[PATCH 6.12.y-cip 02/19] clk: renesas: r9a08g046: Add RSCI clocks and resets
Biju <[email protected]> Sat, 1 Aug 2026 10:14:33 +0100
| Newsgroups | org.cip-project.lists.cip-dev |
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From: Biju Das <[email protected]> [ Upstream commit 9bec6a9dc213aa0134d672f70d6afa363f4b3c88 ] Add clock and reset entries for the Serial Communications Interfaces (RSCI) found on the RZ/G3L SoC. This includes various dividers and mux clocks needed for the four RSCI channels. Signed-off-by: Biju Das <[email protected]> Reviewed-by: Geert Uytterhoeven <[email protected]> Link: https://patch.msgid.link/[email protected] Signed-off-by: Geert Uytterhoeven <[email protected]> Signed-off-by: Biju Das <[email protected]> --- drivers/clk/renesas/r9a08g046-cpg.c | 71 +++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) diff --git a/drivers/clk/renesas/r9a08g046-cpg.c b/drivers/clk/renesas/r9a08g046-cpg.c index 0004b9516fdf..0cb681358642 100644 --- a/drivers/clk/renesas/r9a08g046-cpg.c +++ b/drivers/clk/renesas/r9a08g046-cpg.c @@ -18,8 +18,10 @@ #define G3L_CPG_PL2_DDIV (0x204) #define G3L_CPG_PL3_DDIV (0x208) #define G3L_CPG_CA55CORE_DDIV (0x234) +#define G3L_CPG_RSCI_DDIV (0x238) #define G3L_CLKDIVSTATUS (0x280) #define G3L_CPG_ETH_SSEL (0x410) +#define G3L_CPG_RSCI_SSEL (0x414) #define G3L_CPG_ETH_SDIV (0x434) /* RZ/G3L Specific division configuration. */ @@ -30,6 +32,10 @@ #define G3L_DIV_CA55_CORE1 DDIV_PACK(G3L_CPG_CA55CORE_DDIV, 4, 3) #define G3L_DIV_CA55_CORE2 DDIV_PACK(G3L_CPG_CA55CORE_DDIV, 8, 3) #define G3L_DIV_CA55_CORE3 DDIV_PACK(G3L_CPG_CA55CORE_DDIV, 12, 3) +#define G3L_DIV_RSCI0 DDIV_PACK(G3L_CPG_RSCI_DDIV, 0, 2) +#define G3L_DIV_RSCI1 DDIV_PACK(G3L_CPG_RSCI_DDIV, 2, 2) +#define G3L_DIV_RSCI2 DDIV_PACK(G3L_CPG_RSCI_DDIV, 4, 2) +#define G3L_DIV_RSCI3 DDIV_PACK(G3L_CPG_RSCI_DDIV, 6, 2) #define G3L_SDIV_ETH_A DDIV_PACK(G3L_CPG_ETH_SDIV, 0, 2) #define G3L_SDIV_ETH_B DDIV_PACK(G3L_CPG_ETH_SDIV, 4, 1) #define G3L_SDIV_ETH_C DDIV_PACK(G3L_CPG_ETH_SDIV, 8, 2) @@ -43,6 +49,10 @@ #define G3L_DIV_CA55_CORE1_STS DDIV_PACK(G3L_CLKDIVSTATUS, 13, 1) #define G3L_DIV_CA55_CORE2_STS DDIV_PACK(G3L_CLKDIVSTATUS, 14, 1) #define G3L_DIV_CA55_CORE3_STS DDIV_PACK(G3L_CLKDIVSTATUS, 15, 1) +#define G3L_DIV_RSCI0_STS DDIV_PACK(G3L_CLKDIVSTATUS, 16, 1) +#define G3L_DIV_RSCI1_STS DDIV_PACK(G3L_CLKDIVSTATUS, 17, 1) +#define G3L_DIV_RSCI2_STS DDIV_PACK(G3L_CLKDIVSTATUS, 18, 1) +#define G3L_DIV_RSCI3_STS DDIV_PACK(G3L_CLKDIVSTATUS, 19, 1) /* RZ/G3L Specific clocks select. */ #define G3L_SEL_ETH0_TX SEL_PLL_PACK(G3L_CPG_ETH_SSEL, 0, 1) @@ -55,6 +65,10 @@ #define G3L_SEL_ETH1_RM SEL_PLL_PACK(G3L_CPG_ETH_SSEL, 10, 1) #define G3L_SEL_ETH1_CLK_TX_I SEL_PLL_PACK(G3L_CPG_ETH_SSEL, 