Thread (1 message) 1 message, 1 author, 2017-07-26

Re: [PATCH v2 1/2] gpio: davinci: Add keystone-k2g compatible

From: Keerthy <hidden>
Date: 2017-07-26 06:41:55
Also in: linux-arm-kernel, linux-devicetree


On Wednesday 26 July 2017 11:20 AM, Keerthy wrote:
quoted hunk
The patch adds keystone-k2g compatible, specific properties and
an example.

Signed-off-by: Keerthy <redacted>
---
 .../devicetree/bindings/gpio/gpio-davinci.txt      | 39 +++++++++++++++++++++-
 1 file changed, 38 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/gpio/gpio-davinci.txt b/Documentation/devicetree/bindings/gpio/gpio-davinci.txt
index 5079ba7..9f4f612 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-davinci.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio-davinci.txt
@@ -1,7 +1,9 @@
 Davinci/Keystone GPIO controller bindings
 
 Required Properties:
-- compatible: should be "ti,dm6441-gpio", "ti,keystone-gpio"
+- compatible: should be "ti,dm6441-gpio",
+			 "ti,keystone-gpio",
+			 "ti,keystone-k2g-gpio"
My bad i have not added the SoCs related to corresponding compatibles. I
will send v3 fixing that.
quoted hunk
 
 - reg: Physical base address of the controller and the size of memory mapped
        registers.
@@ -26,6 +28,17 @@ The GPIO controller also acts as an interrupt controller. It uses the default
 two cells specifier as described in Documentation/devicetree/bindings/
 interrupt-controller/interrupts.txt.
 
+Required Properties specific to keystone-k2g
+
+- clocks: Should contain devices input clock. The first parameter
+           is a handle to k2g_clks. The second parameter is the
+           device ID and the third parameter is the clock ID. One can
+           refer: http://processors.wiki.ti.com/index.php/TISCI#66AK2G02_Data
+
+           Example: <&k2g_clks 0x001c 0x0>;
+
+- clock-names: The driver expects the clock name to be "gpio";
+
 Example:
 
 gpio: gpio@1e26000 {
@@ -60,3 +73,27 @@ leds {
 		...
 	};
 };
+
+Example for keystone-k2g:
+
+gpio0: gpio@2603000 {
+	compatible = "ti,keystone-k2g-gpio", "ti,keystone-gpio";
+	reg = <0x02603000 0x100>;
+	gpio-controller;
+	#gpio-cells = <2>;
+	interrupts = <GIC_SPI 432 IRQ_TYPE_EDGE_RISING>,
+			<GIC_SPI 433 IRQ_TYPE_EDGE_RISING>,
+			<GIC_SPI 434 IRQ_TYPE_EDGE_RISING>,
+			<GIC_SPI 435 IRQ_TYPE_EDGE_RISING>,
+			<GIC_SPI 436 IRQ_TYPE_EDGE_RISING>,
+			<GIC_SPI 437 IRQ_TYPE_EDGE_RISING>,
+			<GIC_SPI 438 IRQ_TYPE_EDGE_RISING>,
+			<GIC_SPI 439 IRQ_TYPE_EDGE_RISING>,
+			<GIC_SPI 440 IRQ_TYPE_EDGE_RISING>;
+	interrupt-controller;
+	#interrupt-cells = <2>;
+	ti,ngpio = <144>;
+	ti,davinci-gpio-unbanked = <0>;
+	clocks = <&k2g_clks 0x001b 0x0>;
+	clock-names = "gpio";
+};
--
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