[PATCH v3 4/4] clk: hisilicon: Add CRG driver for Hi3798MV100 SoC

From: David Yang
Date: Mon Mar 06 2023 - 22:25:50 EST

Next message: Nicolas Ferre: "Re: [PATCH 1/2] pinctrl: at91: Make the irqchip immutable"
Previous message: David Yang: "[PATCH v3 3/4] dt-bindings: clock: Add Hi3798MV100 CRG"
In reply to: David Yang: "[PATCH v3 3/4] dt-bindings: clock: Add Hi3798MV100 CRG"
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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 | 203 +++++++++++++++++++++++++++--
1 file changed, 189 insertions(+), 14 deletions(-)

diff --git a/drivers/clk/hisilicon/crg-hi3798.c b/drivers/clk/hisilicon/crg-hi3798.c
index 2477c1208..e86d772cc 100644
--- a/drivers/clk/hisilicon/crg-hi3798.c
+++ b/drivers/clk/hisilicon/crg-hi3798.c
@@ -38,6 +38,10 @@
#define HI3798_FIXED_166P5M 84
#define HI3798_SDIO0_MUX 85
#define HI3798_COMBPHY0_MUX 86
+#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

@@ -45,13 +49,16 @@ static const struct hisi_fixed_rate_clock hi3798_fixed_rate_clks[] = {
{ HISTB_OSC_CLK, "clk_osc", NULL, 0, 24000000, },
{ HISTB_APB_CLK, "clk_apb", NULL, 0, 100000000, },
{ HISTB_AHB_CLK, "clk_ahb", NULL, 0, 200000000, },
+ { HI3798_FIXED_3M, "3m", NULL, 0, 3000000, },
{ HI3798_FIXED_12M, "12m", NULL, 0, 12000000, },
+ { HI3798_FIXED_15M, "15m", NULL, 0, 15000000, },
{ HI3798_FIXED_24M, "24m", NULL, 0, 24000000, },
{ HI3798_FIXED_25M, "25m", NULL, 0, 25000000, },
{ HI3798_FIXED_48M, "48m", NULL, 0, 48000000, },
{ HI3798_FIXED_50M, "50m", NULL, 0, 50000000, },
{ HI3798_FIXED_60M, "60m", NULL, 0, 60000000, },
{ HI3798_FIXED_75M, "75m", NULL, 0, 75000000, },
+ { HI3798_FIXED_83P3M, "83p3m", NULL, 0, 83333333, },
{ HI3798_FIXED_100M, "100m", NULL, 0, 100000000, },
{ HI3798_FIXED_150M, "150m", NULL, 0, 150000000, },
{ HI3798_FIXED_166P5M, "166p5m", NULL, 0, 165000000, },
@@ -175,6 +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[] = {
@@ -204,18 +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",
@@ -313,8 +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,
@@ -368,6 +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

Next message: Nicolas Ferre: "Re: [PATCH 1/2] pinctrl: at91: Make the irqchip immutable"
Previous message: David Yang: "[PATCH v3 3/4] dt-bindings: clock: Add Hi3798MV100 CRG"
In reply to: David Yang: "[PATCH v3 3/4] dt-bindings: clock: Add Hi3798MV100 CRG"
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