108 lines
1.9 KiB
Plaintext
108 lines
1.9 KiB
Plaintext
/*
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* Copyright (c) 2024 Ambiq Micro Inc. <www.ambiq.com>
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* SPDX-License-Identifier: Apache-2.0
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*/
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/ {
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aliases {
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mspi0 = &mspi1;
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};
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};
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&gpio32_63 {
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status = "okay";
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};
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&mspi1 {
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compatible = "ambiq,mspi-controller";
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pinctrl-0 = <&mspi1_default>;
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pinctrl-1 = <&mspi1_sleep>;
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pinctrl-2 = <&mspi1_flash>;
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pinctrl-names = "default","sleep","flash";
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status = "okay";
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ce-gpios = <&gpio32_63 18 GPIO_ACTIVE_LOW>;
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cmdq-buffer-location = ".mspi_buff";
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cmdq-buffer-size = <256>;
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atxp032: atxp032@0 {
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compatible = "ambiq,mspi-device", "mspi-atxp032";
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size = <DT_SIZE_M(32)>;
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reg = <0>;
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status = "okay";
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mspi-max-frequency = <48000000>;
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mspi-io-mode = "MSPI_IO_MODE_OCTAL";
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mspi-data-rate = "MSPI_DATA_RATE_SINGLE";
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mspi-hardware-ce-num = <0>;
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read-command = <0x0B>;
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write-command = <0x02>;
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command-length = "INSTR_1_BYTE";
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address-length = "ADDR_4_BYTE";
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rx-dummy = <8>;
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tx-dummy = <0>;
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xip-config = <1 0 0 0>;
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ce-break-config = <0 0>;
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ambiq,timing-config-mask = <3>;
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ambiq,timing-config = <0 8 0 0 0 0 0 0>;
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};
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};
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&pinctrl {
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mspi1_sleep: mspi1_sleep{
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group1 {
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pinmux = <GPIO_P51>,
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<GPIO_P52>,
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<GPIO_P53>,
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<GPIO_P54>,
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<GPIO_P55>,
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<GPIO_P56>,
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<GPIO_P57>,
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<GPIO_P58>,
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<GPIO_P59>,
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<GPIO_P69>,
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<GPIO_P50>;
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};
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};
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mspi1_flash: mspi1_flash{
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group1 {
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pinmux = <MSPI1_0_P51>,
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<MSPI1_1_P52>,
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<MSPI1_2_P53>,
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<MSPI1_3_P54>,
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<MSPI1_4_P55>,
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<MSPI1_5_P56>,
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<MSPI1_6_P57>,
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<MSPI1_7_P58>;
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drive-strength = "0.75";
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ambiq,iom-mspi = <0>;
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ambiq,iom-num = <1>;
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};
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group2 {
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pinmux = <MSPI1_8_P59>;
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drive-strength = "0.75";
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ambiq,iom-mspi = <0>;
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ambiq,iom-num = <2>;
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};
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group3 {
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pinmux = <NCE50_P50>;
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drive-strength = "1.0";
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ambiq,iom-mspi = <0>;
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ambiq,iom-num = <1>;
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};
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group4 {
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pinmux = <GPIO_P69>;
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};
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};
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};
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