2017-07-07 16:14:04

by Harvey Hunt

Subject: [PATCH 1/2] MIPS: Ci20: Enable GPIO driver

Update the Ci20's defconfig to enable the JZ4780's GPIO driver.

Signed-off-by: Harvey Hunt <[email protected]>
Cc: [email protected]
Cc: [email protected]
---
Ralf, both of these patches rely on Paul Cercueil's pinctrl
and gpio patches from Linus Walleij's 4.13 pinctrl pull request.

arch/mips/configs/ci20_defconfig | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/mips/configs/ci20_defconfig b/arch/mips/configs/ci20_defconfig
index 43e0ba2..ce317ff 100644
--- a/arch/mips/configs/ci20_defconfig
+++ b/arch/mips/configs/ci20_defconfig
@@ -92,6 +92,7 @@ CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_I2C=y
CONFIG_I2C_JZ4780=y
CONFIG_GPIO_SYSFS=y
+CONFIG_GPIO_INGENIC=y
# CONFIG_HWMON is not set
CONFIG_REGULATOR=y
CONFIG_REGULATOR_DEBUG=y
--
2.7.4

2017-07-07 16:14:03

by Harvey Hunt

Subject: [PATCH 2/2] MIPS: dts: Ci20: Add ethernet and fixed-regulator nodes

Add devicetree nodes for the DM9000 and the ethernet power regulator.
Additionally, add a new pinctrl node for the ethernet chip's pins.

Signed-off-by: Harvey Hunt <[email protected]>
Cc: Zubair Lutfullah Kakakhel <[email protected]>
Cc: Paul Burton <[email protected]>
Cc: Rob Herring <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Paul Cercueil <[email protected]>
Cc: Linus Walleij <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
---
Ralf, both of these patches rely on Paul Cercueil's pinctrl
and gpio patches from Linus Walleij's 4.13 pinctrl pull request.

arch/mips/boot/dts/ingenic/ci20.dts | 37 +++++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)

diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts
index fd138d99..6c38184 100644
--- a/arch/mips/boot/dts/ingenic/ci20.dts
+++ b/arch/mips/boot/dts/ingenic/ci20.dts
@@ -1,6 +1,7 @@
/dts-v1/;

#include "jz4780.dtsi"
+#include <dt-bindings/gpio/gpio.h>

/ {
compatible = "img,ci20", "ingenic,jz4780";
@@ -21,6 +22,13 @@
reg = <0x0 0x10000000
0x30000000 0x30000000>;
};
+
+ eth0_power: fixedregulator@0 {
+ compatible = "regulator-fixed";
+ regulator-name = "eth0_power";
+ gpio = <&gpb 25 GPIO_ACTIVE_LOW>;
+ enable-active-high;
+ };
};

&ext {
@@ -123,6 +131,29 @@
};
};
};
+
+ dm9000@6 {
+ compatible = "davicom,dm9000";
+ davicom,no-eeprom;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pins_nemc_cs6>;
+
+ reg = <6 0 1 /* addr */
+ 6 2 1>; /* data */
+
+ ingenic,nemc-tAS = <15>;
+ ingenic,nemc-tAH = <10>;
+ ingenic,nemc-tBP = <20>;
+ ingenic,nemc-tAW = <50>;
+ ingenic,nemc-tSTRV = <100>;
+
+ reset-gpios = <&gpf 12 GPIO_ACTIVE_HIGH>;
+ vcc-supply = <&eth0_power>;
+
+ interrupt-parent = <&gpe>;
+ interrupts = <19 4>;
+ };
};

&bch {
@@ -165,4 +196,10 @@
groups = "nemc-cs1";
bias-disable;
};
+
+ pins_nemc_cs6: nemc-cs6 {
+ function = "nemc-cs6";
+ groups = "nemc-cs6";
+ bias-disable;
+ };
};
--
2.7.4