Thread (12 messages) 12 messages, 2 authors, 2015-10-15

[PATCH 2/7] includes: dt-bindings: Add STM32F429 pinctrl DT bindings

From: Daniel Thompson <hidden>
Date: 2015-10-15 11:15:05
Also in: linux-devicetree, linux-gpio, lkml

On 14/10/15 21:07, Maxime Coquelin wrote:
quoted hunk ↗ jump to hunk
Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com>
---
  include/dt-bindings/pinctrl/pinctrl-stm32.h     |   12 +
  include/dt-bindings/pinctrl/stm32f429-pinfunc.h | 1241 +++++++++++++++++++++++
  2 files changed, 1253 insertions(+)
  create mode 100644 include/dt-bindings/pinctrl/pinctrl-stm32.h
  create mode 100644 include/dt-bindings/pinctrl/stm32f429-pinfunc.h
diff --git a/include/dt-bindings/pinctrl/pinctrl-stm32.h b/include/dt-bindings/pinctrl/pinctrl-stm32.h
new file mode 100644
index 0000000..a2e7222
--- /dev/null
+++ b/include/dt-bindings/pinctrl/pinctrl-stm32.h
@@ -0,0 +1,12 @@
+#ifndef _DT_BINDINGS_PINCTRL_STM32_H
+#define _DT_BINDINGS_PINCTRL_STM32_H
+
+#define STM32_PIN_NO(x) ((x) << 8)
+#define STM32_GET_PIN_NO(x) ((x) >> 8)
+#define STM32_GET_PIN_FUNC(x) ((x) & 0xff)
+
+#define STM32_PIN_GPIO		0
+#define STM32_PIN_AF(x)		((x) + 1)
+#define STM32_PIN_ANALOG	(STM32_PIN_AF(15) + 1)
+
+#endif /* _DT_BINDINGS_PINCTRL_STM32_H */
diff --git a/include/dt-bindings/pinctrl/stm32f429-pinfunc.h b/include/dt-bindings/pinctrl/stm32f429-pinfunc.h
new file mode 100644
index 0000000..979e4eb
--- /dev/null
+++ b/include/dt-bindings/pinctrl/stm32f429-pinfunc.h
@@ -0,0 +1,1241 @@
+#ifndef _DT_BINDINGS_STM32F429_PINFUNC_H
+#define _DT_BINDINGS_STM32F429_PINFUNC_H
+
+#include <dt-bindings/pinctrl/pinctrl-stm32.h>
+
+#define STM32F429_PA0_FUNC_GPIO (STM32_PIN_NO(0) | STM32_PIN_GPIO)
+#define STM32F429_PA0_FUNC_TIM2_CH1 TIM2_ETR (STM32_PIN_NO(0) | STM32_PIN_AF(1))
For the clock driver I was advised to get rid of this sort of "heroics" 
and expose raw numbers from the datasheet directly to DT bindings users.

Should the same logic apply to this *huge* collection of macros?
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help