[PATCH v2 10/12] clk: stm32mp1: add RTC clock
From: gabriel.fernandez at st.com <hidden>
Date: 2018-03-08 16:54:56
Also in:
linux-clk, linux-devicetree, lkml
Subsystem:
common clk framework, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Linus Torvalds
From: Gabriel Fernandez <redacted> This patch adds the RTC clock. Signed-off-by: Gabriel Fernandez <redacted> --- drivers/clk/clk-stm32mp1.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/drivers/clk/clk-stm32mp1.c b/drivers/clk/clk-stm32mp1.c
index b5379a2..51e3e76 100644
--- a/drivers/clk/clk-stm32mp1.c
+++ b/drivers/clk/clk-stm32mp1.c@@ -248,6 +248,10 @@ "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 @@ enum { _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 {
--
1.9.1