[U-Boot,v5,2/8] armv8/ls1088a/ls2088a: esdhc: Add esdhc clock support

Message ID 20180810075231.28650-2-yinbo.zhu@nxp.com
State Superseded
Delegated to: York Sun
Headers show
Series
  • [U-Boot,v5,1/8] dm: mmc: use block layer in mmc driver
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Commit Message

Yinbo Zhu Aug. 10, 2018, 7:52 a.m.
This patch adds esdhc clock support for ls1088a and ls2088a.

Signed-off-by: Yinbo Zhu <yinbo.zhu@nxp.com>
---
 .../arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

Patch

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c
index 653c6dd..bc268e2 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c
@@ -192,6 +192,16 @@  int get_dspi_freq(ulong dummy)
 	return get_bus_freq(0) / CONFIG_SYS_FSL_DSPI_CLK_DIV;
 }
 
+#ifdef CONFIG_FSL_ESDHC
+int get_sdhc_freq(ulong dummy)
+{
+	if (!gd->arch.sdhc_clk)
+		get_clocks();
+
+	return gd->arch.sdhc_clk;
+}
+#endif
+
 int get_serial_clock(void)
 {
 	return get_bus_freq(0) / CONFIG_SYS_FSL_DUART_CLK_DIV;
@@ -202,6 +212,10 @@  unsigned int mxc_get_clock(enum mxc_clock clk)
 	switch (clk) {
 	case MXC_I2C_CLK:
 		return get_i2c_freq(0);
+#if defined(CONFIG_FSL_ESDHC)
+	case MXC_ESDHC_CLK:
+		return get_sdhc_freq(0);
+#endif
 	case MXC_DSPI_CLK:
 		return get_dspi_freq(0);
 	default: