Thread (24 messages) 24 messages, 7 authors, 2014-11-14

Re: [PATCH 4/4] arm: dts: omap3-gta04: Add static configuration for devconf1 register

From: Belisko Marek <hidden>
Date: 2014-11-12 21:08:31
Also in: linux-arm-kernel, linux-devicetree, linux-fbdev, lkml

Hi Tony,

On Tue, Nov 11, 2014 at 12:36 AM, Tony Lindgren [off-list ref] wrote:
* Marek Belisko [off-list ref] [141103 14:01]:
quoted
gta04 board need for tvout enabled 2 bits in devconf1 register (tvbypass and acbias).
Add single pinmux entry and enable it.

Signed-off-by: Marek Belisko <redacted>
---
 arch/arm/boot/dts/omap3-gta04.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi
index e4d05f0..a456d37 100644
--- a/arch/arm/boot/dts/omap3-gta04.dtsi
+++ b/arch/arm/boot/dts/omap3-gta04.dtsi
@@ -118,6 +118,17 @@
                      };
              };
      };
+
+     /* pinmux for devconf1 */
+     control_devconf1: pinmux@480022d8 {
+             compatible = "pinctrl-single";
+             reg = <0x480022d8 4>;   /* single register */
+             #address-cells = <1>;
+             #size-cells = <0>;
+             pinctrl-single,bit-per-mux;
+             pinctrl-single,register-width = <32>;
+             pinctrl-single,function-mask = <0xfc0bd5>;
+     };
 };
The pinctrl-single entry should be in omap3.dtsi as the mux register is there
for all the omap3 devices, can you please update the patch for that?
Ok I'll do. Just one question. I checked TRM for omap3430 and omap3630 and
reserved bits in devconf1 are different. So keep function-mask for
omap3430 in omap3.dtsi
and redefine in omap36xx.dtsi (not sure if this will work in this
way)? Or exist other way how to deal with that? Thanks.
Regards,

Tony
quoted
 &omap3_pmx_core {
@@ -497,3 +508,14 @@
              };
      };
 };
+
+&control_devconf1 {
+     pinctrl-name = "default";
+     pinctrl-0 = < &tv_acbias_pins>;
+
+     tv_acbias_pins: pinmux_tv_acbias_pins {
+             pinctrl-single,bits = <
+                     0 0x40800 0x40800
+             >;
+     };
+};
--
1.9.1
BR,

marek

-- 
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Freelance Developer

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skype: marekwhite
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