diff options
Diffstat (limited to 'Bindings/pinctrl/samsung-pinctrl.txt')
| -rw-r--r-- | Bindings/pinctrl/samsung-pinctrl.txt | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/Bindings/pinctrl/samsung-pinctrl.txt b/Bindings/pinctrl/samsung-pinctrl.txt index 257677de3e6b..e82aaf492517 100644 --- a/Bindings/pinctrl/samsung-pinctrl.txt +++ b/Bindings/pinctrl/samsung-pinctrl.txt @@ -16,6 +16,7 @@ Required Properties: - "samsung,exynos4210-pinctrl": for Exynos4210 compatible pin-controller. - "samsung,exynos4x12-pinctrl": for Exynos4x12 compatible pin-controller. - "samsung,exynos5250-pinctrl": for Exynos5250 compatible pin-controller. + - "samsung,exynos5260-pinctrl": for Exynos5260 compatible pin-controller. - "samsung,exynos5420-pinctrl": for Exynos5420 compatible pin-controller. - reg: Base address of the pin controller hardware module and length of @@ -43,7 +44,11 @@ Required Properties: - Pin mux/config groups as child nodes: The pin mux (selecting pin function mode) and pin config (pull up/down, driver strength) settings are represented as child nodes of the pin-controller node. There should be atleast one - child node and there is no limit on the count of these child nodes. + child node and there is no limit on the count of these child nodes. It is + also possible for a child node to consist of several further child nodes + to allow grouping multiple pinctrl groups into one. The format of second + level child nodes is exactly the same as for first level ones and is + described below. The child node should contain a list of pin(s) on which a particular pin function selection or pin configuration (or both) have to applied. This @@ -70,6 +75,7 @@ Required Properties: "samsung,pins" property of the child node. The following pin configuration properties are supported. + - samsung,pin-val: Initial value of pin output buffer. - samsung,pin-pud: Pull up/down configuration. - samsung,pin-drv: Drive strength configuration. - samsung,pin-pud-pdn: Pull up/down configuration in power down mode. @@ -248,6 +254,23 @@ Example 1: A pin-controller node with pin groups. samsung,pin-pud = <3>; samsung,pin-drv = <0>; }; + + sd4_bus8: sd4-bus-width8 { + part-1 { + samsung,pins = "gpk0-3", "gpk0-4", + "gpk0-5", "gpk0-6"; + samsung,pin-function = <3>; + samsung,pin-pud = <3>; + samsung,pin-drv = <3>; + }; + part-2 { + samsung,pins = "gpk1-3", "gpk1-4", + "gpk1-5", "gpk1-6"; + samsung,pin-function = <4>; + samsung,pin-pud = <4>; + samsung,pin-drv = <3>; + }; + }; }; Example 2: A pin-controller node with external wakeup interrupt controller node. |