11, 1) #define G3L_SEL_ETH1_CLK_RX_I SEL_PLL_PACK(G3L_CPG_ETH_SSEL, 12, 1) +#define G3L_SEL_RSCI0 SEL_PLL_PACK(G3L_CPG_RSCI_SSEL, 0, 2) +#define G3L_SEL_RSCI1 SEL_PLL_PACK(G3L_CPG_RSCI_SSEL, 2, 2) +#define G3L_SEL_RSCI2 SEL_PLL_PACK(G3L_CPG_RSCI_SSEL, 4, 2) +#define G3L_SEL_RSCI3 SEL_PLL_PACK(G3L_CPG_RSCI_SSEL, 6, 2) /* PLL 1/4/6/7 configuration registers macro. */ #define G3L_PLL1467_CONF(clk1, clk2, setting) ((clk1) << 22 | (clk2) << 12 | (setting)) @@ -74,6 +88,10 @@ enum clk_ids { CLK_PLL1, CLK_PLL2, CLK_PLL2_DIV2, + CLK_PLL2_DIV2_4, + CLK_PLL2_DIV5, + CLK_PLL2_DIV6, + CLK_PLL2_DIV7, CLK_PLL3, CLK_PLL3_DIV2, CLK_PLL6, @@ -84,6 +102,10 @@ enum clk_ids { CLK_SEL_ETH1_TX, CLK_SEL_ETH1_RX, CLK_SEL_ETH1_RM, + CLK_SEL_RSCI0, + CLK_SEL_RSCI1, + CLK_SEL_RSCI2, + CLK_SEL_RSCI3, CLK_ETH0_TR, CLK_ETH0_RM, CLK_ETH1_TR, @@ -110,6 +132,14 @@ static const struct clk_div_table dtable_2_20[] = { { 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_4_128[] = { { 0, 4 }, { 1, 8 }, @@ -140,6 +170,7 @@ static const char * const sel_eth0_rm[] = { ".pll6_div10", "eth0_rxc_rx_clk" }; static const char * const sel_eth1_tx[] = { ".div_eth1_tr", "eth1_txc_tx_clk" }; static const char * const sel_eth1_rx[] = { ".div_eth1_tr", "eth1_rxc_rx_clk" }; static const char * const sel_eth1_rm[] = { ".pll6_div10", "eth1_rxc_rx_clk" }; +static const char * const sel_rsci_rspi[] = { ".pll2_div5", ".pll2_div6", ".pll2_div7", ".pll2_div2_4" }; static const char * const sel_eth0_clk_tx_i[] = { ".sel_eth0_tx", ".div_eth0_rm" }; static const char * const sel_eth0_clk_rx_i[] = { ".sel_eth0_rx", ".div_eth0_rm" }; static const char * const sel_eth1_clk_tx_i[] = { ".sel_eth1_tx", ".div_eth1_rm" }; @@ -161,8 +192,16 @@ static const struct cpg_core_clk r9a08g046_core_clks[] __initconst = { DEF_G3L_PLL(".pll6", CLK_PLL6, CLK_EXTAL, G3L_PLL1467_CONF(0x54, 0x58, 0), 500000000UL), DEF_FIXED(".pll2_div2", CLK_PLL2_DIV2, CLK_PLL2, 1, 2), + DEF_FIXED(".pll2_div2_4", CLK_PLL2_DIV2_4, CLK_PLL2_DIV2, 1, 4), + DEF_FIXED(".pll2_div5", CLK_PLL2_DIV5, CLK_PLL2, 1, 5), + DEF_FIXED(".pll2_div6", CLK_PLL2_DIV6, CLK_PLL2, 1, 6), + DEF_FIXED(".pll2_div7", CLK_PLL2_DIV7, CLK_PLL2, 1, 7), DEF_FIXED(".pll3_div2", CLK_PLL3_DIV2, CLK_PLL3, 1, 2), DEF_FIXED(".pll6_div10", CLK_PLL6_DIV10, CLK_PLL6, 1, 10), + DEF_MUX(".sel_rsci0", CLK_SEL_RSCI0, G3L_SEL_RSCI0, sel_rsci_rspi), + DEF_MUX(".sel_rsci1", CLK_SEL_RSCI1, G3L_SEL_RSCI1, sel_rsci_rspi), + DEF_MUX(".sel_rsci2", CLK_SEL_RSCI2, G3L_SEL_RSCI2, sel_rsci_rspi), + DEF_MUX(".sel_rsci3", CLK_SEL_RSCI3, G3L_SEL_RSCI3, sel_rsci_rspi), DEF_MUX(".sel_eth0_tx", CLK_SEL_ETH0_TX, G3L_SEL_ETH0_TX, sel_eth0_tx), DEF_MUX(".sel_eth0_rx", CLK_SEL_ETH0_RX, G3L_SEL_ETH0_RX, sel_eth0_rx), DEF_MUX(".sel_eth0_rm", CLK_SEL_ETH0_RM, G3L_SEL_ETH0_RM, sel_eth0_rm), @@ -189,6 +228,14 @@ static const struct cpg_core_clk r9a08g046_core_clks[] __initconst = { dtable_4_128, 0, 0, 0, NULL), DEF_G3S_DIV("P3", R9A08G046_CLK_P3, CLK_PLL2_DIV2, G3L_DIVPL2A, G3L_DIVPL2A_STS, dtable_4_128, 0, 0, 0, NULL), + DEF_G3S_DIV("P13", R9A08G046_CLK_P13, CLK_SEL_RSCI0, G3L_DIV_RSCI0, G3L_DIV_RSCI0_STS, + dtable_2_16, 0, 100000000UL, 0, NULL), + DEF_G3S_DIV("P14", R9A08G046_CLK_P14, CLK_SEL_RSCI1, G3L_DIV_RSCI1, G3L_DIV_RSCI1_STS, + dtable_2_16, 0, 100000000UL, 0, NULL), + DEF_G3S_DIV("P15", R9A08G046_CLK_P15, CLK_SEL_RSCI2, G3L_DIV_RSCI2, G3L_DIV_RSCI2_STS, + dtable_2_16, 0, 100000000UL, 0, NULL), + DEF_G3S_DIV("P16", R9A08G046_CLK_P16, CLK_SEL_RSCI3, G3L_DIV_RSCI3, G3L_DIV_RSCI3_STS, + dtable_2_16, 0, 100000000UL, 0, NULL), DEF_FIXED("HP", R9A08G046_CLK_HP, CLK_PLL6_DIV10, 1, 1), DEF_MUX_FLAGS("ETHTX01", R9A08G046_CLK_ETHTX01, G3L_SEL_ETH0_CLK_TX_I, sel_eth0_clk_tx_i, CLK_SET_RATE_PARENT), @@ -284,6 +331,22 @@ static const struct rzg2l_mod_clk r9a08g046_mod_clks[] = { MSTOP(BUS_MCPU3, BIT(4))), DEF_MOD("gpio_hclk", R9A08G046_GPIO_HCLK, R9A08G046_OSCCLK, 0x598, 0, MSTOP(BUS_PERI_CPU, BIT(6))), + DEF_MOD("rsci0_pclk", R9A08G046_RSCI0_PCLK, R9A08G046_CLK_P0, 0x618, 0, + MSTOP(BUS_MCPU2, BIT(7))), + DEF_MOD("rsci1_pclk", R9A08G046_RSCI1_PCLK, R9A08G046_CLK_P0, 0x618, 1, + MSTOP(BUS_MCPU2, BIT(8))), + DEF_MOD("rsci2_pclk", R9A08G046_RSCI2_PCLK, R9A08G046_CLK_P0, 0x618, 2, + MSTOP(BUS_MCPU3, BIT(11))), + DEF_MOD("rsci3_pclk", R9A08G046_RSCI3_PCLK, R9A08G046_CLK_P0, 0x618, 3, + MSTOP(BUS_MCPU3, BIT(12))), + DEF_MOD("rsci0_tclk", R9A08G046_RSCI0_TCLK, R9A08G046_CLK_P13, 0x618, 8, + MSTOP(BUS_MCPU2, BIT(7))), + DEF_MOD("rsci1_tclk", R9A08G046_RSCI1_TCLK, R9A08G046_CLK_P14, 0x618, 9, + MSTOP(BUS_MCPU2, BIT(8))), + DEF_MOD("rsci2_tclk", R9A08G046_RSCI2_TCLK, R9A08G046_CLK_P15, 0x618, 10, + MSTOP(BUS_MCPU3, BIT(11))), + DEF_MOD("rsci3_tclk", R9A08G046_RSCI3_TCLK, R9A08G046_CLK_P16, 0x618, 11, + MSTOP(BUS_MCPU3, BIT(12))), }; static const struct rzg2l_reset r9a08g046_resets[] = { @@ -308,6 +371,14 @@ static const struct rzg2l_reset r9a08g046_resets[] = { DEF_RST(R9A08G046_GPIO_RSTN, 0x898, 0), DEF_RST(R9A08G046_GPIO_PORT_RESETN, 0x898, 1), DEF_RST(R9A08G046_GPIO_SPARE_RESETN, 0x898, 2), + DEF_RST(R9A08G046_RSCI0_PRESETN, 0x918, 0), + DEF_RST(R9A08G046_RSCI1_PRESETN, 0x918, 1), + DEF_RST(R9A08G046_RSCI2_PRESETN, 0x918, 2), + DEF_RST(R9A08G046_RSCI3_PRESETN, 0x918, 3), + DEF_RST(R9A08G046_RSCI0_TRESETN, 0x918, 8), + DEF_RST(R9A08G046_RSCI1_TRESETN, 0x918, 9), + DEF_RST(R9A08G046_RSCI2_TRESETN, 0x918, 10), + DEF_RST(R9A08G046_RSCI3_TRESETN, 0x918, 11), }; static const unsigned int r9a08g046_crit_mod_clks[] __initconst = { -- 2.43.0