From: Pali Rohár pali@kernel.org
Convert A3720 common PHY driver to official DT bindings.
This puts us closer to be able to synchronize A3720 device-trees with those from Linux.
Signed-off-by: Pali Rohár pali@kernel.org Signed-off-by: Marek Behún marek.behun@nic.cz --- arch/arm/dts/armada-3720-espressobin.dts | 21 +--- arch/arm/dts/armada-3720-turris-mox.dts | 25 ++--- arch/arm/dts/armada-3720-uDPU.dts | 23 +--- arch/arm/dts/armada-37xx.dtsi | 20 +++- drivers/phy/marvell/comphy_a3700.c | 133 +++++++++++++++++++++++ drivers/phy/marvell/comphy_core.c | 59 +--------- drivers/phy/marvell/comphy_core.h | 23 ++++ drivers/phy/marvell/comphy_cp110.c | 58 ++++++++++ 8 files changed, 250 insertions(+), 112 deletions(-)
diff --git a/arch/arm/dts/armada-3720-espressobin.dts b/arch/arm/dts/armada-3720-espressobin.dts index cba6139be6..360d521bba 100644 --- a/arch/arm/dts/armada-3720-espressobin.dts +++ b/arch/arm/dts/armada-3720-espressobin.dts @@ -80,24 +80,6 @@ }; };
-&comphy { - max-lanes = <3>; - phy0 { - phy-type = <COMPHY_TYPE_USB3_HOST0>; - phy-speed = <COMPHY_SPEED_5G>; - }; - - phy1 { - phy-type = <COMPHY_TYPE_PEX0>; - phy-speed = <COMPHY_SPEED_2_5G>; - }; - - phy2 { - phy-type = <COMPHY_TYPE_SATA0>; - phy-speed = <COMPHY_SPEED_5G>; - }; -}; - ð0 { status = "okay"; pinctrl-names = "default"; @@ -119,6 +101,7 @@ /* CON3 */ &sata { status = "okay"; + phys = <&comphy2 0>; };
&sdhci0 { @@ -200,6 +183,7 @@ /* CON31 */ &usb3 { status = "okay"; + phys = <&comphy0 0>; };
&pcie0 { @@ -207,4 +191,5 @@ pinctrl-0 = <&pcie_pins>; reset-gpios = <&gpiosb 3 GPIO_ACTIVE_LOW>; status = "okay"; + phys = <&comphy1 0>; }; diff --git a/arch/arm/dts/armada-3720-turris-mox.dts b/arch/arm/dts/armada-3720-turris-mox.dts index f47ced05c5..d01757062f 100644 --- a/arch/arm/dts/armada-3720-turris-mox.dts +++ b/arch/arm/dts/armada-3720-turris-mox.dts @@ -94,24 +94,6 @@ }; };
-&comphy { - max-lanes = <3>; - phy0 { - phy-type = <COMPHY_TYPE_SGMII1>; - phy-speed = <COMPHY_SPEED_3_125G>; - }; - - phy1 { - phy-type = <COMPHY_TYPE_PEX0>; - phy-speed = <COMPHY_SPEED_5G>; - }; - - phy2 { - phy-type = <COMPHY_TYPE_USB3_HOST0>; - phy-speed = <COMPHY_SPEED_5G>; - }; -}; - ð0 { status = "okay"; pinctrl-names = "default"; @@ -120,6 +102,11 @@ phy = <ð_phy1>; };
+ð1 { + phy-mode = "2500base-x"; + phys = <&comphy0 1>; +}; + &i2c0 { pinctrl-names = "default"; pinctrl-0 = <&i2c1_pins>; @@ -222,6 +209,7 @@ &usb3 { vbus-supply = <®_usb3_vbus>; status = "okay"; + phys = <&comphy2 0>; };
&pcie0 { @@ -229,4 +217,5 @@ pinctrl-0 = <&pcie_pins>; reset-gpios = <&gpiosb 3 GPIO_ACTIVE_LOW>; status = "disabled"; + phys = <&comphy1 0>; }; diff --git a/arch/arm/dts/armada-3720-uDPU.dts b/arch/arm/dts/armada-3720-uDPU.dts index 4bf6d2eac7..58557c680a 100644 --- a/arch/arm/dts/armada-3720-uDPU.dts +++ b/arch/arm/dts/armada-3720-uDPU.dts @@ -106,36 +106,21 @@ }; };
