diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2021-10-06 10:58:34 +0200 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2021-10-08 15:09:17 +0200 |
| commit | 27c9d7635d23416f5e791508882f34157dde23f5 (patch) | |
| tree | 793d2fe6f1e1c8c3a5bac01c6402d9126c859906 /drivers/clk/renesas | |
| parent | clk: renesas: cpg-lib: Move RPC clock registration to the library (diff) | |
| download | linux-27c9d7635d23416f5e791508882f34157dde23f5.tar.xz linux-27c9d7635d23416f5e791508882f34157dde23f5.zip | |
clk: renesas: r8a779a0: Add RPC support
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20211006085836.42155-3-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'drivers/clk/renesas')
| -rw-r--r-- | drivers/clk/renesas/r8a779a0-cpg-mssr.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/clk/renesas/r8a779a0-cpg-mssr.c b/drivers/clk/renesas/r8a779a0-cpg-mssr.c index 1ced31b6dbe8..fbd7454f2beb 100644 --- a/drivers/clk/renesas/r8a779a0-cpg-mssr.c +++ b/drivers/clk/renesas/r8a779a0-cpg-mssr.c @@ -37,6 +37,9 @@ enum rcar_r8a779a0_clk_types { CLK_TYPE_R8A779A0_SD, CLK_TYPE_R8A779A0_MDSEL, /* Select parent/divider using mode pin */ CLK_TYPE_R8A779A0_OSC, /* OSC EXTAL predivider and fixed divider */ + CLK_TYPE_R8A779A0_RPCSRC, + CLK_TYPE_R8A779A0_RPC, + CLK_TYPE_R8A779A0_RPCD2, }; struct rcar_r8a779a0_cpg_pll_config { @@ -125,6 +128,10 @@ static const struct cpg_core_clk r8a779a0_core_clks[] __initconst = { DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 4, 1), DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL5_DIV4, 1, 1), DEF_RATE(".oco", CLK_OCO, 32768), + DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_R8A779A0_RPCSRC, CLK_PLL5), + DEF_BASE("rpc", R8A779A0_CLK_RPC, CLK_TYPE_R8A779A0_RPC, CLK_RPCSRC), + DEF_BASE("rpcd2", R8A779A0_CLK_RPCD2, CLK_TYPE_R8A779A0_RPCD2, + R8A779A0_CLK_RPC), /* Core Clock Outputs */ DEF_Z("z0", R8A779A0_CLK_Z0, CLK_PLL20, 2, 0), @@ -200,6 +207,7 @@ static const struct mssr_mod_clk r8a779a0_mod_clks[] __initconst = { DEF_MOD("msi3", 621, R8A779A0_CLK_MSO), DEF_MOD("msi4", 622, R8A779A0_CLK_MSO), DEF_MOD("msi5", 623, R8A779A0_CLK_MSO), + DEF_MOD("rpc-if", 629, R8A779A0_CLK_RPCD2), DEF_MOD("scif0", 702, R8A779A0_CLK_S1D8), DEF_MOD("scif1", 703, R8A779A0_CLK_S1D8), DEF_MOD("scif3", 704, R8A779A0_CLK_S1D8), @@ -414,6 +422,15 @@ static struct clk * __init cpg_z_clk_register(const char *name, return clk; } +/* + * RPC Clocks + */ +#define CPG_RPCCKCR 0x874 + +static const struct clk_div_table cpg_rpcsrc_div_table[] = { + { 0, 4 }, { 1, 6 }, { 2, 5 }, { 3, 6 }, { 0, 0 }, +}; + static struct clk * __init rcar_r8a779a0_cpg_clk_register(struct device *dev, const struct cpg_core_clk *core, const struct cpg_mssr_info *info, struct clk **clks, void __iomem *base, @@ -481,6 +498,21 @@ static struct clk * __init rcar_r8a779a0_cpg_clk_register(struct device *dev, div = cpg_pll_config->osc_prediv * core->div; break; + case CLK_TYPE_R8A779A0_RPCSRC: + return clk_register_divider_table(NULL, core->name, + __clk_get_name(parent), 0, + base + CPG_RPCCKCR, 3, 2, 0, + cpg_rpcsrc_div_table, + &cpg_lock); + + case CLK_TYPE_R8A779A0_RPC: + return cpg_rpc_clk_register(core->name, base + CPG_RPCCKCR, + __clk_get_name(parent), notifiers); + + case CLK_TYPE_R8A779A0_RPCD2: + return cpg_rpcd2_clk_register(core->name, base + CPG_RPCCKCR, + __clk_get_name(parent)); + default: return ERR_PTR(-EINVAL); } |