keystone2: clock: add K2L clock definitions and commands

This patch adds clock definitions and commands to support Keystone II
K2L SOC.

Acked-by: Vitaly Andrianov <vitalya@ti.com>
Signed-off-by: Hao Zhang <hzhang@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>

2 files changed, 93 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-keystone/clock-k2l.h b/arch/arm/include/asm/arch-keystone/clock-k2l.h
new file mode 100644
index 0000000000..ad2e40747a
--- /dev/null
+++ b/arch/arm/include/asm/arch-keystone/clock-k2l.h
@@ -0,0 +1,89 @@
+/*
+ * K2L: Clock management APIs
+ *
+ * (C) Copyright 2012-2014
+ *     Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef __ASM_ARCH_CLOCK_K2L_H
+#define __ASM_ARCH_CLOCK_K2L_H
+
+enum ext_clk_e {
+	sys_clk,
+	alt_core_clk,
+	pa_clk,
+	tetris_clk,
+	ddr3_clk,
+	pcie_clk,
+	sgmii_clk,
+	usb_clk,
+	rp1_clk,
+	ext_clk_count /* number of external clocks */
+};
+
+extern unsigned int external_clk[ext_clk_count];
+
+#define CLK_LIST(CLK)\
+	CLK(0, core_pll_clk)\
+	CLK(1, pass_pll_clk)\
+	CLK(2, tetris_pll_clk)\
+	CLK(3, ddr3_pll_clk)\
+	CLK(4, sys_clk0_clk)\
+	CLK(5, sys_clk0_1_clk)\
+	CLK(6, sys_clk0_2_clk)\
+	CLK(7, sys_clk0_3_clk)\
+	CLK(8, sys_clk0_4_clk)\
+	CLK(9, sys_clk0_6_clk)\
+	CLK(10, sys_clk0_8_clk)\
+	CLK(11, sys_clk0_12_clk)\
+	CLK(12, sys_clk0_24_clk)\
+	CLK(13, sys_clk1_clk)\
+	CLK(14, sys_clk1_3_clk)\
+	CLK(15, sys_clk1_4_clk)\
+	CLK(16, sys_clk1_6_clk)\
+	CLK(17, sys_clk1_12_clk)\
+	CLK(18, sys_clk2_clk)\
+	CLK(19, sys_clk3_clk)\
+
+#define PLLSET_CMD_LIST	"<pa|arm|ddr3>"
+
+#define KS2_CLK1_6	sys_clk0_6_clk
+
+/* PLL identifiers */
+enum pll_type_e {
+	CORE_PLL,
+	PASS_PLL,
+	TETRIS_PLL,
+	DDR3_PLL,
+};
+
+enum {
+	SPD800,
+	SPD1000,
+	SPD1200,
+	SPD1350,
+	SPD1400,
+	SPD_RSV
+};
+
+#define CORE_PLL_799	{CORE_PLL, 13, 1, 2}
+#define CORE_PLL_983	{CORE_PLL, 16, 1, 2}
+#define CORE_PLL_1167	{CORE_PLL, 19, 1, 2}
+#define CORE_PLL_1228	{CORE_PLL, 20, 1, 2}
+#define PASS_PLL_1228	{PASS_PLL, 20, 1, 2}
+#define PASS_PLL_983	{PASS_PLL, 16, 1, 2}
+#define PASS_PLL_1050	{PASS_PLL, 205, 12, 2}
+#define TETRIS_PLL_491	{TETRIS_PLL, 8, 1, 2}
+#define TETRIS_PLL_737	{TETRIS_PLL, 12, 1, 2}
+#define TETRIS_PLL_799	{TETRIS_PLL, 13, 1, 2}
+#define TETRIS_PLL_983	{TETRIS_PLL, 16, 1, 2}
+#define TETRIS_PLL_1167	{TETRIS_PLL, 19, 1, 2}
+#define TETRIS_PLL_1228	{TETRIS_PLL, 20, 1, 2}
+#define DDR3_PLL_200	{DDR3_PLL, 4, 1, 2}
+#define DDR3_PLL_400	{DDR3_PLL, 16, 1, 4}
+#define DDR3_PLL_800	{DDR3_PLL, 16, 1, 2}
+#define DDR3_PLL_333	{DDR3_PLL, 20, 1, 6}
+
+#endif
diff --git a/arch/arm/include/asm/arch-keystone/clock.h b/arch/arm/include/asm/arch-keystone/clock.h
index c5efc6910a..7218230c41 100644
--- a/arch/arm/include/asm/arch-keystone/clock.h
+++ b/arch/arm/include/asm/arch-keystone/clock.h
@@ -20,6 +20,10 @@
 #include <asm/arch/clock-k2e.h>
 #endif
 
+#ifdef CONFIG_SOC_K2L
+#include <asm/arch/clock-k2l.h>
+#endif
+
 #define MAIN_PLL CORE_PLL
 
 #include <asm/types.h>