-&comphy { - phy0 { - phy-type = <COMPHY_TYPE_SGMII1>; - phy-speed = <COMPHY_SPEED_1_25G>; - }; - - phy1 { - phy-type = <COMPHY_TYPE_SGMII0>; - phy-speed = <COMPHY_SPEED_1_25G>; - }; - - phy2 { - phy-type = <COMPHY_TYPE_USB3_HOST1>; - phy-speed = <COMPHY_SPEED_5G>; - }; -}; - ð0 { pinctrl-0 = <&pcie_pins>; status = "okay"; - phy-mode = "2500base-x"; + phy-mode = "sgmii"; managed = "in-band-status"; phy = <ðphy0>; + phys = <&comphy1 0>; };
ð1 { status = "okay"; - phy-mode = "2500base-x"; + phy-mode = "sgmii"; managed = "in-band-status"; phy = <ðphy1>; + phys = <&comphy0 1>; };
&i2c0 { diff --git a/arch/arm/dts/armada-37xx.dtsi b/arch/arm/dts/armada-37xx.dtsi index fec34609cf..bef6ef03df 100644 --- a/arch/arm/dts/armada-37xx.dtsi +++ b/arch/arm/dts/armada-37xx.dtsi @@ -316,9 +316,23 @@ compatible = "marvell,mvebu-comphy", "marvell,comphy-armada-3700"; reg = <0x18300 0x28>, <0x1f300 0x3d000>; - mux-bitcount = <4>; - mux-lane-order = <1 0 2>; - max-lanes = <3>; + #address-cells = <1>; + #size-cells = <0>; + + comphy0: phy@0 { + reg = <0>; + #phy-cells = <1>; + }; + + comphy1: phy@1 { + reg = <1>; + #phy-cells = <1>; + }; + + comphy2: phy@2 { + reg = <2>; + #phy-cells = <1>; + }; }; };
diff --git a/drivers/phy/marvell/comphy_a3700.c b/drivers/phy/marvell/comphy_a3700.c index 047c8bb045..4104353555 100644 --- a/drivers/phy/marvell/comphy_a3700.c +++ b/drivers/phy/marvell/comphy_a3700.c @@ -11,6 +11,7 @@ #include <asm/arch/cpu.h> #include <asm/arch/soc.h> #include <linux/delay.h> +#include <phy.h>
#include "comphy_a3700.h"
@@ -982,6 +983,138 @@ void comphy_dedicated_phys_init(void) debug_exit(); }
+static int find_available_node_by_compatible(int offset, const char *compatible) +{ + do { + offset = fdt_node_offset_by_compatible(gd->fdt_blob, offset, + compatible); + } while (offset > 0 && !fdtdec_get_is_enabled(gd->fdt_blob, offset)); + + return offset; +} + +static bool comphy_a3700_find_lane(const int nodes[3], int node, + int port, int *lane, int *invert) +{ + int res, i, j; + + for (i = 0; ; i++) { + struct fdtdec_phandle_args args; + + res = fdtdec_parse_phandle_with_args(gd->fdt_blob, node, "phys", + "#phy-cells", 0, i, &args); + if (res) + return false; + + for (j = 0; j < 3; j++) { + if (nodes[j] >= 0 && args.node == nodes[j] && + (args.args_count >= 1 ? args.args[0] : 0) == port) { + *lane = j; + *invert = args.args_count >= 2 ? args.args[1] + : 0; + return true; + } + } + } + + return false; +} + +static void comphy_a3700_fill_cfg(struct chip_serdes_phy_config *cfg, + const int nodes[3], const char *compatible, + int type) +{ + int node, lane, port, speed, invert; + + port = (type == COMPHY_TYPE_SGMII1) ? 