clk: meson: axg: add hifi pll clock

Add the hifi pll to the axg clock controller. This clock maybe used as an
input of the axg audio clock controller. It uses the same settings table
as the gp0 pll but has a frac parameter allowing more precision.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>

diff --git a/drivers/clk/meson/axg.c b/drivers/clk/meson/axg.c
index 892572a2d70f8e66adf90c5000b9fdbb02d55e50..ed4a645753c490732f945267231607219ef2c78a 100644 (file)
--- a/drivers/clk/meson/axg.c
+++ b/drivers/clk/meson/axg.c
@@ -245,6 +245,59 @@ static struct clk_regmap axg_gp0_pll = {
        },
 };
 
+const struct reg_sequence axg_hifi_init_regs[] = {
+       { .reg = HHI_HIFI_PLL_CNTL1,    .def = 0xc084b000 },
+       { .reg = HHI_HIFI_PLL_CNTL2,    .def = 0xb75020be },
+       { .reg = HHI_HIFI_PLL_CNTL3,    .def = 0x0a6a3a88 },
+       { .reg = HHI_HIFI_PLL_CNTL4,    .def = 0xc000004d },
+       { .reg = HHI_HIFI_PLL_CNTL5,    .def = 0x00058000 },
+       { .reg = HHI_HIFI_PLL_CNTL,     .def = 0x40010250 },
+};
+
+static struct clk_regmap axg_hifi_pll = {
+       .data = &(struct meson_clk_pll_data){
+               .m = {
+                       .reg_off = HHI_HIFI_PLL_CNTL,
+                       .shift   = 0,
+                       .width   = 9,
+               },
+               .n = {
+                       .reg_off = HHI_HIFI_PLL_CNTL,
+                       .shift   = 9,
+                       .width   = 5,
+               },
+               .od = {
+                       .reg_off = HHI_HIFI_PLL_CNTL,
+                       .shift   = 16,
+                       .width   = 2,
+               },
+               .frac = {
+                       .reg_off = HHI_HIFI_PLL_CNTL5,
+                       .shift   = 0,
+                       .width   = 13,
+               },
+               .l = {
+                       .reg_off = HHI_HIFI_PLL_CNTL,
+                       .shift   = 31,
+                       .width   = 1,
+               },
+               .rst = {
+                       .reg_off = HHI_HIFI_PLL_CNTL,
+                       .shift   = 29,
+                       .width   = 1,
+               },
+               .table = axg_gp0_pll_rate_table,
+               .init_regs = axg_hifi_init_regs,
+               .init_count = ARRAY_SIZE(axg_hifi_init_regs),
+               .flags = CLK_MESON_PLL_ROUND_CLOSEST,
+       },
+       .hw.init = &(struct clk_init_data){
+               .name = "hifi_pll",
+               .ops = &meson_clk_pll_ops,
+               .parent_names = (const char *[]){ "xtal" },
+               .num_parents = 1,
+       },
+};
 
 static struct clk_fixed_factor axg_fclk_div2 = {
        .mult = 1,
@@ -767,6 +820,7 @@ static struct clk_hw_onecell_data axg_hw_onecell_data = {
                [CLKID_MPLL1_DIV]               = &axg_mpll1_div.hw,
                [CLKID_MPLL2_DIV]               = &axg_mpll2_div.hw,
                [CLKID_MPLL3_DIV]               = &axg_mpll3_div.hw,
+               [CLKID_HIFI_PLL]                = &axg_hifi_pll.hw,
                [NR_CLKS]                       = NULL,
        },
        .num = NR_CLKS,
@@ -838,6 +892,7 @@ static struct clk_regmap *const axg_clk_regmaps[] = {
        &axg_fixed_pll,
        &axg_sys_pll,
        &axg_gp0_pll,
+       &axg_hifi_pll,
 };
 
 static const struct of_device_id clkc_match_table[] = {

diff --git a/drivers/clk/meson/axg.h b/drivers/clk/meson/axg.h
index 4c1502a8b8c9ef7c20b7088f9c60bcc823e396e5..4916c7045c488a5bf5e06dd6ab1222f31034c107 100644 (file)
--- a/drivers/clk/meson/axg.h
+++ b/drivers/clk/meson/axg.h
@@ -122,7 +122,7 @@
 #define CLKID_MPLL2_DIV                                67
 #define CLKID_MPLL3_DIV                                68
 
-#define NR_CLKS                                        69
+#define NR_CLKS                                        70
 
 /* include the CLKIDs that have been made part of the DT binding */
 #include <dt-bindings/clock/axg-clkc.h>