drivers: clk: Add clock driver for Intel N5X device

Add clock manager driver for N5X. Provides clock initialization
and get_rate functions.

Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com>

1 files changed, 71 insertions, 0 deletions

diff --git a/include/dt-bindings/clock/n5x-clock.h b/include/dt-bindings/clock/n5x-clock.h
new file mode 100644
index 0000000..a56e4db
--- /dev/null
+++ b/include/dt-bindings/clock/n5x-clock.h
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020-2021, Intel Corporation
+ */
+
+#ifndef __N5X_CLOCK_H
+#define __N5X_CLOCK_H
+
+/* fixed rate clocks */
+#define N5X_OSC1					0
+#define N5X_CB_INTOSC_HS_DIV2_CLK		1
+#define N5X_CB_INTOSC_LS_CLK			2
+#define N5X_L4_SYS_FREE_CLK			3
+#define N5X_F2S_FREE_CLK				4
+
+/* PLL clocks */
+#define N5X_MAIN_PLL_CLK				5
+#define N5X_MAIN_PLL_C0_CLK			6
+#define N5X_MAIN_PLL_C1_CLK			7
+#define N5X_MAIN_PLL_C2_CLK			8
+#define N5X_MAIN_PLL_C3_CLK			9
+#define N5X_PERIPH_PLL_CLK			10
+#define N5X_PERIPH_PLL_C0_CLK			11
+#define N5X_PERIPH_PLL_C1_CLK			12
+#define N5X_PERIPH_PLL_C2_CLK			13
+#define N5X_PERIPH_PLL_C3_CLK			14
+#define N5X_MPU_FREE_CLK				15
+#define N5X_MPU_CCU_CLK				16
+#define N5X_BOOT_CLK				17
+
+/* fixed factor clocks */
+#define N5X_L3_MAIN_FREE_CLK			18
+#define N5X_NOC_FREE_CLK				19
+#define N5X_S2F_USR0_CLK				20
+#define N5X_NOC_CLK				21
+#define N5X_EMAC_A_FREE_CLK			22
+#define N5X_EMAC_B_FREE_CLK			23
+#define N5X_EMAC_PTP_FREE_CLK			24
+#define N5X_GPIO_DB_FREE_CLK			25
+#define N5X_SDMMC_FREE_CLK			26
+#define N5X_S2F_USER0_FREE_CLK			27
+#define N5X_S2F_USER1_FREE_CLK			28
+#define N5X_PSI_REF_FREE_CLK			29
+
+/* Gate clocks */
+#define N5X_MPU_CLK				30
+#define N5X_MPU_PERIPH_CLK			31
+#define N5X_L4_MAIN_CLK				32
+#define N5X_L4_MP_CLK				33
+#define N5X_L4_SP_CLK				34
+#define N5X_CS_AT_CLK				35
+#define N5X_CS_TRACE_CLK				36
+#define N5X_CS_PDBG_CLK				37
+#define N5X_CS_TIMER_CLK				38
+#define N5X_S2F_USER0_CLK			39
+#define N5X_EMAC0_CLK				40
+#define N5X_EMAC1_CLK				41
+#define N5X_EMAC2_CLK				42
+#define N5X_EMAC_PTP_CLK				43
+#define N5X_GPIO_DB_CLK				44
+#define N5X_NAND_CLK				45
+#define N5X_PSI_REF_CLK				46
+#define N5X_S2F_USER1_CLK			47
+#define N5X_SDMMC_CLK				48
+#define N5X_SPI_M_CLK				49
+#define N5X_USB_CLK				50
+#define N5X_NAND_X_CLK				51
+#define N5X_NAND_ECC_CLK				52
+#define N5X_NUM_CLKS				53
+
+#endif	/* __N5X_CLOCK_H */