linux-kernel - [PATCH 1/2] staging: dt-bindings: wilc1000: add optional rtc

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Message-ID: <1567603548-13355-1-git-send-email-eugen.hristev@microchip.com>
Date:   Wed, 4 Sep 2019 13:33:55 +0000
From:   <Eugen.Hristev@...rochip.com>
To:     <Adham.Abozaeid@...rochip.com>, <Ajay.Kathat@...rochip.com>,
        <linux-wireless@...r.kernel.org>, <devel@...verdev.osuosl.org>,
        <linux-kernel@...r.kernel.org>
CC:     <Claudiu.Beznea@...rochip.com>, <Eugen.Hristev@...rochip.com>
Subject: [PATCH 1/2] staging: dt-bindings: wilc1000: add optional rtc_clk
 property

From: Eugen Hristev <eugen.hristev@...rochip.com>

Add bindings for optional rtc clock pin.

Signed-off-by: Eugen Hristev <eugen.hristev@...rochip.com>
---
 drivers/staging/wilc1000/microchip,wilc1000,sdio.txt | 8 +++++++-
 drivers/staging/wilc1000/microchip,wilc1000,spi.txt  | 8 ++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/wilc1000/microchip,wilc1000,sdio.txt b/drivers/staging/wilc1000/microchip,wilc1000,sdio.txt
index 4f7d1c2..da52359 100644
--- a/drivers/staging/wilc1000/microchip,wilc1000,sdio.txt
+++ b/drivers/staging/wilc1000/microchip,wilc1000,sdio.txt
@@ -10,7 +10,9 @@ Required properties:
 
 Optional:
 - bus-width	:	Number of data lines wired up the slot. Default 1 bit.
-
+- rtc_clk	:	Clock connected on the rtc clock line. Must be assigned
+			a frequency with assigned-clocks property, and must be
+			connected to a clock provider.
 
 Examples:
 mmc1: mmc@...00000 {
@@ -24,6 +26,10 @@ mmc1: mmc@...00000 {
 		wilc_sdio@0 {
 			compatible = "microchip,wilc1000-sdio";
 			irq-gpios = <&pioC 27 0>;
+			clocks = <&pck1>;
+			clock-names = "rtc_clk";
+			assigned-clocks = <&pck1>;
+			assigned-clock-rates = <32768>;
 			status = "okay";
 			reg = <0>;
 			bus-width = <4>;
diff --git a/drivers/staging/wilc1000/microchip,wilc1000,spi.txt b/drivers/staging/wilc1000/microchip,wilc1000,spi.txt
index 87db87b..3423693 100644
--- a/drivers/staging/wilc1000/microchip,wilc1000,spi.txt
+++ b/drivers/staging/wilc1000/microchip,wilc1000,spi.txt
@@ -9,6 +9,10 @@ Required properties:
 - reg			: Chip select address of device
 - irq-gpios		: Connect to a host IRQ
 
+Optional:
+- rtc_clk	:	Clock connected on the rtc clock line. Must be assigned
+			a frequency with assigned-clocks property, and must be
+			connected to a clock provider.
 
 Examples:
 
@@ -21,6 +25,10 @@ spi1: spi@...18000 {
 			spi-max-frequency = <48000000>;
 			reg = <0>;
 			irq-gpios = <&pioC 27 0>;
+			clocks = <&pck1>;
+			clock-names = "rtc_clk";
+			assigned-clocks = <&pck1>;
+			assigned-clock-rates = <32768>;
 			status = "okay";
 		};
 };
-- 
2.7.4