@@ -563,6 +563,13 @@ struct clk * __init rcar_gen3_cpg_clk_register(struct device *dev,
return cpg_z_clk_register(core->name, __clk_get_name(parent),
base, CPG_FRQCRC_Z2FC_MASK);
+ case CLK_TYPE_GEN3_OSC:
+ /*
+ * Clock combining OSC EXTAL predivider and a fixed divider
+ */
+ div = cpg_pll_config->osc_prediv * core->div;
+ break;
+
default:
return ERR_PTR(-EINVAL);
}
@@ -23,6 +23,7 @@ enum rcar_gen3_clk_types {
CLK_TYPE_GEN3_PE,
CLK_TYPE_GEN3_Z,
CLK_TYPE_GEN3_Z2,
+ CLK_TYPE_GEN3_OSC, /* OSC EXTAL predivider and fixed divider */
};
#define DEF_GEN3_SD(_name, _id, _parent, _offset) \
@@ -33,6 +34,8 @@ enum rcar_gen3_clk_types {
DEF_BASE(_name, _id, CLK_TYPE_GEN3_PE, \
(_parent_sscg) << 16 | (_parent_clean), \
.div = (_div_sscg) << 16 | (_div_clean))
+#define DEF_GEN3_OSC(_name, _id, _parent, _div) \
+ DEF_BASE(_name, _id, CLK_TYPE_GEN3_OSC, _parent, .div = _div)
struct rcar_gen3_cpg_pll_config {
u8 extal_div;
@@ -40,6 +43,7 @@ struct rcar_gen3_cpg_pll_config {
u8 pll1_div;
u8 pll3_mult;
u8 pll3_div;
+ u8 osc_prediv;
};
#define CPG_RCKCR 0x240
Add a clock type and macro for defining clocks using the OSC EXTAL predivider combined with a fixed divider. On most R-Car Gen3 SoCs, the predivider value depends on mode pins, and thus must be specified in the configuration structure. Inspired by a patch in the BSP by Takeshi Kihara <takeshi.kihara.df@renesas.com>. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> --- drivers/clk/renesas/rcar-gen3-cpg.c | 7 +++++++ drivers/clk/renesas/rcar-gen3-cpg.h | 4 ++++ 2 files changed, 11 insertions(+)