diff options
author | Christoph Muellner <christoph.muellner@theobroma-systems.com> | 2019-02-28 16:06:40 +0100 |
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committer | Christoph Muellner <christoph.muellner@theobroma-systems.com> | 2019-04-30 20:02:02 +0200 |
commit | 3ea780b7a13a70f8d4d4b51c9e76d20903040578 (patch) | |
tree | 3b371d5e14303f44a3be1729a656edf3cd937d40 /drivers/soc | |
parent | d0f8c46c8694791395d3f77e58e051b259aff188 (diff) |
arm64: dts: rockchip: Decrease emmc-phy's drive impedance on rk3399-puma
The RK3399-Q7 (Puma) requires 33 Ohm drive strength to ensure signal
integrity at HS-400 (200MHz clock, DDR signalling).
A repeated EMC testing run validates that this increase does not
negatively impact EMC compliance (emissions have ample distance to
the regulatory limits).
Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Tested-by: Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com>
Tested-by: Klaus Goger <klaus.goger@theobroma-systems.com>
Diffstat (limited to 'drivers/soc')
0 files changed, 0 insertions, 0 deletions