[PATCH 2/3] ARM: imx: Using proper clocks for RTC driver

Alexander Shiyan shc_work at mail.ru
Sun Jun 16 07:20:23 EDT 2013


i.MX RTC driver requires 32k clock for time function and optional
clock for module itself. This patch fixes these clock names for the
driver and adds missing definitions.

Signed-off-by: Alexander Shiyan <shc_work at mail.ru>
---
 arch/arm/mach-imx/clk-imx1.c  | 2 +-
 arch/arm/mach-imx/clk-imx21.c | 3 ++-
 arch/arm/mach-imx/clk-imx27.c | 3 ++-
 arch/arm/mach-imx/clk-imx31.c | 3 ++-
 arch/arm/mach-imx/clk-imx35.c | 2 ++
 drivers/rtc/rtc-mxc.c         | 2 +-
 6 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/arch/arm/mach-imx/clk-imx1.c b/arch/arm/mach-imx/clk-imx1.c
index 15f9d22..b001a8d 100644
--- a/arch/arm/mach-imx/clk-imx1.c
+++ b/arch/arm/mach-imx/clk-imx1.c
@@ -106,7 +106,7 @@ int __init mx1_clocks_init(unsigned long fref)
 	clk_register_clkdev(clk[dummy], "ahb", "imx1-fb.0");
 	clk_register_clkdev(clk[hclk], "mshc", NULL);
 	clk_register_clkdev(clk[per3], "ssi", NULL);
-	clk_register_clkdev(clk[clk32], NULL, "imx1-rtc.0");
+	clk_register_clkdev(clk[clk32], "rtc", "imx1-rtc");
 	clk_register_clkdev(clk[clko], "clko", NULL);
 
 	mxc_timer_init(MX1_IO_ADDRESS(MX1_TIM1_BASE_ADDR), MX1_TIM1_INT);
diff --git a/arch/arm/mach-imx/clk-imx21.c b/arch/arm/mach-imx/clk-imx21.c
index d7ed660..a88f331 100644
--- a/arch/arm/mach-imx/clk-imx21.c
+++ b/arch/arm/mach-imx/clk-imx21.c
@@ -172,7 +172,8 @@ int __init mx21_clocks_init(unsigned long lref, unsigned long href)
 	clk_register_clkdev(clk[emma_gate], "emma", NULL);
 	clk_register_clkdev(clk[slcdc_gate], "slcdc", NULL);
 	clk_register_clkdev(clk[gpio_gate], "gpio", NULL);
-	clk_register_clkdev(clk[rtc_gate], "rtc", NULL);
+	clk_register_clkdev(clk[ckil], "rtc", "imx21-rtc");
+	clk_register_clkdev(clk[rtc_gate], "ipg", "imx21-rtc");
 	clk_register_clkdev(clk[csi_hclk_gate], "csi", NULL);
 	clk_register_clkdev(clk[ssi1_gate], "ssi1", NULL);
 	clk_register_clkdev(clk[ssi2_gate], "ssi2", NULL);
diff --git a/arch/arm/mach-imx/clk-imx27.c b/arch/arm/mach-imx/clk-imx27.c
index c3cfa41..f1c01c4 100644
--- a/arch/arm/mach-imx/clk-imx27.c
+++ b/arch/arm/mach-imx/clk-imx27.c
@@ -283,7 +283,8 @@ int __init mx27_clocks_init(unsigned long fref)
 	clk_register_clkdev(clk[gpio_ipg_gate], "gpio", NULL);
 	clk_register_clkdev(clk[brom_ahb_gate], "brom", NULL);
 	clk_register_clkdev(clk[ata_ahb_gate], "ata", NULL);
-	clk_register_clkdev(clk[rtc_ipg_gate], NULL, "imx21-rtc");
+	clk_register_clkdev(clk[ckil], "rtc", "imx21-rtc");
+	clk_register_clkdev(clk[rtc_ipg_gate], "ipg", "imx21-rtc");
 	clk_register_clkdev(clk[scc_ipg_gate], "scc", NULL);
 	clk_register_clkdev(clk[cpu_div], NULL, "cpufreq-cpu0.0");
 	clk_register_clkdev(clk[emi_ahb_gate], "emi_ahb" , NULL);
diff --git a/arch/arm/mach-imx/clk-imx31.c b/arch/arm/mach-imx/clk-imx31.c
index b5b65f3..3f2676d 100644
--- a/arch/arm/mach-imx/clk-imx31.c
+++ b/arch/arm/mach-imx/clk-imx31.c
@@ -134,7 +134,8 @@ int __init mx31_clocks_init(unsigned long fref)
 	clk_register_clkdev(clk[cspi3_gate], NULL, "imx31-cspi.2");
 	clk_register_clkdev(clk[pwm_gate], "pwm", NULL);
 	clk_register_clkdev(clk[wdog_gate], NULL, "imx2-wdt.0");
-	clk_register_clkdev(clk[rtc_gate], NULL, "imx21-rtc");
+	clk_register_clkdev(clk[ckil], "rtc", "imx21-rtc");
+	clk_register_clkdev(clk[rtc_gate], "ipg", "imx21-rtc");
 	clk_register_clkdev(clk[epit1_gate], "epit", NULL);
 	clk_register_clkdev(clk[epit2_gate], "epit", NULL);
 	clk_register_clkdev(clk[nfc], NULL, "imx27-nand.0");
diff --git a/arch/arm/mach-imx/clk-imx35.c b/arch/arm/mach-imx/clk-imx35.c
index 2193c83..2e5af91 100644
--- a/arch/arm/mach-imx/clk-imx35.c
+++ b/arch/arm/mach-imx/clk-imx35.c
@@ -258,6 +258,8 @@ int __init mx35_clocks_init(void)
 	clk_register_clkdev(clk[nfc_div], NULL, "imx25-nand.0");
 	clk_register_clkdev(clk[csi_gate], NULL, "mx3-camera.0");
 	clk_register_clkdev(clk[admux_gate], "audmux", NULL);
+	clk_register_clkdev(clk[ckil], "rtc", "imx21-rtc");
+	clk_register_clkdev(clk[rtc_gate], "ipg", "imx21-rtc");
 
 	clk_prepare_enable(clk[spba_gate]);
 	clk_prepare_enable(clk[gpio1_gate]);
diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c
index 8becb95..3d692881 100644
--- a/drivers/rtc/rtc-mxc.c
+++ b/drivers/rtc/rtc-mxc.c
@@ -317,7 +317,7 @@ static int mxc_rtc_probe(struct platform_device *pdev)
 	if (IS_ERR(priv->ioaddr))
 		return PTR_ERR(priv->ioaddr);
 
-	priv->clk_rtc = devm_clk_get(&pdev->dev, NULL);
+	priv->clk_rtc = devm_clk_get(&pdev->dev, "rtc");
 	if (IS_ERR(priv->clk_rtc)) {
 		dev_err(&pdev->dev, "Unable to get clock!\n");
 		return PTR_ERR(priv->clk_rtc);
-- 
1.8.1.5




More information about the linux-arm-kernel mailing list