[bootlin/training-materials updates] master: Kernel slides: add details about #size-cells and #address-cells (5533b511)

[Michael Opdenacker]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/5533b511999cc76ac267b1dbefcd63044de7a4df

>---------------------------------------------------------------

commit 5533b511999cc76ac267b1dbefcd63044de7a4df
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date:   Mon Feb 8 10:29:33 2021 +0100

    Kernel slides: add details about #size-cells and #address-cells
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>


>---------------------------------------------------------------

5533b511999cc76ac267b1dbefcd63044de7a4df
 slides/kernel-i2c/kernel-i2c.tex | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/slides/kernel-i2c/kernel-i2c.tex b/slides/kernel-i2c/kernel-i2c.tex
index a74a784f..1654143f 100644
--- a/slides/kernel-i2c/kernel-i2c.tex
+++ b/slides/kernel-i2c/kernel-i2c.tex
@@ -183,7 +183,13 @@ i2c0: i2c at 01c2ac00 {
 };
     \end{minted}
   \end{block}
-  From \kfile{arch/arm/boot/dts/sun7i-a20.dtsi}
+  \small
+  From \kfile{arch/arm/boot/dts/sun7i-a20.dtsi}\\
+  \vspace{0.5cm}
+  \code{#address-cells}: number of 32 values needed to encode the address fields\\
+  \code{#size-cells}: number of 32 values needed to encode the size
+        fields (\code{0}: discrete value)\\
+  See details in \url{https://elinux.org/Device_Tree_Usage}
 \end{frame}
 
 \begin{frame}[fragile]{Registering an I2C device, DT example (2/2)}