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-rw-r--r--arch/arm/dts/r8a779g0-white-hawk-u-boot.dtsi8
-rw-r--r--drivers/clk/renesas/rzg2l-cpg.c8
-rw-r--r--drivers/net/ravb.c6
-rw-r--r--drivers/pinctrl/renesas/rzg2l-pfc.c83
-rw-r--r--include/renesas/rzg2l-pfc.h4
5 files changed, 86 insertions, 23 deletions
diff --git a/arch/arm/dts/r8a779g0-white-hawk-u-boot.dtsi b/arch/arm/dts/r8a779g0-white-hawk-u-boot.dtsi
index c3704d789e8..531767cfdb2 100644
--- a/arch/arm/dts/r8a779g0-white-hawk-u-boot.dtsi
+++ b/arch/arm/dts/r8a779g0-white-hawk-u-boot.dtsi
@@ -13,6 +13,14 @@
};
};
+&avb1 {
+ status = "disabled";
+};
+
+&avb2 {
+ status = "disabled";
+};
+
&rpc {
flash@0 {
spi-tx-bus-width = <1>;
diff --git a/drivers/clk/renesas/rzg2l-cpg.c b/drivers/clk/renesas/rzg2l-cpg.c
index c8735d869cf..3c5340df8ee 100644
--- a/drivers/clk/renesas/rzg2l-cpg.c
+++ b/drivers/clk/renesas/rzg2l-cpg.c
@@ -69,7 +69,15 @@ static int rzg2l_cpg_clk_set(struct clk *clk, bool enable)
dev_dbg(clk->dev, "%s %s clock %u\n", enable ? "enable" : "disable",
is_mod_clk(clk->id) ? "module" : "core", cpg_clk_id);
+
if (!is_mod_clk(clk->id)) {
+ /*
+ * Non-module clocks are always on. Ignore attempts to enable
+ * them and reject attempts to disable them.
+ */
+ if (enable)
+ return 0;
+
dev_err(clk->dev, "ID %lu is not a module clock\n", clk->id);
return -EINVAL;
}
diff --git a/drivers/net/ravb.c b/drivers/net/ravb.c
index f1401d2f6ed..231764e60b5 100644
--- a/drivers/net/ravb.c
+++ b/drivers/net/ravb.c
@@ -649,7 +649,6 @@ static const struct eth_ops ravb_ops = {
int ravb_of_to_plat(struct udevice *dev)
{
struct eth_pdata *pdata = dev_get_plat(dev);
- const fdt32_t *cell;
pdata->iobase = dev_read_addr(dev);
@@ -657,10 +656,7 @@ int ravb_of_to_plat(struct udevice *dev)
if (pdata->phy_interface == PHY_INTERFACE_MODE_NA)
return -EINVAL;
- pdata->max_speed = 1000;
- cell = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "max-speed", NULL);
- if (cell)
- pdata->max_speed = fdt32_to_cpu(*cell);
+ pdata->max_speed = dev_read_u32_default(dev, "max-speed", 1000);
sprintf(bb_miiphy_buses[0].name, dev->name);
diff --git a/drivers/pinctrl/renesas/rzg2l-pfc.c b/drivers/pinctrl/renesas/rzg2l-pfc.c
index e88ec1c1837..3c751e9473a 100644
--- a/drivers/pinctrl/renesas/rzg2l-pfc.c
+++ b/drivers/pinctrl/renesas/rzg2l-pfc.c
@@ -180,7 +180,7 @@ static const u32 r9a07g044_gpio_configs[] = {
RZG2L_GPIO_PORT_PACK(3, 0x21, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(2, 0x22, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(2, 0x23, RZG2L_MPXED_PIN_FUNCS),
- RZG2L_GPIO_PORT_PACK(3, 0x24, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
+ RZG2L_GPIO_PORT_PACK(3, 0x24, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0) | PIN_CFG_OEN),
RZG2L_GPIO_PORT_PACK(2, 0x25, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
RZG2L_GPIO_PORT_PACK(2, 0x26, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
RZG2L_GPIO_PORT_PACK(2, 0x27, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
@@ -189,7 +189,7 @@ static const u32 r9a07g044_gpio_configs[] = {
RZG2L_GPIO_PORT_PACK(2, 0x2a, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
RZG2L_GPIO_PORT_PACK(2, 0x2b, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
RZG2L_GPIO_PORT_PACK(2, 0x2c, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
- RZG2L_GPIO_PORT_PACK(2, 0x2d, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
+ RZG2L_GPIO_PORT_PACK(2, 0x2d, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1) | PIN_CFG_OEN),
RZG2L_GPIO_PORT_PACK(2, 0x2e, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
RZG2L_GPIO_PORT_PACK(2, 0x2f, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
RZG2L_GPIO_PORT_PACK(2, 0x30, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
@@ -381,7 +381,7 @@ static int rzg2l_pinconf_set(struct udevice *dev, unsigned int pin_selector,
}
switch (param) {
- case PIN_CONFIG_INPUT_ENABLE: {
+ case PIN_CONFIG_INPUT_ENABLE:
if (!(cfg & PIN_CFG_IEN)) {
dev_err(dev, "pin does not support IEN\n");
return -EINVAL;
@@ -391,21 +391,12 @@ static int rzg2l_pinconf_set(struct udevice *dev, unsigned int pin_selector,
port_offset, pin, argument);
rzg2l_rmw_pin_config(data, IEN(port_offset), pin, IEN_MASK, !!argument);
break;
- }
case PIN_CONFIG_POWER_SOURCE: {
- u32 pwr_reg = 0x0;
+ bool support_2500 = false;
+ u32 pwr_reg;
+ u32 value;
- /* argument is in mV */
- if (argument != 1800 && argument != 3300) {
- dev_err(dev, "Invalid mV %u\n", argument);
- return -EINVAL;
- }
-
- /*
- * TODO: PIN_CFG_IO_VMC_ETH0 & PIN_CFG_IO_VMC_ETH1 will be
- * handled when the RZ/G2L Ethernet driver is added.
