Expose additional clocks on EyeQ5. Some indexes come from dt-bindings
headers, others are private to the driver.
Few clocks are early (of_clk_init() stage: core clocks and UART clock),
others can wait until platform device probe. The source for this list
is downstream Mobileye kernel and some internal documentation.
Signed-off-by: Théo Lebrun <theo.lebrun@xxxxxxxxxxx>
---
drivers/clk/clk-eyeq.c | 96 ++++++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 94 insertions(+), 2 deletions(-)
diff --git a/drivers/clk/clk-eyeq.c b/drivers/clk/clk-eyeq.c
index 85beec6b5b46f2d3485042bf1aa3e395a29f84b1..542909085bcedb0f6b5b3cffbdb5761da9981cbc 100644
--- a/drivers/clk/clk-eyeq.c
+++ b/drivers/clk/clk-eyeq.c
@@ -436,6 +436,90 @@ static const struct eqc_pll eqc_eyeq5_plls[] = {
{ .index = EQ5C_PLL_DDR1, .name = "pll-ddr1", .reg64 = 0x074 },
};
+enum {
+ /*
+ * EQ5C_PLL_CPU children.
+ * EQ5C_PER_OCC_PCI is the last clock exposed in dt-bindings.
+ */
+ EQ5C_CPU_OCC = EQ5C_PER_OCC_PCI + 1,
+ EQ5C_CPU_SI_CSS0,
+ EQ5C_CPU_CPC,
+ EQ5C_CPU_CM,
+ EQ5C_CPU_MEM,
+ EQ5C_CPU_OCC_ISRAM,
+ EQ5C_CPU_ISRAM,
+ EQ5C_CPU_OCC_DBU,
+ EQ5C_CPU_SI_DBU_TP,
+
+ /*
+ * EQ5C_PLL_VDI children.
+ */
+ EQ5C_VDI_OCC_VDI,
+ EQ5C_VDI_VDI,
+ EQ5C_VDI_OCC_CAN_SER,
+ EQ5C_VDI_CAN_SER,
+ EQ5C_VDI_I2C_SER,
+
+ /*
+ * EQ5C_PLL_PER children.
+ */
+ EQ5C_PER_PERIPH,
+ EQ5C_PER_CAN,
+ EQ5C_PER_TIMER,
+ EQ5C_PER_CCF,
+ EQ5C_PER_OCC_MJPEG,
+ EQ5C_PER_HSM,
+ EQ5C_PER_MJPEG,
+ EQ5C_PER_FCMU_A,
+};
+
+static const struct eqc_fixed_factor eqc_eyeq5_early_fixed_factors[] = {
+ /* EQ5C_PLL_CPU children */
+ { EQ5C_CPU_OCC, "occ-cpu", 1, 1, EQ5C_PLL_CPU },
+ { EQ5C_CPU_SI_CSS0, "si-css0", 1, 1, EQ5C_CPU_OCC },
+ { EQ5C_CPU_CORE0, "core0", 1, 1, EQ5C_CPU_SI_CSS0 },
+ { EQ5C_CPU_CORE1, "core1", 1, 1, EQ5C_CPU_SI_CSS0 },
+ { EQ5C_CPU_CORE2, "core2", 1, 1, EQ5C_CPU_SI_CSS0 },
+ { EQ5C_CPU_CORE3, "core3", 1, 1, EQ5C_CPU_SI_CSS0 },
+
+ /* EQ5C_PLL_PER children */
+ { EQ5C_PER_OCC, "occ-periph", 1, 16, EQ5C_PLL_PER },
+ { EQ5C_PER_UART, "uart", 1, 1, EQ5C_PER_OCC },
+};
+
+static const struct eqc_fixed_factor eqc_eyeq5_fixed_factors[] = {
+ /* EQ5C_PLL_CPU children */
+ { EQ5C_CPU_CPC, "cpc", 1, 1, EQ5C_CPU_SI_CSS0 },
+ { EQ5C_CPU_CM, "cm", 1, 1, EQ5C_CPU_SI_CSS0 },
+ { EQ5C_CPU_MEM, "mem", 1, 1, EQ5C_CPU_SI_CSS0 },
+ { EQ5C_CPU_OCC_ISRAM, "occ-isram", 1, 2, EQ5C_PLL_CPU },
