Since all of these pins were documented, we can use their names to explain what's going on.
Signed-off-by: Eric Anholt <[email protected]> --- 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
