95 lines
2.4 KiB
Diff
95 lines
2.4 KiB
Diff
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From 78280eeb14f56faff93d0a66e7cacd24bfea8d41 Mon Sep 17 00:00:00 2001
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From: Peter Geis <pgwipeout@gmail.com>
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Date: Tue, 14 Sep 2021 09:55:13 -0400
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Subject: [PATCH 089/478] arm64: dts: rockchip: enable sdmmc1 on Quartz64 Model
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A
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Add the sdmmc1 node and associated power sequencing to enable basic wifi
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support on the Quartz64 Model A development board.
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Signed-off-by: Peter Geis <pgwipeout@gmail.com>
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---
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.../boot/dts/rockchip/rk3566-quartz64-a.dts | 45 +++++++++++++++++++
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1 file changed, 45 insertions(+)
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diff --git a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
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index 5c43c3a41a5e..d83230cddf28 100644
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--- a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
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+++ b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
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@@ -91,6 +91,18 @@ simple-audio-card,codec {
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};
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};
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+ sdio_pwrseq: sdio-pwrseq {
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+ status = "okay";
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+ compatible = "mmc-pwrseq-simple";
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+ clocks = <&rk817 1>;
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+ clock-names = "ext_clock";
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&wifi_enable_h>;
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+ reset-gpios = <&gpio2 RK_PC2 GPIO_ACTIVE_LOW>;
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+ post-power-on-delay-ms = <100>;
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+ power-off-delay-us = <5000000>;
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+ };
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+
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vcc12v_dcin: vcc12v_dcin {
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compatible = "regulator-fixed";
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regulator-name = "vcc12v_dcin";
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@@ -163,6 +175,17 @@ vcc_sys: vcc_sys {
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regulator-max-microvolt = <4400000>;
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vin-supply = <&vbus>;
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};
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+
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+ /* sourced from vcc_sys, sdio module operates internally at 3.3v */
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+ vcc_wl: vcc_wl {
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+ compatible = "regulator-fixed";
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+ regulator-name = "vcc_wl";
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+ regulator-always-on;
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+ regulator-boot-on;
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+ regulator-min-microvolt = <3300000>;
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+ regulator-max-microvolt = <3300000>;
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+ vin-supply = <&vcc_sys>;
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+ };
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};
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&cpu0 {
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@@ -493,6 +516,12 @@ pmic_int_l: pmic-int-l {
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};
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};
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+ sdio-pwrseq {
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+ wifi_enable_h: wifi-enable-h {
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+ rockchip,pins = <2 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
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+ };
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+ };
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+
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usb2 {
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vcc5v0_usb20_host_en_h: vcc5v0-usb20-host-en_h {
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rockchip,pins = <4 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
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@@ -531,6 +560,22 @@ &spdif {
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status = "okay";
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};
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+&sdmmc1 {
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+ bus-width = <4>;
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+ cap-sd-highspeed;
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+ cap-sdio-irq;
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+ disable-wp;
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+ keep-power-in-suspend;
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+ mmc-pwrseq = <&sdio_pwrseq>;
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+ non-removable;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&sdmmc1_bus4 &sdmmc1_cmd &sdmmc1_clk>;
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+ sd-uhs-sdr104;
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+ vmmc-supply = <&vcc_wl>;
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+ vqmmc-supply = <&vcc_1v8>;
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+ status = "okay";
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+};
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+
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&tsadc {
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/* tshut mode 0:CRU 1:GPIO */
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rockchip,hw-tshut-mode = <1>;
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--
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2.35.3
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