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Commit 2c87c9d3 authored by Gabriel Fernandez's avatar Gabriel Fernandez Committed by Michael Turquette
Browse files

clk: stm32mp1: add RTC clock 



This patch adds the RTC clock.

Signed-off-by: default avatarGabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: default avatarMichael Turquette <mturquette@baylibre.com>
parent 1f80590b

drivers/clk/clk-stm32mp1.c

+15 −0
Original line number Diff line number Diff line
@@ -248,6 +248,10 @@ static const char * const dsi_src[] = { 
	"ck_dsi_phy", "pll4_p"

};



static const char * const rtc_src[] = {

	"off", "ck_lse", "ck_lsi", "ck_hse_rtc"

};



static const struct clk_div_table axi_div_table[] = {

	{ 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 4 },

	{ 4, 4 }, { 5, 4 }, { 6, 4 }, { 7, 4 },
@@ -1945,6 +1949,17 @@ static const struct clock_config stm32mp1_clock_cfg[] = { 
		  _NO_GATE,

		  _MMUX(M_ETHCK),

		  _DIV(RCC_ETHCKSELR, 4, 4, CLK_DIVIDER_ALLOW_ZERO, NULL)),



	/* RTC clock */

	DIV(NO_ID, "ck_hse_rtc", "ck_hse", 0, RCC_RTCDIVR, 0, 7,

	    CLK_DIVIDER_ALLOW_ZERO),



	COMPOSITE(RTC, "ck_rtc", rtc_src, CLK_OPS_PARENT_ENABLE |

		   CLK_SET_RATE_PARENT,

		  _GATE(RCC_BDCR, 20, 0),

		  _MUX(RCC_BDCR, 16, 2, 0),

		  _NO_DIV),



};



struct stm32_clock_match_data {