diff mbox series

[2/4] clk: renesas: r9a07g043: Add ethernet clock sources

Message ID 20220315154649.22343-3-biju.das.jz@bp.renesas.com (mailing list archive)
State Awaiting Upstream, archived
Headers show
Series Add GPIO,ETHERNET and SDHI Clock/Reset entries for RZ/G2UL | expand

Commit Message

Biju Das March 15, 2022, 3:46 p.m. UTC 
Ethernet reference clock can be sourced from PLL5_500 or PLL6. Add
support for ethernet source clock selection using SEL_PLL_6_2 mux.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
 drivers/clk/renesas/r9a07g043-cpg.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

Comments

Geert Uytterhoeven March 31, 2022, 11:40 a.m. UTC | #1 
On Tue, Mar 15, 2022 at 4:47 PM Biju Das <biju.das.jz@bp.renesas.com> wrote:
> Ethernet reference clock can be sourced from PLL5_500 or PLL6. Add
> support for ethernet source clock selection using SEL_PLL_6_2 mux.
>
> Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
diff mbox series

Patch

diff --git a/drivers/clk/renesas/r9a07g043-cpg.c b/drivers/clk/renesas/r9a07g043-cpg.c
index 50e3f8874ee1..ebd3edbb792d 100644
--- a/drivers/clk/renesas/r9a07g043-cpg.c
+++ b/drivers/clk/renesas/r9a07g043-cpg.c
@@ -32,7 +32,10 @@  enum clk_ids {
 	CLK_PLL3_DIV2_4,
 	CLK_PLL3_DIV2_4_2,
 	CLK_PLL5,
+	CLK_PLL5_500,
+	CLK_PLL5_250,
 	CLK_PLL6,
+	CLK_PLL6_250,
 	CLK_P1_DIV2,
 
 	/* Module Clocks */
@@ -57,6 +60,9 @@  static const struct clk_div_table dtable_1_32[] = {
 	{0, 0},
 };
 
+/* Mux clock tables */
+static const char * const sel_pll6_2[]	= { ".pll6_250", ".pll5_250" };
+
 static const struct cpg_core_clk r9a07g043_core_clks[] __initconst = {
 	/* External Clock Inputs */
 	DEF_INPUT("extal", CLK_EXTAL),
@@ -73,7 +79,10 @@  static const struct cpg_core_clk r9a07g043_core_clks[] __initconst = {
 	DEF_FIXED(".pll3_div2_4", CLK_PLL3_DIV2_4, CLK_PLL3_DIV2, 1, 4),
 	DEF_FIXED(".pll3_div2_4_2", CLK_PLL3_DIV2_4_2, CLK_PLL3_DIV2_4, 1, 2),
 	DEF_FIXED(".pll5", CLK_PLL5, CLK_EXTAL, 125, 1),
+	DEF_FIXED(".pll5_500", CLK_PLL5_500, CLK_PLL5, 1, 6),
+	DEF_FIXED(".pll5_250", CLK_PLL5_250, CLK_PLL5_500, 1, 2),
 	DEF_FIXED(".pll6", CLK_PLL6, CLK_EXTAL, 125, 6),
+	DEF_FIXED(".pll6_250", CLK_PLL6_250, CLK_PLL6, 1, 2),
 
 	/* Core output clk */
 	DEF_DIV("I", R9A07G043_CLK_I, CLK_PLL1, DIVPL1A, dtable_1_8,
@@ -85,6 +94,10 @@  static const struct cpg_core_clk r9a07g043_core_clks[] __initconst = {
 	DEF_FIXED("P1_DIV2", CLK_P1_DIV2, R9A07G043_CLK_P1, 1, 2),
 	DEF_DIV("P2", R9A07G043_CLK_P2, CLK_PLL3_DIV2_4_2,
 		DIVPL3A, dtable_1_32, CLK_DIVIDER_HIWORD_MASK),
+	DEF_FIXED("M0", R9A07G043_CLK_M0, CLK_PLL3_DIV2_4, 1, 1),
+	DEF_FIXED("ZT", R9A07G043_CLK_ZT, CLK_PLL3_DIV2_4_2, 1, 1),
+	DEF_MUX("HP", R9A07G043_CLK_HP, SEL_PLL6_2,
+		sel_pll6_2, ARRAY_SIZE(sel_pll6_2), 0, CLK_MUX_HIWORD_MASK),
 };
 
 static struct rzg2l_mod_clk r9a07g043_mod_clks[] = {