1 : 0; + + node = -1; + while (1) { + node = find_available_node_by_compatible(node, compatible); + if (node < 0) + return; + + if (comphy_a3700_find_lane(nodes, node, port, &lane, &invert)) + break; + } + + if (cfg->comphy_map_data[lane].type != COMPHY_TYPE_UNCONNECTED) { + printf("Error: More PHYs defined for lane %d, skipping\n", + lane); + return; + } + + if (type == COMPHY_TYPE_SGMII0 || type == COMPHY_TYPE_SGMII1) { + const char *phy_mode; + + phy_mode = fdt_getprop(gd->fdt_blob, node, "phy-mode", NULL); + if (phy_mode && + !strcmp(phy_mode, + phy_string_for_interface(PHY_INTERFACE_MODE_2500BASEX))) + speed = COMPHY_SPEED_3_125G; + else + speed = COMPHY_SPEED_1_25G; + } else if (type == COMPHY_TYPE_SATA0) { + speed = COMPHY_SPEED_6G; + } else { + speed = COMPHY_SPEED_5G; + } + + cfg->comphy_map_data[lane].type = type; + cfg->comphy_map_data[lane].speed = speed; + cfg->comphy_map_data[lane].invert = invert; +} + +static const fdt32_t comphy_a3700_mux_lane_order[3] = { + __constant_cpu_to_be32(1), + __constant_cpu_to_be32(0), + __constant_cpu_to_be32(2), +}; + +int comphy_a3700_init_serdes_map(int node, struct chip_serdes_phy_config *cfg) +{ + int comphy_nodes[3]; + int child, i; + + for (i = 0; i < ARRAY_SIZE(comphy_nodes); i++) + comphy_nodes[i] = -FDT_ERR_NOTFOUND; + + fdt_for_each_subnode(child, gd->fdt_blob, node) { + if (!fdtdec_get_is_enabled(gd->fdt_blob, child)) + continue; + + i = fdtdec_get_int(gd->fdt_blob, child, "reg", -1); + if (i < 0 || i >= ARRAY_SIZE(comphy_nodes)) + continue; + + comphy_nodes[i] = child; + } + + for (i = 0; i < ARRAY_SIZE(comphy_nodes); i++) { + cfg->comphy_map_data[i].type = COMPHY_TYPE_UNCONNECTED; + cfg->comphy_map_data[i].speed = COMPHY_SPEED_INVALID; + } + + comphy_a3700_fill_cfg(cfg, comphy_nodes, "marvell,armada3700-u3d", + COMPHY_TYPE_USB3_DEVICE); + comphy_a3700_fill_cfg(cfg, comphy_nodes, "marvell,armada3700-xhci", + COMPHY_TYPE_USB3_HOST0); + comphy_a3700_fill_cfg(cfg, comphy_nodes, "marvell,armada-3700-pcie", + COMPHY_TYPE_PEX0); + comphy_a3700_fill_cfg(cfg, comphy_nodes, "marvell,armada-3700-ahci", + COMPHY_TYPE_SATA0); + comphy_a3700_fill_cfg(cfg, comphy_nodes, "marvell,armada-3700-neta", + COMPHY_TYPE_SGMII0); + comphy_a3700_fill_cfg(cfg, comphy_nodes, "marvell,armada-3700-neta", + COMPHY_TYPE_SGMII1); + + cfg->comphy_lanes_count = 3; + cfg->comphy_mux_bitcount = 4; + cfg->comphy_mux_lane_order = comphy_a3700_mux_lane_order; + + return 0; +} + int comphy_a3700_init(struct chip_serdes_phy_config *chip_cfg, struct comphy_map *serdes_map) { diff --git a/drivers/phy/marvell/comphy_core.c b/drivers/phy/marvell/comphy_core.c index 2c9d7b2288..233a973035 100644 --- a/drivers/phy/marvell/comphy_core.c +++ b/drivers/phy/marvell/comphy_core.c @@ -86,11 +86,8 @@ __weak int comphy_update_map(struct comphy_map *serdes_map, int count)
static int comphy_probe(struct udevice *dev) { - const void *blob = gd->fdt_blob; int node = dev_of_offset(dev); struct chip_serdes_phy_config *chip_cfg = dev_get_priv(dev); - int subnode; - int lane; int last_idx = 0; static int current_idx; int res; @@ -104,30 +101,14 @@ static int comphy_probe(struct udevice *dev) if (IS_ERR(chip_cfg->hpipe3_base_addr)) return PTR_ERR(chip_cfg->hpipe3_base_addr);
