linux-kernel - [RFC][PATCH 1/2] clk: hi6220: Add RTC clock for pl031

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Message-Id: <1464802762-23933-2-git-send-email-john.stultz@linaro.org>
Date:	Wed,  1 Jun 2016 10:39:21 -0700
From:	John Stultz <john.stultz@...aro.org>
To:	lkml <linux-kernel@...r.kernel.org>
Cc:	Zhangfei Gao <zhangfei.gao@...aro.org>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>, Wei Xu <xuwei5@...ilicon.com>,
	Guodong Xu <guodong.xu@...aro.org>,
	John Stultz <john.stultz@...aro.org>
Subject: [RFC][PATCH 1/2] clk: hi6220: Add RTC clock for pl031

From: Zhangfei Gao <zhangfei.gao@...aro.org>

Adds clk support for the pl031 RTC on hi6220

Cc: Michael Turquette <mturquette@...libre.com>
Cc: Stephen Boyd <sboyd@...eaurora.org>
Cc: Rob Herring <robh+dt@...nel.org>
Cc: Pawel Moll <pawel.moll@....com>
Cc: Wei Xu <xuwei5@...ilicon.com>
Cc: Guodong Xu <guodong.xu@...aro.org>
Signed-off-by: Zhangfei Gao <zhangfei.gao@...aro.org>
[jstultz: Forward ported, tweaked commit description]
Signed-off-by: John Stultz <john.stultz@...aro.org>
---
 drivers/clk/hisilicon/clk-hi6220.c       | 2 ++
 include/dt-bindings/clock/hi6220-clock.h | 5 +++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/hisilicon/clk-hi6220.c b/drivers/clk/hisilicon/clk-hi6220.c
index f02cb41..76de9a7 100644
--- a/drivers/clk/hisilicon/clk-hi6220.c
+++ b/drivers/clk/hisilicon/clk-hi6220.c
@@ -68,6 +68,8 @@ static struct hisi_gate_clock hi6220_separated_gate_clks_ao[] __initdata = {
 	{ HI6220_TIMER7_PCLK, "timer7_pclk", "clk_tcxo", CLK_SET_RATE_PARENT|CLK_IGNORE_UNUSED, 0x630, 22, 0, },
 	{ HI6220_TIMER8_PCLK, "timer8_pclk", "clk_tcxo", CLK_SET_RATE_PARENT|CLK_IGNORE_UNUSED, 0x630, 23, 0, },
 	{ HI6220_UART0_PCLK,  "uart0_pclk",  "clk_tcxo", CLK_SET_RATE_PARENT|CLK_IGNORE_UNUSED, 0x630, 24, 0, },
+	{ HI6220_RTC0_PCLK,   "rtc0_pclk",   "clk_tcxo", CLK_SET_RATE_PARENT|CLK_IGNORE_UNUSED, 0x630, 25, 0, },
+	{ HI6220_RTC1_PCLK,   "rtc1_pclk",   "clk_tcxo", CLK_SET_RATE_PARENT|CLK_IGNORE_UNUSED, 0x630, 26, 0, },
 };
 
 static void __init hi6220_clk_ao_init(struct device_node *np)
diff --git a/include/dt-bindings/clock/hi6220-clock.h b/include/dt-bindings/clock/hi6220-clock.h
index 70ee383..6b03c84 100644
--- a/include/dt-bindings/clock/hi6220-clock.h
+++ b/include/dt-bindings/clock/hi6220-clock.h
@@ -55,8 +55,9 @@
 #define HI6220_TIMER7_PCLK	34
 #define HI6220_TIMER8_PCLK	35
 #define HI6220_UART0_PCLK	36
-
-#define HI6220_AO_NR_CLKS	37
+#define HI6220_RTC0_PCLK	37
+#define HI6220_RTC1_PCLK	38
+#define HI6220_AO_NR_CLKS	39
 
 /* clk in Hi6220 systrl */
 /* gate clock */
-- 
1.9.1