imx: add support for i.MX7/i.MX8MQ reset controller
Add support for the reset controller that's used on the i.MX7D
and i.MX8MQ. This will be needed to be able to assert the PCIe
reset pins. Bindings taken from Linux, driver implementation
mostly taken from Linux and adjusted to U-Boot infrastructure.
Signed-off-by: Patrick Wildt <patrick@blueri.se>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
diff --git a/include/dt-bindings/reset/imx8mq-reset.h b/include/dt-bindings/reset/imx8mq-reset.h
new file mode 100755
index 0000000..9a30108
--- /dev/null
+++ b/include/dt-bindings/reset/imx8mq-reset.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2018 Zodiac Inflight Innovations
+ *
+ * Author: Andrey Smirnov <andrew.smirnov@gmail.com>
+ */
+
+#ifndef DT_BINDING_RESET_IMX8MQ_H
+#define DT_BINDING_RESET_IMX8MQ_H
+
+#define IMX8MQ_RESET_A53_CORE_POR_RESET0 0
+#define IMX8MQ_RESET_A53_CORE_POR_RESET1 1
+#define IMX8MQ_RESET_A53_CORE_POR_RESET2 2
+#define IMX8MQ_RESET_A53_CORE_POR_RESET3 3
+#define IMX8MQ_RESET_A53_CORE_RESET0 4
+#define IMX8MQ_RESET_A53_CORE_RESET1 5
+#define IMX8MQ_RESET_A53_CORE_RESET2 6
+#define IMX8MQ_RESET_A53_CORE_RESET3 7
+#define IMX8MQ_RESET_A53_DBG_RESET0 8
+#define IMX8MQ_RESET_A53_DBG_RESET1 9
+#define IMX8MQ_RESET_A53_DBG_RESET2 10
+#define IMX8MQ_RESET_A53_DBG_RESET3 11
+#define IMX8MQ_RESET_A53_ETM_RESET0 12
+#define IMX8MQ_RESET_A53_ETM_RESET1 13
+#define IMX8MQ_RESET_A53_ETM_RESET2 14
+#define IMX8MQ_RESET_A53_ETM_RESET3 15
+#define IMX8MQ_RESET_A53_SOC_DBG_RESET 16
+#define IMX8MQ_RESET_A53_L2RESET 17
+#define IMX8MQ_RESET_SW_NON_SCLR_M4C_RST 18
+#define IMX8MQ_RESET_OTG1_PHY_RESET 19
+#define IMX8MQ_RESET_OTG2_PHY_RESET 20
+#define IMX8MQ_RESET_MIPI_DSI_RESET_BYTE_N 21
+#define IMX8MQ_RESET_MIPI_DSI_RESET_N 22
+#define IMX8MQ_RESET_MIPI_DSI_DPI_RESET_N 23
+#define IMX8MQ_RESET_MIPI_DSI_ESC_RESET_N 24
+#define IMX8MQ_RESET_MIPI_DSI_PCLK_RESET_N 25
+#define IMX8MQ_RESET_PCIEPHY 26
+#define IMX8MQ_RESET_PCIEPHY_PERST 27
+#define IMX8MQ_RESET_PCIE_CTRL_APPS_EN 28
+#define IMX8MQ_RESET_PCIE_CTRL_APPS_TURNOFF 29
+#define IMX8MQ_RESET_HDMI_PHY_APB_RESET 30 /* i.MX8MM does NOT support */
+#define IMX8MQ_RESET_DISP_RESET 31
+#define IMX8MQ_RESET_GPU_RESET 32
+#define IMX8MQ_RESET_VPU_RESET 33
+#define IMX8MQ_RESET_PCIEPHY2 34 /* i.MX8MM does NOT support */
+#define IMX8MQ_RESET_PCIEPHY2_PERST 35 /* i.MX8MM does NOT support */
+#define IMX8MQ_RESET_PCIE2_CTRL_APPS_EN 36 /* i.MX8MM does NOT support */
+#define IMX8MQ_RESET_PCIE2_CTRL_APPS_TURNOFF 37 /* i.MX8MM does NOT support */
+#define IMX8MQ_RESET_MIPI_CSI1_CORE_RESET 38 /* i.MX8MM does NOT support */
+#define IMX8MQ_RESET_MIPI_CSI1_PHY_REF_RESET 39 /* i.MX8MM does NOT support */
+#define IMX8MQ_RESET_MIPI_CSI1_ESC_RESET 40 /* i.MX8MM does NOT support */
+#define IMX8MQ_RESET_MIPI_CSI2_CORE_RESET 41 /* i.MX8MM does NOT support */
+#define IMX8MQ_RESET_MIPI_CSI2_PHY_REF_RESET 42 /* i.MX8MM does NOT support */
+#define IMX8MQ_RESET_MIPI_CSI2_ESC_RESET 43 /* i.MX8MM does NOT support */
+#define IMX8MQ_RESET_DDRC1_PRST 44
+#define IMX8MQ_RESET_DDRC1_CORE_RESET 45
+#define IMX8MQ_RESET_DDRC1_PHY_RESET 46
+#define IMX8MQ_RESET_DDRC2_PRST 47 /* i.MX8MM does NOT support */
+#define IMX8MQ_RESET_DDRC2_CORE_RESET 48 /* i.MX8MM does NOT support */
+#define IMX8MQ_RESET_DDRC2_PHY_RESET 49 /* i.MX8MM does NOT support */
+
+#define IMX8MQ_RESET_NUM 50
+
+#endif