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Date: Fri, 6 Nov 2020 10:31:18 +0100
From: Gregory CLEMENT <gregory.clement@...tlin.com>
To: Linus Walleij <linus.walleij@...aro.org>,
linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org
Cc: Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Lars Povlsen <lars.povlsen@...rochip.com>,
<Steen.Hegelund@...rochip.com>,
Gregory CLEMENT <gregory.clement@...tlin.com>
Subject: [PATCH 4/4] pinctrl: ocelot: Add support for Serval platforms
From: Lars Povlsen <lars.povlsen@...rochip.com>
This patch adds support for Serval pinctrl, using the ocelot driver as
basis. It adds pinconfig support as well, as supported by the
platform.
gclement: Split from a larger patch adding support all platforms in
the same time.
Signed-off-by: Lars Povlsen <lars.povlsen@...rochip.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@...tlin.com>
---
drivers/pinctrl/pinctrl-ocelot.c | 92 ++++++++++++++++++++++++++++++++
1 file changed, 92 insertions(+)
diff --git a/drivers/pinctrl/pinctrl-ocelot.c b/drivers/pinctrl/pinctrl-ocelot.c
index ab74c79d7cca..18336950fd95 100644
--- a/drivers/pinctrl/pinctrl-ocelot.c
+++ b/drivers/pinctrl/pinctrl-ocelot.c
@@ -240,6 +240,88 @@ static const struct pinctrl_pin_desc luton_pins[] = {
LUTON_PIN(31),
};
+#define SERVAL_P(p, f0, f1, f2) \
+static struct ocelot_pin_caps serval_pin_##p = { \
+ .pin = p, \
+ .functions = { \
+ FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2, \
+ }, \
+}
+
+SERVAL_P(0, SG0, NONE, NONE);
+SERVAL_P(1, SG0, NONE, NONE);
+SERVAL_P(2, SG0, NONE, NONE);
+SERVAL_P(3, SG0, NONE, NONE);
+SERVAL_P(4, TACHO, NONE, NONE);
+SERVAL_P(5, PWM, NONE, NONE);
+SERVAL_P(6, TWI, NONE, NONE);
+SERVAL_P(7, TWI, NONE, NONE);
+SERVAL_P(8, SI, NONE, NONE);
+SERVAL_P(9, SI, MD, NONE);
+SERVAL_P(10, SI, MD, NONE);
+SERVAL_P(11, SFP, MD, TWI_SCL_M);
+SERVAL_P(12, SFP, MD, TWI_SCL_M);
+SERVAL_P(13, SFP, UART2, TWI_SCL_M);
+SERVAL_P(14, SFP, UART2, TWI_SCL_M);
+SERVAL_P(15, SFP, PTP0, TWI_SCL_M);
+SERVAL_P(16, SFP, PTP0, TWI_SCL_M);
+SERVAL_P(17, SFP, PCI_WAKE, TWI_SCL_M);
+SERVAL_P(18, SFP, NONE, TWI_SCL_M);
+SERVAL_P(19, SFP, NONE, TWI_SCL_M);
+SERVAL_P(20, SFP, NONE, TWI_SCL_M);
+SERVAL_P(21, SFP, NONE, TWI_SCL_M);
+SERVAL_P(22, NONE, NONE, NONE);
+SERVAL_P(23, NONE, NONE, NONE);
+SERVAL_P(24, NONE, NONE, NONE);
+SERVAL_P(25, NONE, NONE, NONE);
+SERVAL_P(26, UART, NONE, NONE);
+SERVAL_P(27, UART, NONE, NONE);
+SERVAL_P(28, IRQ0, NONE, NONE);
+SERVAL_P(29, IRQ1, NONE, NONE);
+SERVAL_P(30, PTP0, NONE, NONE);
+SERVAL_P(31, PTP0, NONE, NONE);
+
+#define SERVAL_PIN(n) { \
+ .number = n, \
+ .name = "GPIO_"#n, \
+ .drv_data = &serval_pin_##n \
+}
+
+static const struct pinctrl_pin_desc serval_pins[] = {
+ SERVAL_PIN(0),
+ SERVAL_PIN(1),
+ SERVAL_PIN(2),
+ SERVAL_PIN(3),
+ SERVAL_PIN(4),
+ SERVAL_PIN(5),
+ SERVAL_PIN(6),
+ SERVAL_PIN(7),
+ SERVAL_PIN(8),
+ SERVAL_PIN(9),
+ SERVAL_PIN(10),
+ SERVAL_PIN(11),
+ SERVAL_PIN(12),
+ SERVAL_PIN(13),
+ SERVAL_PIN(14),
+ SERVAL_PIN(15),
+ SERVAL_PIN(16),
+ SERVAL_PIN(17),
+ SERVAL_PIN(18),
+ SERVAL_PIN(19),
+ SERVAL_PIN(20),
+ SERVAL_PIN(21),
+ SERVAL_PIN(22),
+ SERVAL_PIN(23),
+ SERVAL_PIN(24),
+ SERVAL_PIN(25),
+ SERVAL_PIN(26),
+ SERVAL_PIN(27),
+ SERVAL_PIN(28),
+ SERVAL_PIN(29),
+ SERVAL_PIN(30),
+ SERVAL_PIN(31),
+};
+
#define OCELOT_P(p, f0, f1, f2) \
static struct ocelot_pin_caps ocelot_pin_##p = { \
.pin = p, \
@@ -959,6 +1041,15 @@ static struct pinctrl_desc luton_desc = {
.owner = THIS_MODULE,
};
+static struct pinctrl_desc serval_desc = {
+ .name = "serval-pinctrl",
+ .pins = serval_pins,
+ .npins = ARRAY_SIZE(serval_pins),
+ .pctlops = &ocelot_pctl_ops,
+ .pmxops = &ocelot_pmx_ops,
+ .owner = THIS_MODULE,
+};
+
static struct pinctrl_desc ocelot_desc = {
.name = "ocelot-pinctrl",
.pins = ocelot_pins,
@@ -1243,6 +1334,7 @@ static int ocelot_gpiochip_register(struct platform_device *pdev,
static const struct of_device_id ocelot_pinctrl_of_match[] = {
{ .compatible = "mscc,luton-pinctrl", .data = &luton_desc },
+ { .compatible = "mscc,serval-pinctrl", .data = &serval_desc },
{ .compatible = "mscc,ocelot-pinctrl", .data = &ocelot_desc },
{ .compatible = "mscc,jaguar2-pinctrl", .data = &jaguar2_desc },
{ .compatible = "microchip,sparx5-pinctrl", .data = &sparx5_desc },
--
2.28.0
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