- chip_cfg->comphy_lanes_count = fdtdec_get_int(blob, node, - "max-lanes", 0); - if (chip_cfg->comphy_lanes_count <= 0) { - dev_err(dev, "comphy max lanes is wrong\n"); - return -EINVAL; - } - - chip_cfg->comphy_mux_bitcount = fdtdec_get_int(blob, node, - "mux-bitcount", 0); - if (chip_cfg->comphy_mux_bitcount <= 0) { - dev_err(dev, "comphy mux bit count is wrong\n"); - return -EINVAL; - } - - chip_cfg->comphy_mux_lane_order = - fdtdec_locate_array(blob, node, "mux-lane-order", - chip_cfg->comphy_lanes_count); - if (device_is_compatible(dev, "marvell,comphy-armada-3700")) { + chip_cfg->comphy_init_map = comphy_a3700_init_serdes_map; chip_cfg->ptr_comphy_chip_init = comphy_a3700_init; chip_cfg->rx_training = NULL; }
if (device_is_compatible(dev, "marvell,comphy-cp110")) { + chip_cfg->comphy_init_map = comphy_cp110_init_serdes_map; chip_cfg->ptr_comphy_chip_init = comphy_cp110_init; chip_cfg->rx_training = comphy_cp110_sfi_rx_training; } @@ -141,39 +122,9 @@ static int comphy_probe(struct udevice *dev) return -ENODEV; }
- lane = 0; - fdt_for_each_subnode(subnode, blob, node) { - /* Skip disabled ports */ - if (!fdtdec_get_is_enabled(blob, subnode)) - continue; - - chip_cfg->comphy_map_data[lane].type = - fdtdec_get_int(blob, subnode, "phy-type", - COMPHY_TYPE_INVALID); - - if (chip_cfg->comphy_map_data[lane].type == - COMPHY_TYPE_INVALID) { - printf("no phy type for lane %d, setting lane as unconnected\n", - lane + 1); - continue; - } - - chip_cfg->comphy_map_data[lane].speed = - fdtdec_get_int(blob, subnode, "phy-speed", - COMPHY_SPEED_INVALID); - - chip_cfg->comphy_map_data[lane].invert = - fdtdec_get_int(blob, subnode, "phy-invert", - COMPHY_POLARITY_NO_INVERT); - - chip_cfg->comphy_map_data[lane].clk_src = - fdtdec_get_bool(blob, subnode, "clk-src"); - - chip_cfg->comphy_map_data[lane].end_point = - fdtdec_get_bool(blob, subnode, "end_point"); - - lane++; - } + res = chip_cfg->comphy_init_map(node, chip_cfg); + if (res < 0) + return res;
res = comphy_update_map(chip_cfg->comphy_map_data, chip_cfg->comphy_lanes_count); if (res < 0) diff --git a/drivers/phy/marvell/comphy_core.h b/drivers/phy/marvell/comphy_core.h index 9bbd7f8f35..d573776c05 100644 --- a/drivers/phy/marvell/comphy_core.h +++ b/drivers/phy/marvell/comphy_core.h @@ -32,6 +32,7 @@ struct comphy_mux_data {
struct chip_serdes_phy_config { struct comphy_mux_data *mux_data; + int (*comphy_init_map)(int, struct chip_serdes_phy_config *); int (*ptr_comphy_chip_init)(struct chip_serdes_phy_config *, struct comphy_map *); int (*rx_training)(struct chip_serdes_phy_config *, u32); @@ -85,9 +86,20 @@ static inline void reg_set16(void __iomem *addr, u16 data, u16 mask)
