From: Svyatoslav Ryhel <clamor95@gmail.com>
Date: Wed, 17 Jan 2024 16:32:21 +0000 (+0200)
Subject: board: asus: tf600t: configure SPI pinmux
X-Git-Url: http://git.dujemihanovic.xyz/%7B%7B%20%24style.Permalink%20%7D%7D?a=commitdiff_plain;h=edad9f6b55930370ec96b24c0b634dc9cae13c4e;p=u-boot.git

board: asus: tf600t: configure SPI pinmux

Unlike all other transformers, TF600T has an SPI flash to store
boot firmware and requires precise SPI pinmux configuration.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
---

diff --git a/arch/arm/dts/tegra30-asus-tf600t.dts b/arch/arm/dts/tegra30-asus-tf600t.dts
index f49e7341fe..86ad925921 100644
--- a/arch/arm/dts/tegra30-asus-tf600t.dts
+++ b/arch/arm/dts/tegra30-asus-tf600t.dts
@@ -469,6 +469,42 @@
 				nvidia,enable-input = <TEGRA_PIN_ENABLE>;
 			};
 
+			/* SPI pinmux */
+			spi1_ctrl {
+				nvidia,pins = "spi1_mosi_px4",
+						"spi1_sck_px5",
+						"spi1_cs0_n_px6",
+						"spi1_miso_px7";
+				nvidia,function = "spi1";
+				nvidia,pull = <TEGRA_PIN_PULL_NONE>;
+				nvidia,tristate = <TEGRA_PIN_ENABLE>;
+				nvidia,enable-input = <TEGRA_PIN_ENABLE>;
+			};
+			spi2_sck {
+				nvidia,pins = "spi2_sck_px2";
+				nvidia,function = "gmi";
+				nvidia,pull = <TEGRA_PIN_PULL_NONE>;
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
+				nvidia,enable-input = <TEGRA_PIN_ENABLE>;
+			};
+			spi2_cs1_n {
+				nvidia,pins = "spi2_cs1_n_pw2";
+				nvidia,function = "spi2";
+				nvidia,pull = <TEGRA_PIN_PULL_UP>;
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
+				nvidia,enable-input = <TEGRA_PIN_ENABLE>;
+			};
+			spi4_ctrl {
+				nvidia,pins = "gmi_a16_pj7",
+						"gmi_a17_pb0",
+						"gmi_a18_pb1",
+						"gmi_a19_pk7";
+				nvidia,function = "spi4";
+				nvidia,pull = <TEGRA_PIN_PULL_NONE>;
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
+				nvidia,enable-input = <TEGRA_PIN_ENABLE>;
+			};
+
 			/* Display A pinmux */
 			lcd_pwr0_pb2 {
 				nvidia,pins = "lcd_pwr0_pb2",