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Message-Id: <1456510756-15337-3-git-send-email-eric@anholt.net>
Date: Fri, 26 Feb 2016 10:19:13 -0800
From: Eric Anholt <eric@...olt.net>
To: linux-rpi-kernel@...ts.infradead.org
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Stephen Warren <swarren@...dotorg.org>,
Lee Jones <lee@...nel.org>,
Florian Fainelli <f.fainelli@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Kumar Gala <galak@...eaurora.org>, devicetree@...r.kernel.org,
Linus Walleij <linus.walleij@...aro.org>,
linux-gpio@...r.kernel.org, Stefan Wahren <stefan.wahren@...e.com>,
Eric Anholt <eric@...olt.net>
Subject: [PATCH 2/5] ARM: bcm2835: Replace alt0/i2s_alt[02] with standard groups.
Since all of these pins were documented, we can use their names to
explain what's going on.
Signed-off-by: Eric Anholt <eric@...olt.net>
---
arch/arm/boot/dts/bcm2835-rpi-a-plus.dts | 17 ++++++++++-------
arch/arm/boot/dts/bcm2835-rpi-a.dts | 17 ++++++++++-------
arch/arm/boot/dts/bcm2835-rpi-b-plus.dts | 17 ++++++++++-------
arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts | 17 ++++++++++-------
arch/arm/boot/dts/bcm2835-rpi-b.dts | 10 +++++++++-
arch/arm/boot/dts/bcm2835-rpi.dtsi | 5 -----
arch/arm/boot/dts/bcm2836-rpi-2-b.dts | 17 ++++++++++-------
7 files changed, 59 insertions(+), 41 deletions(-)
diff --git a/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts b/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts
index 228614f..0a8b92e 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts
@@ -21,11 +21,14 @@
};
&gpio {
- pinctrl-0 = <&gpioout &alt0 &i2s_alt0 &alt3>;
-
- /* I2S interface */
- i2s_alt0: i2s_alt0 {
- brcm,pins = <18 19 20 21>;
- brcm,function = <BCM2835_FSEL_ALT0>;
- };
+ pinctrl-0 = <&i2c0_gpio0
+ &i2c1_gpio2
+ &gpclk0_gpio4
+ &gpclk1_gpio5
+ &spi0_gpio7
+ &pcm_gpio18
+ &pwm0_gpio40
+ &pwm1_gpio45
+ &gpioout
+ &alt3>;
};
diff --git a/arch/arm/boot/dts/bcm2835-rpi-a.dts b/arch/arm/boot/dts/bcm2835-rpi-a.dts
index ddbbbbd..d093407 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-a.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-a.dts
@@ -14,11 +14,14 @@
};
&gpio {
- pinctrl-0 = <&gpioout &alt0 &i2s_alt2 &alt3>;
-
- /* I2S interface */
- i2s_alt2: i2s_alt2 {
- brcm,pins = <28 29 30 31>;
- brcm,function = <BCM2835_FSEL_ALT2>;
- };
+ pinctrl-0 = <&i2c0_gpio0
+ &i2c1_gpio2
+ &gpclk0_gpio4
+ &gpclk1_gpio5
+ &spi0_gpio7
+ &pcm_gpio28
+ &pwm0_gpio40
+ &pwm1_gpio45
+ &gpioout
+ &alt3>;
};
diff --git a/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
index ef54050..c26b81d 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
@@ -21,11 +21,14 @@
};
&gpio {
- pinctrl-0 = <&gpioout &alt0 &i2s_alt0 &alt3>;
-
- /* I2S interface */
- i2s_alt0: i2s_alt0 {
- brcm,pins = <18 19 20 21>;
- brcm,function = <BCM2835_FSEL_ALT0>;
- };
+ pinctrl-0 = <&i2c0_gpio0
+ &i2c1_gpio2
+ &gpclk0_gpio4
+ &gpclk1_gpio5
+ &spi0_gpio7
+ &pcm_gpio18
+ &pwm0_gpio40
+ &pwm1_gpio45
+ &gpioout
+ &alt3>;
};
diff --git a/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts b/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts
index 86f1f2f..a5b606e 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts
@@ -14,11 +14,14 @@
};
&gpio {
- pinctrl-0 = <&gpioout &alt0 &i2s_alt2 &alt3>;
-
- /* I2S interface */
- i2s_alt2: i2s_alt2 {
- brcm,pins = <28 29 30 31>;
- brcm,function = <BCM2835_FSEL_ALT2>;
- };
+ pinctrl-0 = <&i2c0_gpio0
+ &i2c1_gpio2
+ &gpclk0_gpio4
+ &gpclk1_gpio5
+ &spi0_gpio7
+ &pcm_gpio28
+ &pwm0_gpio40
+ &pwm1_gpio45
+ &gpioout
+ &alt3>;
};
diff --git a/arch/arm/boot/dts/bcm2835-rpi-b.dts b/arch/arm/boot/dts/bcm2835-rpi-b.dts
index 4859e9d..97e3c2f 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-b.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-b.dts
@@ -14,5 +14,13 @@
};
&gpio {
- pinctrl-0 = <&gpioout &alt0 &alt3>;
+ pinctrl-0 = <&i2c0_gpio0
+ &i2c1_gpio2
+ &gpclk0_gpio4
+ &gpclk1_gpio5
+ &spi0_gpio7
+ &pwm0_gpio40
+ &pwm1_gpio45
+ &gpioout
+ &alt3>;
};
diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi
index 76bdbca..141b18c 100644
--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
+++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
@@ -37,11 +37,6 @@
brcm,function = <BCM2835_FSEL_GPIO_OUT>;
};
- alt0: alt0 {
- brcm,pins = <0 1 2 3 4 5 7 8 9 10 11 14 15 40 45>;
- brcm,function = <BCM2835_FSEL_ALT0>;
- };
-
alt3: alt3 {
brcm,pins = <48 49 50 51 52 53>;
brcm,function = <BCM2835_FSEL_ALT3>;
diff --git a/arch/arm/boot/dts/bcm2836-rpi-2-b.dts b/arch/arm/boot/dts/bcm2836-rpi-2-b.dts
index ff94666..52798ca 100644
--- a/arch/arm/boot/dts/bcm2836-rpi-2-b.dts
+++ b/arch/arm/boot/dts/bcm2836-rpi-2-b.dts
@@ -25,11 +25,14 @@
};
&gpio {
- pinctrl-0 = <&gpioout &alt0 &i2s_alt0 &alt3>;
-
- /* I2S interface */
- i2s_alt0: i2s_alt0 {
- brcm,pins = <18 19 20 21>;
- brcm,function = <BCM2835_FSEL_ALT0>;
- };
+ pinctrl-0 = <&i2c0_gpio0
+ &i2c1_gpio2
+ &gpclk0_gpio4
+ &gpclk1_gpio5
+ &spi0_gpio7
+ &pcm_gpio18
+ &pwm0_gpio40
+ &pwm1_gpio45
+ &gpioout
+ &alt3>;
};
--
2.7.0
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