diff options
| author | Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> | 2025-06-27 21:42:33 +0100 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2025-07-02 20:53:35 +0200 |
| commit | 2a4c0e785a30debcdaf34f31ff4c1d3c35bbfad8 (patch) | |
| tree | cd1c22ffc71528583723817a5edc101848b382d8 | |
| parent | 15bf4a46174aa4aff346d17f28821cb9cb6f0034 (diff) | |
clk: renesas: r9a09g056: Add support for xspi mux and divider
The mux smux2_xspi_clk{0,1} used for selecting spi and spix2 clocks and
pllcm33_xspi divider to select different clock rates. Add support for
both.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250627204237.214635-3-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
| -rw-r--r-- | drivers/clk/renesas/r9a09g056-cpg.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/clk/renesas/r9a09g056-cpg.c b/drivers/clk/renesas/r9a09g056-cpg.c index e370ffb8c1e2..040acd4ae5dd 100644 --- a/drivers/clk/renesas/r9a09g056-cpg.c +++ b/drivers/clk/renesas/r9a09g056-cpg.c @@ -16,7 +16,7 @@ enum clk_ids { /* Core Clock Outputs exported to DT */ - LAST_DT_CORE_CLK = R9A09G056_GBETH_1_CLK_PTP_REF_I, + LAST_DT_CORE_CLK = R9A09G056_SPI_CLK_SPI, /* External Input Clocks */ CLK_AUDIO_EXTAL, @@ -32,7 +32,13 @@ enum clk_ids { CLK_PLLGPU, /* Internal Core Clocks */ + CLK_PLLCM33_DIV3, + CLK_PLLCM33_DIV4, + CLK_PLLCM33_DIV5, CLK_PLLCM33_DIV16, + CLK_SMUX2_XSPI_CLK0, + CLK_SMUX2_XSPI_CLK1, + CLK_PLLCM33_XSPI, CLK_PLLCLN_DIV2, CLK_PLLCLN_DIV8, CLK_PLLCLN_DIV16, @@ -62,6 +68,14 @@ static const struct clk_div_table dtable_1_8[] = { {0, 0}, }; +static const struct clk_div_table dtable_2_16[] = { + {0, 2}, + {1, 4}, + {2, 8}, + {3, 16}, + {0, 0}, +}; + static const struct clk_div_table dtable_2_64[] = { {0, 2}, {1, 4}, @@ -83,6 +97,8 @@ static const char * const smux2_gbe0_rxclk[] = { ".plleth_gbe0", "et0_rxclk" }; static const char * const smux2_gbe0_txclk[] = { ".plleth_gbe0", "et0_txclk" }; static const char * const smux2_gbe1_rxclk[] = { ".plleth_gbe1", "et1_rxclk" }; static const char * const smux2_gbe1_txclk[] = { ".plleth_gbe1", "et1_txclk" }; +static const char * const smux2_xspi_clk0[] = { ".pllcm33_div3", ".pllcm33_div4" }; +static const char * const smux2_xspi_clk1[] = { ".smux2_xspi_clk0", ".pllcm33_div5" }; static const struct cpg_core_clk r9a09g056_core_clks[] __initconst = { /* External Clock Inputs */ @@ -99,7 +115,14 @@ static const struct cpg_core_clk r9a09g056_core_clks[] __initconst = { DEF_PLL(".pllgpu", CLK_PLLGPU, CLK_QEXTAL, PLLGPU), /* Internal Core Clocks */ + DEF_FIXED(".pllcm33_div3", CLK_PLLCM33_DIV3, CLK_PLLCM33, 1, 3), + DEF_FIXED(".pllcm33_div4", CLK_PLLCM33_DIV4, CLK_PLLCM33, 1, 4), + DEF_FIXED(".pllcm33_div5", CLK_PLLCM33_DIV5, CLK_PLLCM33, 1, 5), DEF_FIXED(".pllcm33_div16", CLK_PLLCM33_DIV16, CLK_PLLCM33, 1, 16), + DEF_SMUX(".smux2_xspi_clk0", CLK_SMUX2_XSPI_CLK0, SSEL1_SELCTL2, smux2_xspi_clk0), + DEF_SMUX(".smux2_xspi_clk1", CLK_SMUX2_XSPI_CLK1, SSEL1_SELCTL3, smux2_xspi_clk1), + DEF_CSDIV(".pllcm33_xspi", CLK_PLLCM33_XSPI, CLK_SMUX2_XSPI_CLK1, CSDIV0_DIVCTL3, + dtable_2_16), DEF_FIXED(".pllcln_div2", CLK_PLLCLN_DIV2, CLK_PLLCLN, 1, 2), DEF_FIXED(".pllcln_div8", CLK_PLLCLN_DIV8, CLK_PLLCLN, 1, 8), |