[PATCH RFC 2/7] clk: samsung: Add definitions of some audio related clocks

Sylwester Nawrocki
2017-04-21T17:19:46Z

This patch adds missing definitions of mux clocks required for using
EPLL as the audio subsystem root clock on exynos5420/exynos5422 SoCs.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
---
drivers/clk/samsung/clk-exynos5420.c | 13 ++++++++-----
include/dt-bindings/clock/exynos5420.h | 3 +++
2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
index cdc092a..87c711a 100644
--- a/drivers/clk/samsung/clk-exynos5420.c
+++ b/drivers/clk/samsung/clk-exynos5420.c
@@ -477,8 +477,7 @@ static void __init exynos5420_clk_sleep_init(void) {}
"mout_sclk_mpll", "ff_dout_spll2",
"mout_sclk_spll", "mout_sclk_epll"};
PNAME(mout_mau_epll_clk_5800_p) = { "mout_sclk_epll", "mout_sclk_dpll",
- "mout_sclk_mpll",
- "ff_dout_spll2" };
+ "mout_sclk_mpll", "ff_dout_spll2" };
PNAME(mout_group8_5800_p) = { "dout_aclk432_scaler", "dout_sclk_sw" };
PNAME(mout_group9_5800_p) = { "dout_osc_div", "mout_sw_aclk432_scaler" };
PNAME(mout_group10_5800_p) = { "dout_aclk432_cam", "dout_sclk_sw" };
@@ -487,6 +486,7 @@ static void __init exynos5420_clk_sleep_init(void) {}
PNAME(mout_group13_5800_p) = { "dout_osc_div", "mout_sw_aclkfl1_550_cam" };
PNAME(mout_group14_5800_p) = { "dout_aclk550_cam", "dout_sclk_sw" };
PNAME(mout_group15_5800_p) = { "dout_osc_div", "mout_sw_aclk550_cam" };
+PNAME(mout_group16_5800_p) = { "dout_osc_div", "mout_mau_epll_clk" };

/* fixed rate clocks generated outside the soc */
static struct samsung_fixed_rate_clock
@@ -536,8 +536,8 @@ static void __init exynos5420_clk_sleep_init(void) {}

MUX(CLK_MOUT_MX_MSPLL_CCORE, "mout_mx_mspll_ccore",
mout_mx_mspll_ccore_p, SRC_TOP7, 16, 2),
- MUX(0, "mout_mau_epll_clk", mout_mau_epll_clk_5800_p, SRC_TOP7,
- 20, 2),
+ MUX(CLK_MOUT_MAU_EPLL, "mout_mau_epll_clk", mout_mau_epll_clk_5800_p,
+ SRC_TOP7, 20, 2),
MUX(0, "sclk_bpll", mout_bpll_p, SRC_TOP7, 24, 1),
MUX(0, "mout_epll2", mout_epll2_5800_p, SRC_TOP7, 28, 1),

@@ -546,6 +546,8 @@ static void __init exynos5420_clk_sleep_init(void) {}
MUX(0, "mout_aclk432_cam", mout_group6_5800_p, SRC_TOP8, 24, 2),
MUX(0, "mout_aclk432_scaler", mout_group6_5800_p, SRC_TOP8, 28, 2),

+ MUX(CLK_MOUT_USER_MAU_EPLL, "mout_user_mau_epll", mout_group16_5800_p,
+ SRC_TOP9, 8, 1),
MUX(0, "mout_user_aclk550_cam", mout_group15_5800_p,
SRC_TOP9, 16, 1),
MUX(0, "mout_user_aclkfl1_550_cam", mout_group13_5800_p,
@@ -703,7 +705,7 @@ static void __init exynos5420_clk_sleep_init(void) {}
MUX(0, "mout_sclk_spll", mout_spll_p, SRC_TOP6, 8, 1),
MUX(0, "mout_sclk_ipll", mout_ipll_p, SRC_TOP6, 12, 1),
MUX(0, "mout_sclk_rpll", mout_rpll_p, SRC_TOP6, 16, 1),
- MUX(0, "mout_sclk_epll", mout_epll_p, SRC_TOP6, 20, 1),
+ MUX(CLK_MOUT_EPLL, "mout_sclk_epll", mout_epll_p, SRC_TOP6, 20, 1),
MUX(0, "mout_sclk_dpll", mout_dpll_p, SRC_TOP6, 24, 1),
MUX(0, "mout_sclk_cpll", mout_cpll_p, SRC_TOP6, 28, 1),

@@ -1399,6 +1401,7 @@ static void __init exynos5x_clk_init(struct device_node *np,

if (_get_rate("fin_pll") == 24 * MHZ) {
exynos5x_plls[apll].rate_table = exynos5420_pll2550x_24mhz_tbl;
+ exynos5x_plls[epll].rate_table = exynos5420_pll2550x_24mhz_tbl;
exynos5x_plls[kpll].rate_table = exynos5420_pll2550x_24mhz_tbl;
exynos5x_plls[bpll].rate_table = exynos5420_pll2550x_24mhz_tbl;
}
diff --git a/include/dt-bindings/clock/exynos5420.h b/include/dt-bindings/clock/exynos5420.h
index 6fd21c2..2740ae0 100644
--- a/include/dt-bindings/clock/exynos5420.h
+++ b/include/dt-bindings/clock/exynos5420.h
@@ -217,6 +217,9 @@
#define CLK_MOUT_MCLK_CDREX 654
#define CLK_MOUT_BPLL 655
#define CLK_MOUT_MX_MSPLL_CCORE 656
+#define CLK_MOUT_EPLL 657
+#define CLK_MOUT_MAU_EPLL 658
+#define CLK_MOUT_USER_MAU_EPLL 659

/* divider clocks */
#define CLK_DOUT_PIXEL 768
--
1.9.1

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