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Message-Id: <20170127032546.14657-4-chris.packham@alliedtelesis.co.nz>
Date: Fri, 27 Jan 2017 16:25:44 +1300
From: Chris Packham <chris.packham@...iedtelesis.co.nz>
To: linux@...linux.org.uk, linux-arm-kernel@...ts.infradead.org
Cc: Kalyan Kinthada <kalyan.kinthada@...iedtelesis.co.nz>,
Chris Packham <chris.packham@...iedtelesis.co.nz>,
Linus Walleij <linus.walleij@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCHv5 3/5] pinctrl: mvebu: pinctrl driver for 98DX3236 SoC
From: Kalyan Kinthada <kalyan.kinthada@...iedtelesis.co.nz>
This pinctrl driver supports the 98DX3236, 98DX3336 and 98DX4251 SoCs
from Marvell.
Signed-off-by: Kalyan Kinthada <kalyan.kinthada@...iedtelesis.co.nz>
Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
Acked-by: Rob Herring <robh@...nel.org>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
---
Notes:
Changes in v2:
- include sdio support for the 98DX4251
Changes in v3:
- None
Changes in v4:
- Correct some discrepencies between binding and driver.
- Collect acks from Rob and Sebastian
Changes in v5:
- Update bindings to reflect "gpo" pins
- Use mvebu_mmio_mpp_ctrl instead of armada_xp_mpp_ctrl (note this is reliant
on changes queued in linux-pinctrl)
.../pinctrl/marvell,armada-98dx3236-pinctrl.txt | 46 ++++++
drivers/pinctrl/mvebu/pinctrl-armada-xp.c | 156 +++++++++++++++++++++
2 files changed, 202 insertions(+)
create mode 100644 Documentation/devicetree/bindings/pinctrl/marvell,armada-98dx3236-pinctrl.txt
diff --git a/Documentation/devicetree/bindings/pinctrl/marvell,armada-98dx3236-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/marvell,armada-98dx3236-pinctrl.txt
new file mode 100644
index 000000000000..97aef67ee769
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/marvell,armada-98dx3236-pinctrl.txt
@@ -0,0 +1,46 @@
+* Marvell 98dx3236 pinctrl driver for mpp
+
+Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding
+part and usage
+
+Required properties:
+- compatible: "marvell,98dx3236-pinctrl" or "marvell,98dx4251-pinctrl"
+- reg: register specifier of MPP registers
+
+This driver supports all 98dx3236, 98dx3336 and 98dx4251 variants
+
+name pins functions
+================================================================================
+mpp0 0 gpo, spi0(mosi), dev(ad8)
+mpp1 1 gpio, spi0(miso), dev(ad9)
+mpp2 2 gpo, spi0(sck), dev(ad10)
+mpp3 3 gpio, spi0(cs0), dev(ad11)
+mpp4 4 gpio, spi0(cs1), smi(mdc), dev(cs0)
+mpp5 5 gpio, pex(rsto), sd0(cmd), dev(bootcs)
+mpp6 6 gpo, sd0(clk), dev(a2)
+mpp7 7 gpio, sd0(d0), dev(ale0)
+mpp8 8 gpio, sd0(d1), dev(ale1)
+mpp9 9 gpio, sd0(d2), dev(ready0)
+mpp10 10 gpio, sd0(d3), dev(ad12)
+mpp11 11 gpio, uart1(rxd), uart0(cts), dev(ad13)
+mpp12 12 gpo, uart1(txd), uart0(rts), dev(ad14)
+mpp13 13 gpio, intr(out), dev(ad15)
+mpp14 14 gpio, i2c0(sck)
+mpp15 15 gpio, i2c0(sda)
+mpp16 16 gpo, dev(oe)
+mpp17 17 gpo, dev(clkout)
+mpp18 18 gpio, uart1(txd)
+mpp19 19 gpio, uart1(rxd), dev(rb)
+mpp20 20 gpo, dev(we0)
+mpp21 21 gpo, dev(ad0)
+mpp22 22 gpo, dev(ad1)
+mpp23 23 gpo, dev(ad2)
+mpp24 24 gpo, dev(ad3)
+mpp25 25 gpo, dev(ad4)
+mpp26 26 gpo, dev(ad5)
+mpp27 27 gpo, dev(ad6)
+mpp28 28 gpo, dev(ad7)
+mpp29 29 gpo, dev(a0)
+mpp30 30 gpo, dev(a1)
+mpp31 31 gpio, slv_smi(mdc), smi(mdc), dev(we1)
+mpp32 32 gpio, slv_smi(mdio), smi(mdio), dev(cs1)
diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-xp.c b/drivers/pinctrl/mvebu/pinctrl-armada-xp.c
index 63e1bd506983..61cbc138703e 100644
--- a/drivers/pinctrl/mvebu/pinctrl-armada-xp.c
+++ b/drivers/pinctrl/mvebu/pinctrl-armada-xp.c
@@ -38,6 +38,10 @@ enum armada_xp_variant {
V_MV78460 = BIT(2),
V_MV78230_PLUS = (V_MV78230 | V_MV78260 | V_MV78460),
V_MV78260_PLUS = (V_MV78260 | V_MV78460),
+ V_98DX3236 = BIT(3),
