[PATCH 2/2] clk: aspeed: add AST2700 PECI clock

[Ryan Chen]

Register the SoC1 PECI clock as a mux selected by SCU1_CLK_SEL2 bit 16,
choosing between the 25MHz CLKIN and HPLL/4. Add the HPLL/4 fixed factor
clock to serve as the second mux parent.

Signed-off-by: Ryan Chen <ryan_chen@xxxxxxxxxxxxxx>
---
 drivers/clk/aspeed/clk-ast2700.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/clk/aspeed/clk-ast2700.c b/drivers/clk/aspeed/clk-ast2700.c
index 8b7b382f6f3e..5f499ec0e1d1 100644
--- a/drivers/clk/aspeed/clk-ast2700.c
+++ b/drivers/clk/aspeed/clk-ast2700.c
@@ -273,6 +273,13 @@ static const unsigned int sdclk_parent_ids[] = {
 
 static const struct clk_hw *sdclk_parent_hws[ARRAY_SIZE(sdclk_parent_ids)];
 
+static const unsigned int peciclk_parent_ids[] = {
+	SCU1_CLKIN,
+	SCU1_CLK_HPLL_DIV4
+};
+
+static const struct clk_hw *peciclk_parent_hws[ARRAY_SIZE(peciclk_parent_ids)];
+
 #define FIXED_CLK(_id, _name, _rate) \
 	{ \
 		.id = _id,	\
@@ -458,6 +465,7 @@ static const struct ast2700_clk_info ast2700_scu1_clk_info[] __initconst = {
 	PLL_CLK(SCU1_CLK_HPLL, CLK_PLL, "soc1-hpll", SCU1_CLKIN, SCU1_HPLL_PARAM),
 	PLL_CLK(SCU1_CLK_APLL, CLK_PLL, "soc1-apll", SCU1_CLKIN, SCU1_APLL_PARAM),
 	PLL_CLK(SCU1_CLK_DPLL, CLK_PLL, "soc1-dpll", SCU1_CLKIN, SCU1_DPLL_PARAM),
+	FIXED_FACTOR_CLK(SCU1_CLK_HPLL_DIV4, "soc1-hpll_div4", SCU1_CLK_HPLL, 1, 4),
 	FIXED_FACTOR_CLK(SCU1_CLK_APLL_DIV2, "soc1-apll_div2", SCU1_CLK_APLL, 1, 2),
 	FIXED_FACTOR_CLK(SCU1_CLK_APLL_DIV4, "soc1-apll_div4", SCU1_CLK_APLL, 1, 4),
 	FIXED_FACTOR_CLK(SCU1_CLK_CAN, "canclk", SCU1_CLK_APLL, 1, 10),
@@ -481,6 +489,8 @@ static const struct ast2700_clk_info ast2700_scu1_clk_info[] __initconst = {
 		uxclk_parent_hws, SCU1_CLK_SEL2, 0, 2),
 	MUX_CLK(SCU1_CLK_HUXCLK, "huxclk", uxclk_parent_ids, ARRAY_SIZE(uxclk_parent_ids),
 		uxclk_parent_hws, SCU1_CLK_SEL2, 3, 2),
+	MUX_CLK(SCU1_CLK_PECI, "peciclk", peciclk_parent_ids, ARRAY_SIZE(peciclk_parent_ids),
+		peciclk_parent_hws, SCU1_CLK_SEL2, 16, 1),
 	DIVIDER_CLK(SCU1_CLK_SDCLK, "sdclk", SCU1_CLK_SDMUX,
 		    SCU1_CLK_SEL1, 14, 3, ast2700_clk_div_table),
 	PLL_CLK(SCU1_CLK_UARTX, CLK_UART_PLL, "uartxclk", SCU1_CLK_UXCLK, SCU1_UXCLK_CTRL),

-- 
2.34.1