- */
if (cfg & PIN_CFG_IO_VMC_SD0) {
dev_dbg(dev, "port off %u:%u set SD_CH 0 PVDD=%u\n",
port_offset, pin, argument);
@@ -418,13 +409,68 @@ static int rzg2l_pinconf_set(struct udevice *dev, unsigned int pin_selector,
dev_dbg(dev, "port off %u:%u set QSPI PVDD=%u\n",
port_offset, pin, argument);
pwr_reg = QSPI;
+ } else if (cfg & PIN_CFG_IO_VMC_ETH0) {
+ dev_dbg(dev, "port off %u:%u set ETH0 PVDD=%u\n",
+ port_offset, pin, argument);
+ pwr_reg = ETH_POC(0);
+ support_2500 = true;
+ } else if (cfg & PIN_CFG_IO_VMC_ETH1) {
+ dev_dbg(dev, "port off %u:%u set ETH1 PVDD=%u\n",
+ port_offset, pin, argument);
+ pwr_reg = ETH_POC(1);
+ support_2500 = true;
} else {
- dev_dbg(dev, "pin power source is not selectable\n");
+ dev_dbg(dev, "port off %u:%u PVDD is not selectable\n",
+ port_offset, pin);
+ return -EINVAL;
+ }
+
+ /* argument is in mV */
+ switch (argument) {
+ case 1800:
+ value = PVDD_1800;
+ break;
+ case 3300:
+ value = PVDD_3300;
+ break;
+ case 2500:
+ if (support_2500) {
+ value = PVDD_2500;
+ break;
+ }
+ fallthrough;
+ default:
+ dev_err(dev, "Invalid mV %u\n", argument);
return -EINVAL;
}
- writel((argument == 1800) ? PVDD_1800 : PVDD_3300,
- data->base + pwr_reg);
+ writel(value, data->base + pwr_reg);
+ break;
+ }
+
+ case PIN_CONFIG_OUTPUT_ENABLE: {
+ u8 ch;
+
+ if (!(cfg & PIN_CFG_OEN)) {
+ dev_err(dev, "pin does not support OEN\n");
+ return -EINVAL;
+ }
+
+ /*
+ * We can determine which Ethernet interface we're dealing with from
+ * the caps.
+ */
+ if (cfg & PIN_CFG_IO_VMC_ETH0)
+ ch = 0;
+ else /* PIN_CFG_IO_VMC_ETH1 */
+ ch = 1;
+
+ dev_dbg(dev, "set ETH%u TXC OEN=%u\n", ch, argument);
+ if (argument)
+ clrbits_8(data->base + ETH_MODE, BIT(ch));
+ else
+ setbits_8(data->base + ETH_MODE, BIT(ch));
+
break;
}
@@ -521,6 +567,7 @@ static int rzg2l_get_pin_muxing(struct udevice *dev, unsigned int selector,
static const struct pinconf_param rzg2l_pinconf_params[] = {
{ "input-enable", PIN_CONFIG_INPUT_ENABLE, 1 },
+ { "output-enable", PIN_CONFIG_OUTPUT_ENABLE, 1 },
{ "power-source", PIN_CONFIG_POWER_SOURCE, 3300 /* mV */ },
};
diff --git a/include/renesas/rzg2l-pfc.h b/include/renesas/rzg2l-pfc.h
index 2df17ece2a3..0c94487754d 100644
--- a/include/renesas/rzg2l-pfc.h
+++ b/include/renesas/rzg2l-pfc.h
@@ -22,6 +22,7 @@
#define PIN_CFG_FILONOFF BIT(10)
#define PIN_CFG_FILNUM BIT(11)
#define PIN_CFG_FILCLKSEL BIT(12)
+#define PIN_CFG_OEN BIT(13)
#define RZG2L_MPXED_PIN_FUNCS (PIN_CFG_IOLH_A | \
PIN_CFG_SR | \
@@ -77,9 +78,12 @@
#define IEN(n) (0x1800 + (n) * 8)
#define PWPR 0x3014
#define SD_CH(n) (0x3000 + (n) * 4)
+#define ETH_POC(ch) (0x300c + (ch) * 4)
#define QSPI 0x3008
+#define ETH_MODE 0x3018
#define PVDD_1800 1 /* I/O domain voltage <= 1.8V */
+#define PVDD_2500 2 /* I/O domain voltage 2.5V */
#define PVDD_3300 0 /* I/O domain voltage >= 3.3V */
#define PWPR_B0WI BIT(7) /* Bit Write Disable */
generated by cgit v1.2.3 (git 2.0.4) at 2025-08-04 20:09:39 +0000