diff mbox series

[U-Boot,v2,2/2] mmc: Added Kconfig support for CONFIG_ZYNQ_SDHCI_MIN_FREQ

Message ID 1519813409-25305-3-git-send-email-vipulk@xilinx.com
State Accepted
Delegated to: Michal Simek
Headers show
Series mmc: Added Kconfig support to set minimum and maximum frequency of the mmc controller | expand

Commit Message

Vipul Kumar Feb. 28, 2018, 10:23 a.m. UTC 
This patch added Kconfig support for CONFIG_ZYNQ_SDHCI_MIN_FREQ
and enabled it in respective defconfig.

Signed-off-by: Vipul Kumar <vipulk@xilinx.com>
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
---
- Changes in v2:
- Set min. frequency for ep 100KHz
- Branch: u-boot-microblaze/kconfig
---
 configs/xilinx_zynqmp_ep_defconfig | 1 +
 drivers/mmc/Kconfig                | 7 +++++++
 drivers/mmc/zynq_sdhci.c           | 4 ----
 include/configs/xilinx_zynqmp_ep.h | 1 -
 4 files changed, 8 insertions(+), 5 deletions(-)

--
2.7.4

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diff mbox series

Patch

diff --git a/configs/xilinx_zynqmp_ep_defconfig b/configs/xilinx_zynqmp_ep_defconfig
index 00db5e3..a0c8f28 100644
--- a/configs/xilinx_zynqmp_ep_defconfig
+++ b/configs/xilinx_zynqmp_ep_defconfig
@@ -62,6 +62,7 @@  CONFIG_MISC=y
 CONFIG_DM_MMC=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_ZYNQ=y
+CONFIG_ZYNQ_SDHCI_MIN_FREQ=100000
 CONFIG_NAND=y
 CONFIG_NAND_ARASAN=y
 CONFIG_SPI_FLASH=y
diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig
index 42b7d21..4f2993c 100644
--- a/drivers/mmc/Kconfig
+++ b/drivers/mmc/Kconfig
@@ -478,6 +478,13 @@  config ZYNQ_SDHCI_MAX_FREQ
        help
          Set the maximum frequency for the SDHCI controller.

+config ZYNQ_SDHCI_MIN_FREQ
+       int "Set the minimum frequencyof the controller"
+       depends on MMC_SDHCI_ZYNQ
+       default 0
+       help
+         Set the minimum frequencyof the controller.
+
 config MMC_SUNXI
        bool "Allwinner sunxi SD/MMC Host Controller support"
        depends on ARCH_SUNXI && !UART0_PORT_F
diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c
index 0fddb42..414778c 100644
--- a/drivers/mmc/zynq_sdhci.c
+++ b/drivers/mmc/zynq_sdhci.c
@@ -16,10 +16,6 @@ 

 DECLARE_GLOBAL_DATA_PTR;

-#ifndef CONFIG_ZYNQ_SDHCI_MIN_FREQ
-# define CONFIG_ZYNQ_SDHCI_MIN_FREQ    0
-#endif
-
 struct arasan_sdhci_plat {
        struct mmc_config cfg;
        struct mmc mmc;
diff --git a/include/configs/xilinx_zynqmp_ep.h b/include/configs/xilinx_zynqmp_ep.h
index a77eeea..a26377a 100644
--- a/include/configs/xilinx_zynqmp_ep.h
+++ b/include/configs/xilinx_zynqmp_ep.h
@@ -13,7 +13,6 @@ 
 #ifndef __CONFIG_ZYNQMP_EP_H
 #define __CONFIG_ZYNQMP_EP_H

-#define CONFIG_ZYNQ_SDHCI_MIN_FREQ     (CONFIG_ZYNQ_SDHCI_MAX_FREQ >> 9)
 #define CONFIG_ZYNQ_EEPROM
 #define CONFIG_ZYNQMP_XHCI_LIST {ZYNQMP_USB0_XHCI_BASEADDR, \
                                 ZYNQMP_USB1_XHCI_BASEADDR}