c9fd4ce
--- /dev/null
+++ b/include/dt-bindings/pinctrl/k3-am65.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * This header provides constants for TI K3-AM65 pinctrl bindings.
+ *
+ * Copyright (C) 2018 Texas Instruments
+ */
+#ifndef _DT_BINDINGS_PINCTRL_TI_K3_AM65_H
+#define _DT_BINDINGS_PINCTRL_TI_K3_AM65_H
+
+/* K3 mux mode options for each pin. See TRM for options */
+#define MUX_MODE0 0
+#define MUX_MODE1 1
+#define MUX_MODE2 2
+#define MUX_MODE3 3
+#define MUX_MODE4 4
+#define MUX_MODE5 5
+#define MUX_MODE6 6
+#define MUX_MODE7 7
+#define MUX_MODE15 15
+
+#define PULL_DISABLE (1 << 16)
+#define PULL_UP (1 << 17)
+#define INPUT_EN (1 << 18)
+#define SLEWCTRL_200MHZ 0
+#define SLEWCTRL_150MHZ (1 << 19)
+#define SLEWCTRL_100MHZ (2 << 19)
+#define SLEWCTRL_50MHZ (3 << 19)
+#define TX_DIS (1 << 21)
+#define ISO_OVR (1 << 22)
+#define ISO_BYPASS (1 << 23)
+#define DS_EN (1 << 24)
+#define DS_INPUT (1 << 25)
+#define DS_FORCE_OUT_HIGH (1 << 26)
+#define DS_PULL_UP_DOWN_EN 0
+#define DS_PULL_UP_DOWN_DIS (1 << 27)
+#define DS_PULL_UP_SEL (1 << 28)
+#define WAKEUP_ENABLE (1 << 29)
+
+#define PIN_OUTPUT (PULL_DISABLE)
+#define PIN_OUTPUT_PULLUP (PULL_UP)
+#define PIN_OUTPUT_PULLDOWN 0
+#define PIN_INPUT (INPUT_EN | PULL_DISABLE)
+#define PIN_INPUT_PULLUP (INPUT_EN | PULL_UP)
+#define PIN_INPUT_PULLDOWN (INPUT_EN)
+
+#define AM65X_IOPAD(pa, val) (((pa) & 0x1fff)) (val)
+#define AM65X_WKUP_IOPAD(pa, val) (((pa) & 0x1fff)) (val)
+
+#endif
--
2.18.0
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