From mboxrd@z Thu Jan 1 00:00:00 1970 From: sshtylyov@mvista.com (Sergei Shtylyov) Date: Mon, 20 Dec 2010 13:43:35 +0300 Subject: [PATCH v4 1/2 (REPOST)] davinci: am18x/da850/omap-l138: add support for higher speed grades In-Reply-To: <1292840911-16325-1-git-send-email-nsekhar@ti.com> References: <1292840911-16325-1-git-send-email-nsekhar@ti.com> Message-ID: <4D0F3357.8060905@mvista.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hello. On 20-12-2010 13:28, Sekhar Nori wrote: > AM18x/DA850/OMAP-L138 SoCs have variants that can operate > at a maximum of 456 MHz at 1.3V operating point. Also the > 1.2V operating point has a variant that can support a maximum > of 375 MHz. > This patch adds three new OPPs (456 MHz, 408 MHz and 372 MHz) > to the list of DA850 OPPs. > Not all silicon is qualified to run at higher speeds and > unfortunately the maximum speed the chip can support can only > be determined from the label on the package (not software > readable). > Because of this, we depend on the maximum speed grade information > to be provided to us in some board specific way. The board informs > the maximum speed grade information to the SoC by calling the > da850_set_max_speed() function. This sentence no longer applies. You've reduced the function to a variable. > Signed-off-by: Sekhar Nori WBR, Sergei