/* SoC specific init functions */ #ifdef CONFIG_ARMADA_3700 +int comphy_a3700_init_serdes_map(int node, struct chip_serdes_phy_config *cfg); int comphy_a3700_init(struct chip_serdes_phy_config *ptr_chip_cfg, struct comphy_map *serdes_map); #else +static inline int +comphy_a3700_init_serdes_map(int node, struct chip_serdes_phy_config *cfg) +{ + /* + * This function should never be called in this configuration, so + * lets return an error here. + */ + return -1; +} + static inline int comphy_a3700_init(struct chip_serdes_phy_config *ptr_chip_cfg, struct comphy_map *serdes_map) { @@ -100,11 +112,22 @@ static inline int comphy_a3700_init(struct chip_serdes_phy_config *ptr_chip_cfg, #endif
#ifdef CONFIG_ARMADA_8K +int comphy_cp110_init_serdes_map(int node, struct chip_serdes_phy_config *cfg); int comphy_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg, struct comphy_map *serdes_map); int comphy_cp110_sfi_rx_training(struct chip_serdes_phy_config *ptr_chip_cfg, u32 lane); #else +static inline int +comphy_cp110_init_serdes_map(int node, struct chip_serdes_phy_config *cfg) +{ + /* + * This function should never be called in this configuration, so + * lets return an error here. + */ + return -1; +} + static inline int comphy_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg, struct comphy_map *serdes_map) { diff --git a/drivers/phy/marvell/comphy_cp110.c b/drivers/phy/marvell/comphy_cp110.c index 4fe2dfcdd1..e063b51c6d 100644 --- a/drivers/phy/marvell/comphy_cp110.c +++ b/drivers/phy/marvell/comphy_cp110.c @@ -554,6 +554,64 @@ void comphy_dedicated_phys_init(void) debug_exit(); }
+int comphy_cp110_init_serdes_map(int node, struct chip_serdes_phy_config *cfg) +{ + int lane, subnode; + + cfg->comphy_lanes_count = fdtdec_get_int(gd->fdt_blob, node, + "max-lanes", 0); + if (cfg->comphy_lanes_count <= 0) { + printf("comphy max lanes is wrong\n"); + return -EINVAL; + } + + cfg->comphy_mux_bitcount = fdtdec_get_int(gd->fdt_blob, node, + "mux-bitcount", 0); + if (cfg->comphy_mux_bitcount <= 0) { + printf("comphy mux bit count is wrong\n"); + return -EINVAL; + } + + cfg->comphy_mux_lane_order = fdtdec_locate_array(gd->fdt_blob, node, + "mux-lane-order", + cfg->comphy_lanes_count); + + lane = 0; + fdt_for_each_subnode(subnode, gd->fdt_blob, node) { + /* Skip disabled ports */ + if (!fdtdec_get_is_enabled(gd->fdt_blob, subnode)) + continue; + + cfg->comphy_map_data[lane].type = + fdtdec_get_int(gd->fdt_blob, subnode, "phy-type", + COMPHY_TYPE_INVALID); + + if (cfg->comphy_map_data[lane].type == COMPHY_TYPE_INVALID) { + printf("no phy type for lane %d, setting lane as unconnected\n", + lane + 1); + continue; + } + + cfg->comphy_map_data[lane].speed = + fdtdec_get_int(gd->fdt_blob, subnode, "phy-speed", + COMPHY_SPEED_INVALID); + + cfg->comphy_map_data[lane].invert = + fdtdec_get_int(gd->fdt_blob, subnode, "phy-invert", + COMPHY_POLARITY_NO_INVERT); + + cfg->comphy_map_data[lane].clk_src = + fdtdec_get_bool(gd->fdt_blob, subnode, "clk-src"); + + cfg->comphy_map_data[lane].end_point = + fdtdec_get_bool(gd->fdt_blob, subnode, "end_point"); + + lane++; + } + + return 0; +} + int comphy_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg, struct comphy_map *serdes_map) {