clk: samsung: Add missing exynos5420 audio related clocks

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

Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>

diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
index cdc092a..6f1d6c0 100644 (file)
--- a/drivers/clk/samsung/clk-exynos5420.c
+++ b/drivers/clk/samsung/clk-exynos5420.c
@@ -487,6 +487,7 @@ PNAME(mout_group12_5800_p)  = { "dout_aclkfl1_550_cam", "dout_sclk_sw" };
 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 +537,8 @@ static const struct samsung_mux_clock exynos5800_mux_clks[] __initconst = {
 
        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 +547,8 @@ static const struct samsung_mux_clock exynos5800_mux_clks[] __initconst = {
        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 +706,7 @@ static const struct samsung_mux_clock exynos5x_mux_clks[] __initconst = {
        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 +1402,7 @@ 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 (file)
--- 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