+ V_98DX3336 = BIT(4),
+ V_98DX4251 = BIT(5),
+ V_98DX3236_PLUS = (V_98DX3236 | V_98DX3336 | V_98DX4251),
};
static struct mvebu_mpp_mode armada_xp_mpp_modes[] = {
@@ -349,6 +353,131 @@ static struct mvebu_mpp_mode armada_xp_mpp_modes[] = {
MPP_VAR_FUNCTION(0x1, "dev", "ad31", V_MV78260_PLUS)),
};
+static struct mvebu_mpp_mode mv98dx3236_mpp_modes[] = {
+ MPP_MODE(0,
+ MPP_VAR_FUNCTION(0x0, "gpo", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x2, "spi0", "mosi", V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x4, "dev", "ad8", V_98DX3236_PLUS)),
+ MPP_MODE(1,
+ MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x2, "spi0", "miso", V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x4, "dev", "ad9", V_98DX3236_PLUS)),
+ MPP_MODE(2,
+ MPP_VAR_FUNCTION(0x0, "gpo", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x2, "spi0", "sck", V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x4, "dev", "ad10", V_98DX3236_PLUS)),
+ MPP_MODE(3,
+ MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x2, "spi0", "cs0", V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x4, "dev", "ad11", V_98DX3236_PLUS)),
+ MPP_MODE(4,
+ MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x2, "spi0", "cs1", V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x3, "smi", "mdc", V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x4, "dev", "cs0", V_98DX3236_PLUS)),
+ MPP_MODE(5,
+ MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x1, "pex", "rsto", V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x2, "sd0", "cmd", V_98DX4251),
+ MPP_VAR_FUNCTION(0x4, "dev", "bootcs", V_98DX3236_PLUS)),
+ MPP_MODE(6,
+ MPP_VAR_FUNCTION(0x0, "gpo", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x2, "sd0", "clk", V_98DX4251),
+ MPP_VAR_FUNCTION(0x4, "dev", "a2", V_98DX3236_PLUS)),
+ MPP_MODE(7,
+ MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x2, "sd0", "d0", V_98DX4251),
+ MPP_VAR_FUNCTION(0x4, "dev", "ale0", V_98DX3236_PLUS)),
+ MPP_MODE(8,
+ MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x2, "sd0", "d1", V_98DX4251),
+ MPP_VAR_FUNCTION(0x4, "dev", "ale1", V_98DX3236_PLUS)),
+ MPP_MODE(9,
+ MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x2, "sd0", "d2", V_98DX4251),
+ MPP_VAR_FUNCTION(0x4, "dev", "ready0", V_98DX3236_PLUS)),
+ MPP_MODE(10,
+ MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x2, "sd0", "d3", V_98DX4251),
+ MPP_VAR_FUNCTION(0x4, "dev", "ad12", V_98DX3236_PLUS)),
+ MPP_MODE(11,
+ MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x2, "uart1", "rxd", V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x3, "uart0", "cts", V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x4, "dev", "ad13", V_98DX3236_PLUS)),
+ MPP_MODE(12,
+ MPP_VAR_FUNCTION(0x0, "gpo", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x2, "uart1", "txd", V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x3, "uart0", "rts", V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x4, "dev", "ad14", V_98DX3236_PLUS)),
+ MPP_MODE(13,
+ MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x1, "intr", "out", V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x4, "dev", "ad15", V_98DX3236_PLUS)),
+ MPP_MODE(14,
+ MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x1, "i2c0", "sck", V_98DX3236_PLUS)),
+ MPP_MODE(15,
+ MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x4, "i2c0", "sda", V_98DX3236_PLUS)),
+ MPP_MODE(16,
+ MPP_VAR_FUNCTION(0x0, "gpo", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x4, "dev", "oe", V_98DX3236_PLUS)),
+ MPP_MODE(17,
+ MPP_VAR_FUNCTION(0x0, "gpo", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x4, "dev", "clkout", V_98DX3236_PLUS)),
+ MPP_MODE(18,
+ MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x3, "uart1", "txd", V_98DX3236_PLUS)),
