Add CRG driver for Hi3798MV100 SoC. CRG (Clock and Reset Generator) module generates clock and reset signals used by other module blocks on SoC. Signed-off-by: David Yang <mmyangfl@xxxxxxxxx> --- drivers/clk/hisilicon/crg-hi3798.c | 197 +++++++++++++++++++++++++++-- 1 file changed, 183 insertions(+), 14 deletions(-) diff --git a/drivers/clk/hisilicon/crg-hi3798.c b/drivers/clk/hisilicon/crg-hi3798.c index 8a6e978f3..ad10b3bb5 100644 --- a/drivers/clk/hisilicon/crg-hi3798.c +++ b/drivers/clk/hisilicon/crg-hi3798.c @@ -41,6 +41,7 @@ #define HI3798_FIXED_3M 87 #define HI3798_FIXED_15M 88 #define HI3798_FIXED_83P3M 89 +#define HI3798_ETH_MUX 90 #define HI3798_CRG_NR_CLKS 128 @@ -181,6 +182,182 @@ static void hi3798_sysctrl_clk_unregister( hisi_clk_unregister_gate(clks->gate_clks, clks->gate_clks_nums, crg->clk_data); } +/* hi3798MV100 */ + +static const char *const hi3798mv100_mmc_mux_p[] = { + "75m", "100m", "50m", "15m" }; +static u32 hi3798mv100_mmc_mux_table[] = {0, 1, 2, 3}; + +static const char *const hi3798mv100_eth_mux_p[] = { + "83p3m" }; +static u32 hi3798mv100_eth_mux_table[] = {2}; + +static struct hisi_mux_clock hi3798mv100_mux_clks[] = { + { HI3798_MMC_MUX, "mmc_mux", hi3798mv100_mmc_mux_p, + ARRAY_SIZE(hi3798mv100_mmc_mux_p), CLK_SET_RATE_PARENT, + 0xa0, 8, 2, 0, hi3798mv100_mmc_mux_table, }, + { HI3798_SDIO0_MUX, "sdio0_mux", hi3798mv100_mmc_mux_p, + ARRAY_SIZE(hi3798mv100_mmc_mux_p), CLK_SET_RATE_PARENT, + 0x9c, 8, 2, 0, hi3798mv100_mmc_mux_table, }, + { HI3798_ETH_MUX, "eth_mux", hi3798mv100_eth_mux_p, + ARRAY_SIZE(hi3798mv100_eth_mux_p), CLK_SET_RATE_PARENT, + 0xcc, 2, 2, 0, hi3798mv100_eth_mux_table, }, +}; + +static u32 mmc_phase_regvals[] = {0, 1, 2, 3, 4, 5, 6, 7}; +static u32 mmc_phase_degrees[] = {0, 45, 90, 135, 180, 225, 270, 315}; + +static struct hisi_phase_clock hi3798mv100_phase_clks[] = { + { HISTB_MMC_SAMPLE_CLK, "mmc_sample", "clk_mmc_ciu", + CLK_SET_RATE_PARENT, 0xa0, 12, 3, mmc_phase_degrees, + mmc_phase_regvals, ARRAY_SIZE(mmc_phase_regvals) }, + { HISTB_MMC_DRV_CLK, "mmc_drive", "clk_mmc_ciu", + CLK_SET_RATE_PARENT, 0xa0, 16, 3, mmc_phase_degrees, + mmc_phase_regvals, ARRAY_SIZE(mmc_phase_regvals) }, +}; + +static const struct hisi_gate_clock hi3798mv100_gate_clks[] = { + /* NAND */ + /* hi3798MV100 NAND driver does not get into mainline yet, + * expose these clocks when it gets ready */ + /* { HISTB_NAND_CLK, "clk_nand", "clk_apb", + CLK_SET_RATE_PARENT, 0x60, 0, 0, }, */ + /* UART */ + { HISTB_UART1_CLK, "clk_uart1", "3m", + CLK_SET_RATE_PARENT, 0x68, 0, 0, }, + { HISTB_UART2_CLK, "clk_uart2", "83p3m", + CLK_SET_RATE_PARENT, 0x68, 4, 0, }, + /* I2C */ + { HISTB_I2C0_CLK, "clk_i2c0", "clk_apb", + CLK_SET_RATE_PARENT, 0x6C, 4, 0, }, + { HISTB_I2C1_CLK, "clk_i2c1", "clk_apb", + CLK_SET_RATE_PARENT, 0x6C, 8, 0, }, + { HISTB_I2C2_CLK, "clk_i2c2", "clk_apb", + CLK_SET_RATE_PARENT, 0x6C, 12, 0, }, + /* SPI */ + { HISTB_SPI0_CLK, "clk_spi0", "clk_apb", + CLK_SET_RATE_PARENT, 0x70, 0, 0, }, + /* SDIO */ + { HISTB_SDIO0_BIU_CLK, "clk_sdio0_biu", "200m", + CLK_SET_RATE_PARENT, 0x9c, 0, 