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path: root/drivers/clk/meson/axg.c
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Diffstat (limited to 'drivers/clk/meson/axg.c')
-rw-r--r--drivers/clk/meson/axg.c64
1 files changed, 63 insertions, 1 deletions
diff --git a/drivers/clk/meson/axg.c b/drivers/clk/meson/axg.c
index 2d458092884a..00ce62ad6416 100644
--- a/drivers/clk/meson/axg.c
+++ b/drivers/clk/meson/axg.c
@@ -909,6 +909,63 @@ static struct clk_regmap axg_sd_emmc_c_clk0 = {
},
};
+static u32 mux_table_gen_clk[] = { 0, 4, 5, 6, 7, 8,
+ 9, 10, 11, 13, 14, };
+static const char * const gen_clk_parent_names[] = {
+ "xtal", "hifi_pll", "mpll0", "mpll1", "mpll2", "mpll3",
+ "fclk_div4", "fclk_div3", "fclk_div5", "fclk_div7", "gp0_pll",
+};
+
+static struct clk_regmap axg_gen_clk_sel = {
+ .data = &(struct clk_regmap_mux_data){
+ .offset = HHI_GEN_CLK_CNTL,
+ .mask = 0xf,
+ .shift = 12,
+ .table = mux_table_gen_clk,
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "gen_clk_sel",
+ .ops = &clk_regmap_mux_ops,
+ /*
+ * bits 15:12 selects from 14 possible parents:
+ * xtal, [rtc_oscin_i], [sys_cpu_div16], [ddr_dpll_pt],
+ * hifi_pll, mpll0, mpll1, mpll2, mpll3, fdiv4,
+ * fdiv3, fdiv5, [cts_msr_clk], fdiv7, gp0_pll
+ */
+ .parent_names = gen_clk_parent_names,
+ .num_parents = ARRAY_SIZE(gen_clk_parent_names),
+ },
+};
+
+static struct clk_regmap axg_gen_clk_div = {
+ .data = &(struct clk_regmap_div_data){
+ .offset = HHI_GEN_CLK_CNTL,
+ .shift = 0,
+ .width = 11,
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "gen_clk_div",
+ .ops = &clk_regmap_divider_ops,
+ .parent_names = (const char *[]){ "gen_clk_sel" },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static struct clk_regmap axg_gen_clk = {
+ .data = &(struct clk_regmap_gate_data){
+ .offset = HHI_GEN_CLK_CNTL,
+ .bit_idx = 7,
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "gen_clk",
+ .ops = &clk_regmap_gate_ops,
+ .parent_names = (const char *[]){ "gen_clk_div" },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
/* Everything Else (EE) domain gates */
static MESON_GATE(axg_ddr, HHI_GCLK_MPEG0, 0);
static MESON_GATE(axg_audio_locker, HHI_GCLK_MPEG0, 2);
@@ -1047,7 +1104,9 @@ static struct clk_hw_onecell_data axg_hw_onecell_data = {
[CLKID_PCIE_CML_EN0] = &axg_pcie_cml_en0.hw,
[CLKID_PCIE_CML_EN1] = &axg_pcie_cml_en1.hw,
[CLKID_MIPI_ENABLE] = &axg_mipi_enable.hw,
-
+ [CLKID_GEN_CLK_SEL] = &axg_gen_clk_sel.hw,
+ [CLKID_GEN_CLK_DIV] = &axg_gen_clk_div.hw,
+ [CLKID_GEN_CLK] = &axg_gen_clk.hw,
[NR_CLKS] = NULL,
},
.num = NR_CLKS,
@@ -1132,6 +1191,9 @@ static struct clk_regmap *const axg_clk_regmaps[] = {
&axg_pcie_cml_en0,
&axg_pcie_cml_en1,
&axg_mipi_enable,
+ &axg_gen_clk_sel,
+ &axg_gen_clk_div,
+ &axg_gen_clk,
};
static const struct of_device_id clkc_match_table[] = {