[FE training-materials-updates] More Device Tree contents
Thomas Petazzoni
thomas.petazzoni at free-electrons.com
Wed Sep 18 06:31:31 CEST 2013
Repository : git://git.free-electrons.com/training-materials.git
On branch : kernel-ng
Link : http://git.free-electrons.com/training-materials/commit/?id=0917a62a1b3d7986c424f31deb9b42873f260c5e
>---------------------------------------------------------------
commit 0917a62a1b3d7986c424f31deb9b42873f260c5e
Author: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
Date: Tue Sep 17 12:33:31 2013 +0200
More Device Tree contents
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
>---------------------------------------------------------------
0917a62a1b3d7986c424f31deb9b42873f260c5e
slides/kernel-device-model/kernel-device-model.tex | 32 ++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/slides/kernel-device-model/kernel-device-model.tex b/slides/kernel-device-model/kernel-device-model.tex
index fc3dad4..161420e 100644
--- a/slides/kernel-device-model/kernel-device-model.tex
+++ b/slides/kernel-device-model/kernel-device-model.tex
@@ -587,6 +587,38 @@ uart0: serial at 44e09000 {
\end{center}
\end{frame}
+\begin{frame}[fragile]
+ \frametitle{Device Tree binding}
+ \begin{itemize}
+ \item With the {\em device tree}, a {\em device} is bound with the
+ corresponding {\em driver} using the {\bf compatible} string.
+ \item The \code{of_match_table} field of \code{struct device_driver}
+ lists the compatible strings supported by the driver.
+ \end{itemize}
+ \begin{minted}[fontsize=\footnotesize]{c}
+\begin{verbatim}
+#if defined(CONFIG_OF)
+static const struct of_device_id omap_serial_of_match[] = {
+ { .compatible = "ti,omap2-uart" },
+ { .compatible = "ti,omap3-uart" },
+ { .compatible = "ti,omap4-uart" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, omap_serial_of_match);
+#endif
+
+static struct platform_driver serial_omap_driver = {
+ .probe = serial_omap_probe,
+ .remove = serial_omap_remove,
+ .driver = {
+ .name = DRIVER_NAME,
+ .pm = &serial_omap_dev_pm_ops,
+ .of_match_table = of_match_ptr(omap_serial_of_match),
+ },
+};
+\end{minted}
+\end{frame}
+
\begin{frame}
\frametitle{Example of Another Non-Dynamic Bus: SPI}
\begin{itemize}
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