0, }, + { HISTB_SDIO0_CIU_CLK, "clk_sdio0_ciu", "sdio0_mux", + CLK_SET_RATE_PARENT, 0x9c, 1, 0, }, + /* EMMC */ + { HISTB_MMC_BIU_CLK, "clk_mmc_biu", "200m", + CLK_SET_RATE_PARENT, 0xa0, 0, 0, }, + { HISTB_MMC_CIU_CLK, "clk_mmc_ciu", "mmc_mux", + CLK_SET_RATE_PARENT, 0xa0, 1, 0, }, + /* Ethernet */ + /* hi3798MV100 Ethernet driver does not get into mainline yet, + * expose these clocks when it gets ready */ + { HI3798_ETH_BUS_CLK, "clk_bus", NULL, + CLK_SET_RATE_PARENT, 0xcc, 0, 0, }, + { HI3798_ETH_PUB_CLK, "clk_pub", "eth_mux", + CLK_SET_RATE_PARENT, 0xcc, 1, 0, }, + /* USB2 */ + { HISTB_USB2_BUS_CLK, "clk_u2_bus", "clk_ahb", + CLK_SET_RATE_PARENT, 0xb8, 0, 0, }, + { HISTB_USB2_PHY_CLK, "clk_u2_phy", "60m", + CLK_SET_RATE_PARENT, 0xb8, 4, 0, }, + { HISTB_USB2_12M_CLK, "clk_u2_12m", "12m", + CLK_SET_RATE_PARENT, 0xb8, 2, 0 }, + { HISTB_USB2_48M_CLK, "clk_u2_48m", "48m", + CLK_SET_RATE_PARENT, 0xb8, 1, 0 }, + { HISTB_USB2_UTMI_CLK, "clk_u2_utmi", "60m", + CLK_SET_RATE_PARENT, 0xb8, 5, 0 }, + { HISTB_USB2_UTMI_CLK1, "clk_u2_utmi1", "60m", + CLK_SET_RATE_PARENT, 0xb8, 6, 0 }, + { HISTB_USB2_OTG_UTMI_CLK, "clk_u2_otg_utmi", "60m", + CLK_SET_RATE_PARENT, 0xb8, 3, 0 }, + { HISTB_USB2_PHY1_REF_CLK, "clk_u2_phy1_ref", "24m", + CLK_SET_RATE_PARENT, 0xbc, 0, 0 }, + { HISTB_USB2_PHY2_REF_CLK, "clk_u2_phy2_ref", "24m", + CLK_SET_RATE_PARENT, 0xbc, 2, 0 }, + /* USB2 2 */ + { HISTB_USB2_2_BUS_CLK, "clk_u2_2_bus", "clk_ahb", + CLK_SET_RATE_PARENT, 0x198, 0, 0, }, + { HISTB_USB2_2_PHY_CLK, "clk_u2_2_phy", "60m", + CLK_SET_RATE_PARENT, 0x198, 4, 0, }, + { HISTB_USB2_2_12M_CLK, "clk_u2_2_12m", "12m", + CLK_SET_RATE_PARENT, 0x198, 2, 0 }, + { HISTB_USB2_2_48M_CLK, "clk_u2_2_48m", "48m", + CLK_SET_RATE_PARENT, 0x198, 1, 0 }, + { HISTB_USB2_2_UTMI_CLK, "clk_u2_2_utmi", "60m", + CLK_SET_RATE_PARENT, 0x198, 5, 0 }, + { HISTB_USB2_2_UTMI_CLK1, "clk_u2_2_utmi1", "60m", + CLK_SET_RATE_PARENT, 0x198, 6, 0 }, + { HISTB_USB2_2_OTG_UTMI_CLK, "clk_u2_2_otg_utmi", "60m", + CLK_SET_RATE_PARENT, 0x198, 3, 0 }, + { HISTB_USB2_2_PHY1_REF_CLK, "clk_u2_2_phy1_ref", "24m", + CLK_SET_RATE_PARENT, 0x190, 0, 0 }, + { HISTB_USB2_2_PHY2_REF_CLK, "clk_u2_2_phy2_ref", "24m", + CLK_SET_RATE_PARENT, 0x190, 2, 0 }, + /* USB3 */ + { HISTB_USB3_BUS_CLK, "clk_u3_bus", NULL, + CLK_SET_RATE_PARENT, 0xb0, 0, 0 }, + { HISTB_USB3_UTMI_CLK, "clk_u3_utmi", NULL, + CLK_SET_RATE_PARENT, 0xb0, 4, 0 }, + { HISTB_USB3_PIPE_CLK, "clk_u3_pipe", NULL, + CLK_SET_RATE_PARENT, 0xb0, 3, 0 }, + { HISTB_USB3_SUSPEND_CLK, "clk_u3_suspend", NULL, + CLK_SET_RATE_PARENT, 0xb0, 2, 0 }, +}; + +static const struct hi3798_crg_clks hi3798mv100_crg_clks_data = { + .phase_clks = hi3798mv100_phase_clks, + .phase_clks_nums = ARRAY_SIZE(hi3798mv100_phase_clks), + .mux_clks = hi3798mv100_mux_clks, + .mux_clks_nums = ARRAY_SIZE(hi3798mv100_mux_clks), + .gate_clks = hi3798mv100_gate_clks, + .gate_clks_nums = ARRAY_SIZE(hi3798mv100_gate_clks), +}; + +static struct hisi_clock_data *hi3798mv100_clk_register( + struct platform_device *pdev) +{ + return hi3798_clk_register(pdev, &hi3798mv100_crg_clks_data); +} + +static void