From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from forward1m.mail.yandex.net ([2a02:6b8:0:2519::3:10]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YTFew-0007rl-J4 for barebox@lists.infradead.org; Wed, 04 Mar 2015 20:12:47 +0000 Received: from smtp3m.mail.yandex.net (smtp3m.mail.yandex.net [77.88.61.130]) by forward1m.mail.yandex.net (Yandex) with ESMTP id 4A07B1221658 for ; Wed, 4 Mar 2015 23:12:04 +0300 (MSK) From: Andrey Panov Date: Wed, 4 Mar 2015 23:11:33 +0300 Message-Id: <1425499906-32125-6-git-send-email-rockford@yandex.ru> In-Reply-To: <1425499906-32125-1-git-send-email-rockford@yandex.ru> References: <1425499906-32125-1-git-send-email-rockford@yandex.ru> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH v2 05/18] CLK: clk-divider: Respect CLK_DIVIDER_HIWORD_MASK flag To: barebox@lists.infradead.org It is required for Rockchip SoCs where clock settings registers have write-enable mask in high word. Signed-off-by: Andrey Panov --- drivers/clk/clk-divider.c | 4 ++++ include/linux/clk.h | 2 ++ 2 files changed, 6 insertions(+) diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c index 506a966..eb48334 100644 --- a/drivers/clk/clk-divider.c +++ b/drivers/clk/clk-divider.c @@ -197,6 +197,10 @@ static int clk_divider_set_rate(struct clk *clk, unsigned long rate, val = readl(divider->reg); val &= ~(div_mask(divider) << divider->shift); val |= value << divider->shift; + + if (clk->flags & CLK_DIVIDER_HIWORD_MASK) + val |= div_mask(divider) << (divider->shift + 16); + writel(val, divider->reg); return 0; diff --git a/include/linux/clk.h b/include/linux/clk.h index 89cb44e..258bbe3 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -248,6 +248,8 @@ struct clk_divider { int table_size; }; +#define CLK_DIVIDER_HIWORD_MASK (1 << 3) + #define CLK_MUX_HIWORD_MASK (1 << 2) extern struct clk_ops clk_divider_ops; -- 2.1.4 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox