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Tue, 16 Jan 2024 23:52:55 -0800 (PST) From: Jagan Teki To: Anatolij Gustschin , Neil Armstrong , Andre Przywara , Kever Yang , Simon Glass , Heiko Stuebner , Andy Yan , Robin Murphy Cc: Da Xue , u-boot@lists.denx.de, Jagan Teki Subject: [PATCH v3 10/17] clk: rk3328: Add get hdmiphy clock Date: Wed, 17 Jan 2024 13:21:47 +0530 Message-Id: <20240117075154.58747-11-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240117075154.58747-1-jagan@amarulasolutions.com> References: <20240117075154.58747-1-jagan@amarulasolutions.com> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean From: Jagan Teki Add support to get the hdmiphy clock for RK3328 PCLK_HDMIPHY. Signed-off-by: Jagan Teki --- Changes for v3, v2: - none drivers/clk/rockchip/clk_rk3328.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/clk/rockchip/clk_rk3328.c b/drivers/clk/rockchip/clk_rk3328.c index ee7edb9d10..5bb9238abb 100644 --- a/drivers/clk/rockchip/clk_rk3328.c +++ b/drivers/clk/rockchip/clk_rk3328.c @@ -179,6 +179,10 @@ enum { CLK_I2C3_DIV_CON_SHIFT = 8, CLK_I2C2_PLL_SEL_SHIFT = 7, CLK_I2C2_DIV_CON_SHIFT = 0, + + /* CLKSEL_CON40 */ + CLK_HDMIPHY_DIV_CON_SHIFT = 3, + CLK_HDMIPHY_DIV_CON_MASK = 0x7 << CLK_HDMIPHY_DIV_CON_SHIFT, }; #define VCO_MAX_KHZ (3200 * (MHz / KHz)) @@ -661,6 +665,16 @@ static ulong rk3328_vop_set_clk(struct rk3328_clk_priv *priv, } #endif +static ulong rk3328_hdmiphy_get_clk(struct rk3328_cru *cru) +{ + u32 div, con; + + con = readl(&cru->clksel_con[40]); + div = (con & CLK_HDMIPHY_DIV_CON_MASK) >> CLK_HDMIPHY_DIV_CON_SHIFT; + + return DIV_TO_RATE(GPLL_HZ, div); +} + static ulong rk3328_clk_get_rate(struct clk *clk) { struct rk3328_clk_priv *priv = dev_get_priv(clk->dev); @@ -690,6 +704,9 @@ static ulong rk3328_clk_get_rate(struct clk *clk) case SCLK_SPI: rate = rk3328_spi_get_clk(priv->cru); break; + case PCLK_HDMIPHY: + rate = rk3328_hdmiphy_get_clk(priv->cru); + break; default: return -ENOENT; }