hi3798mv100_clk_unregister(struct platform_device *pdev) +{ + hi3798_clk_unregister(pdev, &hi3798mv100_crg_clks_data); +} + +static const struct hisi_crg_funcs hi3798mv100_crg_funcs = { + .register_clks = hi3798mv100_clk_register, + .unregister_clks = hi3798mv100_clk_unregister, +}; + +static const struct hisi_gate_clock hi3798mv100_sysctrl_gate_clks[] = { + { HISTB_IR_CLK, "clk_ir", "24m", + CLK_SET_RATE_PARENT, 0x48, 4, 0, }, + { HISTB_TIMER01_CLK, "clk_timer01", "24m", + CLK_SET_RATE_PARENT, 0x48, 6, 0, }, + { HISTB_UART0_CLK, "clk_uart0", "83p3m", + CLK_SET_RATE_PARENT, 0x48, 12, 0, }, +}; + +static const struct hi3798_sysctrl_clks hi3798mv100_sysctrl_clks_data = { + .gate_clks = hi3798mv100_sysctrl_gate_clks, + .gate_clks_nums = ARRAY_SIZE(hi3798mv100_sysctrl_gate_clks), +}; + +static struct hisi_clock_data *hi3798mv100_sysctrl_clk_register( + struct platform_device *pdev) +{ + return hi3798_sysctrl_clk_register(pdev, &hi3798mv100_sysctrl_clks_data); +} + +static void hi3798mv100_sysctrl_clk_unregister(struct platform_device *pdev) +{ + hi3798_sysctrl_clk_unregister(pdev, &hi3798mv100_sysctrl_clks_data); +} + +static const struct hisi_crg_funcs hi3798mv100_sysctrl_funcs = { + .register_clks = hi3798mv100_sysctrl_clk_register, + .unregister_clks = hi3798mv100_sysctrl_clk_unregister, +}; + /* hi3798CV200 */ static const char *const hi3798cv200_mmc_mux_p[] = { @@ -210,18 +387,6 @@ static struct hisi_mux_clock hi3798cv200_mux_clks[] = { 0x9c, 8, 2, 0, hi3798cv200_sdio_mux_table, }, }; -static u32 mmc_phase_regvals[] = {0, 1, 2, 3, 4, 5, 6, 7}; -static u32 mmc_phase_degrees[] = {0, 45, 90, 135, 180, 225, 270, 315}; - -static struct hisi_phase_clock hi3798cv200_phase_clks[] = { - { HISTB_MMC_SAMPLE_CLK, "mmc_sample", "clk_mmc_ciu", - CLK_SET_RATE_PARENT, 0xa0, 12, 3, mmc_phase_degrees, - mmc_phase_regvals, ARRAY_SIZE(mmc_phase_regvals) }, - { HISTB_MMC_DRV_CLK, "mmc_drive", "clk_mmc_ciu", - CLK_SET_RATE_PARENT, 0xa0, 16, 3, mmc_phase_degrees, - mmc_phase_regvals, ARRAY_SIZE(mmc_phase_regvals) }, -}; - static const struct hisi_gate_clock hi3798cv200_gate_clks[] = { /* UART */ { HISTB_UART2_CLK, "clk_uart2", "75m", @@ -319,8 +484,8 @@ static const struct hisi_gate_clock hi3798cv200_gate_clks[] = { }; static const struct hi3798_crg_clks hi3798cv200_crg_clks_data = { - .phase_clks = hi3798cv200_phase_clks, - .phase_clks_nums = ARRAY_SIZE(hi3798cv200_phase_clks), + .phase_clks = hi3798mv100_phase_clks, + .phase_clks_nums = ARRAY_SIZE(hi3798mv100_phase_clks), .mux_clks = hi3798cv200_mux_clks, .mux_clks_nums = ARRAY_SIZE(hi3798cv200_mux_clks), .gate_clks = hi3798cv200_gate_clks, @@ -374,6 +539,10 @@ static const struct hisi_crg_funcs hi3798cv200_sysctrl_funcs = { }; static const struct of_device_id hi3798_crg_match_table[] = { + { .compatible = "hisilicon,hi3798mv100-crg", + .data = &hi3798mv100_crg_funcs }, + { .compatible = "hisilicon,hi3798mv100-sysctrl", + .data = &hi3798mv100_sysctrl_funcs }, { .compatible = "hisilicon,hi3798cv200-crg", .data = &hi3798cv200_crg_funcs }, { .compatible = "hisilicon,hi3798cv200-sysctrl", -- 2.39.2