+ MPP_MODE(19,
+ MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x3, "uart1", "rxd", V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x4, "dev", "rb", V_98DX3236_PLUS)),
+ MPP_MODE(20,
+ MPP_VAR_FUNCTION(0x0, "gpo", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x4, "dev", "we0", V_98DX3236_PLUS)),
+ MPP_MODE(21,
+ MPP_VAR_FUNCTION(0x0, "gpo", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x1, "dev", "ad0", V_98DX3236_PLUS)),
+ MPP_MODE(22,
+ MPP_VAR_FUNCTION(0x0, "gpo", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x1, "dev", "ad1", V_98DX3236_PLUS)),
+ MPP_MODE(23,
+ MPP_VAR_FUNCTION(0x0, "gpo", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x1, "dev", "ad2", V_98DX3236_PLUS)),
+ MPP_MODE(24,
+ MPP_VAR_FUNCTION(0x0, "gpo", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x1, "dev", "ad3", V_98DX3236_PLUS)),
+ MPP_MODE(25,
+ MPP_VAR_FUNCTION(0x0, "gpo", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x1, "dev", "ad4", V_98DX3236_PLUS)),
+ MPP_MODE(26,
+ MPP_VAR_FUNCTION(0x0, "gpo", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x1, "dev", "ad5", V_98DX3236_PLUS)),
+ MPP_MODE(27,
+ MPP_VAR_FUNCTION(0x0, "gpo", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x1, "dev", "ad6", V_98DX3236_PLUS)),
+ MPP_MODE(28,
+ MPP_VAR_FUNCTION(0x0, "gpo", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x1, "dev", "ad7", V_98DX3236_PLUS)),
+ MPP_MODE(29,
+ MPP_VAR_FUNCTION(0x0, "gpo", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x1, "dev", "a0", V_98DX3236_PLUS)),
+ MPP_MODE(30,
+ MPP_VAR_FUNCTION(0x0, "gpo", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x1, "dev", "a1", V_98DX3236_PLUS)),
+ MPP_MODE(31,
+ MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x1, "slv_smi", "mdc", V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x3, "smi", "mdc", V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x4, "dev", "we1", V_98DX3236_PLUS)),
+ MPP_MODE(32,
+ MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x1, "slv_smi", "mdio", V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x3, "smi", "mdio", V_98DX3236_PLUS),
+ MPP_VAR_FUNCTION(0x4, "dev", "cs1", V_98DX3236_PLUS)),
+};
+
static struct mvebu_pinctrl_soc_info armada_xp_pinctrl_info;
static const struct of_device_id armada_xp_pinctrl_of_match[] = {
@@ -364,6 +493,14 @@ static const struct of_device_id armada_xp_pinctrl_of_match[] = {
.compatible = "marvell,mv78460-pinctrl",
.data = (void *) V_MV78460,
},
+ {
+ .compatible = "marvell,98dx3236-pinctrl",
+ .data = (void *) V_98DX3236,
+ },
+ {
+ .compatible = "marvell,98dx4251-pinctrl",
+ .data = (void *) V_98DX4251,
+ },
{ },
};
@@ -396,6 +533,14 @@ static struct pinctrl_gpio_range mv78460_mpp_gpio_ranges[] = {
MPP_GPIO_RANGE(2, 64, 64, 3),
};
+static struct mvebu_mpp_ctrl mv98dx3236_mpp_controls[] = {
+ MPP_FUNC_CTRL(0, 32, NULL, mvebu_mmio_mpp_ctrl),
+};
+
+static struct pinctrl_gpio_range mv98dx3236_mpp_gpio_ranges[] = {
+ MPP_GPIO_RANGE(0, 0, 0, 32),
+};
+
static int armada_xp_pinctrl_suspend(struct platform_device *pdev,
pm_message_t state)
{
@@ -471,6 +616,17 @@ static int armada_xp_pinctrl_probe(struct platform_device *pdev)
soc->gpioranges = mv78460_mpp_gpio_ranges;
soc->ngpioranges = ARRAY_SIZE(mv78460_mpp_gpio_ranges);
break;
+ case V_98DX3236:
+ case V_98DX3336:
+ case V_98DX4251:
+ /* fall-through */
+ soc->controls = mv98dx3236_mpp_controls;
+ soc->ncontrols = ARRAY_SIZE(mv98dx3236_mpp_controls);
+ soc->modes = mv98dx3236_mpp_modes;
+ soc->nmodes = mv98dx3236_mpp_controls[0].npins;
+ soc->gpioranges = mv98dx3236_mpp_gpio_ranges;
+ soc->ngpioranges = ARRAY_SIZE(mv98dx3236_mpp_gpio_ranges);
+ break;
}
nregs = DIV_ROUND_UP(soc->nmodes, MVEBU_MPPS_PER_REG);
--
2.11.0.24.ge6920cf
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