ARM: cmd_clock: generalize command usage description

The usage description of commands refers to headers of sources,
that is not correct. This patch is intended to fix it.
Also generalize code in order to reduce SoC dependent #ifdefs.
Signed-off-by: NIvan Khoronzhuk <ivan.khoronzhuk@ti.com>

arch/arm/cpu/armv7/keystone/cmd_clock.c

@@ -58,20 +58,11 @@ pll_cmd_usage:
 	return cmd_usage(cmdtp);
 }
 
-#ifdef CONFIG_SOC_K2HK
-U_BOOT_CMD(
-	pllset,	5,	0,	do_pll_cmd,
-	"set pll multiplier and pre divider",
-	"<pa|arm|ddr3a|ddr3b> <mult> <div> <OD>\n"
-);
-#endif
-#ifdef CONFIG_SOC_K2E
 U_BOOT_CMD(
 	pllset, 5,      0,      do_pll_cmd,
 	"set pll multiplier and pre divider",
-	"<pa|ddr3> <mult> <div> <OD>\n"
+	PLLSET_CMD_LIST " <mult> <div> <OD>\n"
 );
-#endif
 
 int do_getclk_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
@@ -95,12 +86,8 @@ U_BOOT_CMD(
 	getclk,	2,	0,	do_getclk_cmd,
 	"get clock rate",
 	"<clk index>\n"
-#ifdef CONFIG_SOC_K2HK
-	"See the 'enum clk_e' in the clock-k2hk.h for clk indexes\n"
-#endif
-#ifdef CONFIG_SOC_K2E
-	"See the 'enum clk_e' in the clock-k2e.h for clk indexes\n"
-#endif
+	"The indexes for clocks:\n"
+	CLOCK_INDEXES_LIST
 );
 
 int do_psc_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
@@ -141,5 +128,8 @@ U_BOOT_CMD(
 	psc,	3,	0,	do_psc_cmd,
 	"<enable/disable psc module os disable domain>",
 	"<mod/domain index> <en|di|domain>\n"
-	"See the hardware.h for Power and Sleep Controller (PSC) Domains\n"
+	"Intended to control Power and Sleep Controller (PSC) domains and\n"
+	"modules. The module or domain index exectly corresponds to ones\n"
+	"listed in official TRM. For instance, to enable MSMC RAM clock\n"
+	"domain use command: psc 14 en.\n"
 );

arch/arm/include/asm/arch-keystone/clock-k2e.h

@@ -25,27 +25,28 @@ enum ext_clk_e {
 
 extern unsigned int external_clk[ext_clk_count];
 
-enum clk_e {
-	core_pll_clk,
-	pass_pll_clk,
-	ddr3_pll_clk,
-	sys_clk0_clk,
-	sys_clk0_1_clk,
-	sys_clk0_2_clk,
-	sys_clk0_3_clk,
-	sys_clk0_4_clk,
-	sys_clk0_6_clk,
-	sys_clk0_8_clk,
-	sys_clk0_12_clk,
-	sys_clk0_24_clk,
-	sys_clk1_clk,
-	sys_clk1_3_clk,
-	sys_clk1_4_clk,
-	sys_clk1_6_clk,
-	sys_clk1_12_clk,
-	sys_clk2_clk,
-	sys_clk3_clk
-};
+#define CLK_LIST(CLK)\
+	CLK(0, core_pll_clk)\
+	CLK(1, pass_pll_clk)\
+	CLK(2, ddr3_pll_clk)\
+	CLK(3, sys_clk0_clk)\
+	CLK(4, sys_clk0_1_clk)\
+	CLK(5, sys_clk0_2_clk)\
+	CLK(6, sys_clk0_3_clk)\
+	CLK(7, sys_clk0_4_clk)\
+	CLK(8, sys_clk0_6_clk)\
+	CLK(9, sys_clk0_8_clk)\
+	CLK(10, sys_clk0_12_clk)\
+	CLK(11, sys_clk0_24_clk)\
+	CLK(12, sys_clk1_clk)\
+	CLK(13, sys_clk1_3_clk)\
+	CLK(14, sys_clk1_4_clk)\
+	CLK(15, sys_clk1_6_clk)\
+	CLK(16, sys_clk1_12_clk)\
+	CLK(17, sys_clk2_clk)\
+	CLK(18, sys_clk3_clk)
+
+#define PLLSET_CMD_LIST	"<pa|ddr3>"
 
 #define KS2_CLK1_6	sys_clk0_6_clk
 

arch/arm/include/asm/arch-keystone/clock-k2hk.h

@@ -28,29 +28,30 @@ enum ext_clk_e {
 
 extern unsigned int external_clk[ext_clk_count];
 
-enum clk_e {
-	core_pll_clk,
-	pass_pll_clk,
-	tetris_pll_clk,
-	ddr3a_pll_clk,
-	ddr3b_pll_clk,
-	sys_clk0_clk,
-	sys_clk0_1_clk,
-	sys_clk0_2_clk,
-	sys_clk0_3_clk,
-	sys_clk0_4_clk,
-	sys_clk0_6_clk,
-	sys_clk0_8_clk,
-	sys_clk0_12_clk,
-	sys_clk0_24_clk,
-	sys_clk1_clk,
-	sys_clk1_3_clk,
-	sys_clk1_4_clk,
-	sys_clk1_6_clk,
-	sys_clk1_12_clk,
-	sys_clk2_clk,
-	sys_clk3_clk
-};
+#define CLK_LIST(CLK)\
+	CLK(0, core_pll_clk)\
+	CLK(1, pass_pll_clk)\
+	CLK(2, tetris_pll_clk)\
+	CLK(3, ddr3a_pll_clk)\
+	CLK(4, ddr3b_pll_clk)\
+	CLK(5, sys_clk0_clk)\
+	CLK(6, sys_clk0_1_clk)\
+	CLK(7, sys_clk0_2_clk)\
+	CLK(8, sys_clk0_3_clk)\
+	CLK(9, sys_clk0_4_clk)\
+	CLK(10, sys_clk0_6_clk)\
+	CLK(11, sys_clk0_8_clk)\
+	CLK(12, sys_clk0_12_clk)\
+	CLK(13, sys_clk0_24_clk)\
+	CLK(14, sys_clk1_clk)\
+	CLK(15, sys_clk1_3_clk)\
+	CLK(16, sys_clk1_4_clk)\
+	CLK(17, sys_clk1_6_clk)\
+	CLK(18, sys_clk1_12_clk)\
+	CLK(19, sys_clk2_clk)\
+	CLK(20, sys_clk3_clk)
+
+#define PLLSET_CMD_LIST		"<pa|arm|ddr3a|ddr3b>"
 
 #define KS2_CLK1_6 sys_clk0_6_clk
 

arch/arm/include/asm/arch-keystone/clock.h

@@ -24,6 +24,14 @@
 
 #include <asm/types.h>
 
+#define GENERATE_ENUM(NUM, ENUM) ENUM = NUM,
+#define GENERATE_INDX_STR(NUM, STRING) #NUM"\t- "#STRING"\n"
+#define CLOCK_INDEXES_LIST	CLK_LIST(GENERATE_INDX_STR)
+
+enum clk_e {
+	CLK_LIST(GENERATE_ENUM)
+};
+
 struct keystone_pll_regs {
 	u32 reg0;
 	u32 reg1;