clk: tegra: Define Tegra210 DMIC clocks

Tegra210 has 3 inputs for Digital Microphones (DMICs). Provide the
required clocks for them.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Tested-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

drivers/clk/tegra/clk-id.h

@@ -307,8 +307,11 @@ enum clk_id {
 	tegra_clk_xusb_ssp_src,
 	tegra_clk_sclk_mux,
 	tegra_clk_sor_safe,
-	tegra_clk_ispa,
 	tegra_clk_cec,
+	tegra_clk_ispa,
+	tegra_clk_dmic1,
+	tegra_clk_dmic2,
+	tegra_clk_dmic3,
 	tegra_clk_dmic1_sync_clk,
 	tegra_clk_dmic2_sync_clk,
 	tegra_clk_dmic3_sync_clk,

drivers/clk/tegra/clk-tegra-periph.c

@@ -138,6 +138,9 @@
 #define CLK_SOURCE_TSECB 0x6d8
 #define CLK_SOURCE_MAUD 0x6d4
 #define CLK_SOURCE_USB2_HSIC_TRK 0x6cc
+#define CLK_SOURCE_DMIC1 0x64c
+#define CLK_SOURCE_DMIC2 0x650
+#define CLK_SOURCE_DMIC3 0x6bc
 
 #define MASK(x) (BIT(x) - 1)
 
@@ -625,6 +628,21 @@ static const char *mux_clkm_plldp_sor0lvds[] = {
 };
 #define mux_clkm_plldp_sor0lvds_idx NULL
 
+static const char * const mux_dmic1[] = {
+	"pll_a_out0", "dmic1_sync_clk", "pll_p", "clk_m"
+};
+#define mux_dmic1_idx NULL
+
+static const char * const mux_dmic2[] = {
+	"pll_a_out0", "dmic2_sync_clk", "pll_p", "clk_m"
+};
+#define mux_dmic2_idx NULL
+
+static const char * const mux_dmic3[] = {
+	"pll_a_out0", "dmic3_sync_clk", "pll_p", "clk_m"
+};
+#define mux_dmic3_idx NULL
+
 static struct tegra_periph_init_data periph_clks[] = {
 	AUDIO("d_audio", CLK_SOURCE_D_AUDIO, 106, TEGRA_PERIPH_ON_APB, tegra_clk_d_audio),
 	AUDIO("dam0", CLK_SOURCE_DAM0, 108, TEGRA_PERIPH_ON_APB, tegra_clk_dam0),
@@ -794,6 +812,9 @@ static struct tegra_periph_init_data periph_clks[] = {
 	MUX("uartape", mux_pllp_pllc_clkm, CLK_SOURCE_UARTAPE, 212, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, tegra_clk_uartape),
 	MUX8("tsecb", mux_pllp_pllc2_c_c3_clkm, CLK_SOURCE_TSECB, 206, 0, tegra_clk_tsecb),
 	MUX8("maud", mux_pllp_pllp_out3_clkm_clk32k_plla, CLK_SOURCE_MAUD, 202, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, tegra_clk_maud),
+	MUX8("dmic1", mux_dmic1, CLK_SOURCE_DMIC1, 161, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, tegra_clk_dmic1),
+	MUX8("dmic2", mux_dmic2, CLK_SOURCE_DMIC2, 162, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, tegra_clk_dmic2),
+	MUX8("dmic3", mux_dmic3, CLK_SOURCE_DMIC3, 197, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, tegra_clk_dmic3),
 };
 
 static struct tegra_periph_init_data gate_clks[] = {

drivers/clk/tegra/clk-tegra210.c

@@ -2223,6 +2223,9 @@ static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = {
 	[tegra_clk_pll_a1] = { .dt_id = TEGRA210_CLK_PLL_A1, .present = true },
 	[tegra_clk_ispa] = { .dt_id = TEGRA210_CLK_ISPA, .present = true },
 	[tegra_clk_cec] = { .dt_id = TEGRA210_CLK_CEC, .present = true },
+	[tegra_clk_dmic1] = { .dt_id = TEGRA210_CLK_DMIC1, .present = true },
+	[tegra_clk_dmic2] = { .dt_id = TEGRA210_CLK_DMIC2, .present = true },
+	[tegra_clk_dmic3] = { .dt_id = TEGRA210_CLK_DMIC3, .present = true },
 	[tegra_clk_dmic1_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK, .present = true },
 	[tegra_clk_dmic2_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK, .present = true },
 	[tegra_clk_dmic3_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK, .present = true },