Add Interconnect voting on the UFS probe to ask for the largest bandwidth possible.
Signed-off-by: Neil Armstrong <[email protected]> --- drivers/ufs/ufs-qcom.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/ufs/ufs-qcom.c b/drivers/ufs/ufs-qcom.c index 9f0a6940d98..ee43958d5d8 100644 --- a/drivers/ufs/ufs-qcom.c +++ b/drivers/ufs/ufs-qcom.c @@ -16,6 +16,7 @@ #include <generic-phy.h> #include <ufs.h> #include <asm/gpio.h> +#include <interconnect.h> #include <linux/bitops.h> #include <linux/delay.h> @@ -26,6 +27,9 @@ #define ceil(freq, div) ((freq) % (div) == 0 ? ((freq) / (div)) : ((freq) / (div) + 1)) +#define UFS_DDR_MAX_BANDWIDTH 7643136 +#define UFS_CPU_MAX_BANDWIDTH 819200 + static void ufs_qcom_dev_ref_clk_ctrl(struct ufs_hba *hba, bool enable); static int ufs_qcom_enable_clks(struct ufs_qcom_priv *priv) @@ -625,8 +629,17 @@ static struct ufs_hba_ops ufs_qcom_hba_ops = { static int ufs_qcom_probe(struct udevice *dev) { struct ufs_qcom_priv *priv = dev_get_priv(dev); + struct icc_path *path; int ret; + path = of_icc_get(dev, "ufs-ddr"); + if (!IS_ERR(path)) + icc_set_bw(path, 0, UFS_DDR_MAX_BANDWIDTH); + + path = of_icc_get(dev, "cpu-ufs"); + if (!IS_ERR(path)) + icc_set_bw(path, 0, UFS_CPU_MAX_BANDWIDTH); + /* get resets */ ret = reset_get_by_name(dev, "rst", &priv->core_reset); if (ret) { -- 2.34.1
