board: nvidia: tegratab: add Nvidia Tegra Note 7 support
The Tegra Note 7 is a mini tablet computer and the second Tegra 4
based mobile device designed by Nvidia that runs the Android operating
system. The Tegra Note has a 7" IPS display with 1280 x 800 (217 ppi)
resolution. The 1 GB of RAM and 16 GB of internal memory can be
supplemented with a microSDXC card giving up to 64 GB of additional
storage.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
diff --git a/board/nvidia/tegratab/tegratab.c b/board/nvidia/tegratab/tegratab.c
new file mode 100644
index 0000000..775e5be
--- /dev/null
+++ b/board/nvidia/tegratab/tegratab.c
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2010-2013
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * (C) Copyright 2023
+ * Svyatoslav Ryhel <clamor95@gmail.com>
+ */
+
+#include <dm.h>
+#include <fdt_support.h>
+#include <i2c.h>
+#include <log.h>
+
+#ifdef CONFIG_MMC_SDHCI_TEGRA
+
+#define TPS65913_I2C_ADDRESS 0x58
+#define TPS65913_PRIMARY_SECONDARY_PAD2 0xfb
+#define GPIO_4 BIT(0)
+#define TPS65913_PRIMARY_SECONDARY_PAD3 0xfe
+#define DVFS2 BIT(1)
+#define DVFS1 BIT(0)
+
+/* We are using this function only till palmas pinctrl driver is available */
+void pin_mux_mmc(void)
+{
+ struct udevice *dev;
+ int ret;
+
+ ret = i2c_get_chip_for_busnum(0, TPS65913_I2C_ADDRESS, 1, &dev);
+ if (ret) {
+ log_debug("%s: cannot find PMIC I2C chip\n", __func__);
+ return;
+ }
+
+ /* GPIO4 function has to be GPIO */
+ dm_i2c_reg_clrset(dev, TPS65913_PRIMARY_SECONDARY_PAD2,
+ GPIO_4, 0);
+
+ /* DVFS1 is enabled, DVFS2 is disabled */
+ dm_i2c_reg_clrset(dev, TPS65913_PRIMARY_SECONDARY_PAD3,
+ DVFS2 | DVFS1, DVFS1);
+}
+#endif
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+ /* Remove TrustZone nodes and memory reserves */
+ fdt_del_node_and_alias(blob, "/firmware");
+ fdt_del_node_and_alias(blob, "/reserved-memory/trustzone@bfe00000");
+ fdt_del_node_and_alias(blob, "/reserved-memory/bootloader-firmware@b7e00000");
+
+ return 0;
+}
+#endif