+ { EQ5C_CPU_ISRAM, "isram", 1, 1, EQ5C_CPU_OCC_ISRAM },
+ { EQ5C_CPU_OCC_DBU, "occ-dbu", 1, 10, EQ5C_PLL_CPU },
+ { EQ5C_CPU_SI_DBU_TP, "si-dbu-tp", 1, 1, EQ5C_CPU_OCC_DBU },
+
+ /* EQ5C_PLL_VDI children */
+ { EQ5C_VDI_OCC_VDI, "occ-vdi", 1, 2, EQ5C_PLL_VDI },
+ { EQ5C_VDI_VDI, "vdi", 1, 1, EQ5C_VDI_OCC_VDI },
+ { EQ5C_VDI_OCC_CAN_SER, "occ-can-ser", 1, 16, EQ5C_PLL_VDI },
+ { EQ5C_VDI_CAN_SER, "can-ser", 1, 1, EQ5C_VDI_OCC_CAN_SER },
+ { EQ5C_VDI_I2C_SER, "i2c-ser", 1, 20, EQ5C_PLL_VDI },
+
+ /* EQ5C_PLL_PER children */
+ { EQ5C_PER_PERIPH, "periph", 1, 1, EQ5C_PER_OCC },
+ { EQ5C_PER_CAN, "can", 1, 1, EQ5C_PER_OCC },
+ { EQ5C_PER_SPI, "spi", 1, 1, EQ5C_PER_OCC },
+ { EQ5C_PER_I2C, "i2c", 1, 1, EQ5C_PER_OCC },
+ { EQ5C_PER_TIMER, "timer", 1, 1, EQ5C_PER_OCC },
+ { EQ5C_PER_GPIO, "gpio", 1, 1, EQ5C_PER_OCC },
+ { EQ5C_PER_EMMC, "emmc-sys", 1, 10, EQ5C_PLL_PER },
+ { EQ5C_PER_CCF, "ccf-ctrl", 1, 4, EQ5C_PLL_PER },
+ { EQ5C_PER_OCC_MJPEG, "occ-mjpeg", 1, 2, EQ5C_PLL_PER },
+ { EQ5C_PER_HSM, "hsm", 1, 1, EQ5C_PER_OCC_MJPEG },
+ { EQ5C_PER_MJPEG, "mjpeg", 1, 1, EQ5C_PER_OCC_MJPEG },
+ { EQ5C_PER_FCMU_A, "fcmu-a", 1, 20, EQ5C_PLL_PER },
+ { EQ5C_PER_OCC_PCI, "occ-pci-sys", 1, 8, EQ5C_PLL_PER },
+};
+
static const struct eqc_div eqc_eyeq5_divs[] = {
{
.index = EQ5C_DIV_OSPI,
@@ -451,7 +535,11 @@ static const struct eqc_early_match_data eqc_eyeq5_early_match_data __initconst
.early_pll_count = ARRAY_SIZE(eqc_eyeq5_early_plls),
.early_plls = eqc_eyeq5_early_plls,
- .late_clk_count = ARRAY_SIZE(eqc_eyeq5_plls) + ARRAY_SIZE(eqc_eyeq5_divs),
+ .early_fixed_factor_count = ARRAY_SIZE(eqc_eyeq5_early_fixed_factors),
+ .early_fixed_factors = eqc_eyeq5_early_fixed_factors,
+
+ .late_clk_count = ARRAY_SIZE(eqc_eyeq5_plls) + ARRAY_SIZE(eqc_eyeq5_divs) +
+ ARRAY_SIZE(eqc_eyeq5_fixed_factors),
};
static const struct eqc_match_data eqc_eyeq5_match_data = {
@@ -461,10 +549,14 @@ static const struct eqc_match_data eqc_eyeq5_match_data = {
.div_count = ARRAY_SIZE(eqc_eyeq5_divs),
.divs = eqc_eyeq5_divs,
+ .fixed_factor_count = ARRAY_SIZE(eqc_eyeq5_fixed_factors),
+ .fixed_factors = eqc_eyeq5_fixed_factors,
+
.reset_auxdev_name = "reset",
.pinctrl_auxdev_name = "pinctrl",
- .early_clk_count = ARRAY_SIZE(eqc_eyeq5_early_plls),
+ .early_clk_count = ARRAY_SIZE(eqc_eyeq5_early_plls) +
+ ARRAY_SIZE(eqc_eyeq5_early_fixed_factors),
};
static const struct eqc_pll eqc_eyeq6l_plls[] = {
--
2.47.0
