[PATCH] ARM: i.MX35: Implement camera and keypad clocks

Alex Gershgorin alexg at meprolight.com
Sun Sep 2 02:27:20 EDT 2012


This patch also adds mux and divider for camera clock.
Tested on i.MX35-pdk. 

Signed-off-by: Alex Gershgorin <alexg at meprolight.com>
---
 arch/arm/mach-imx/clk-imx35.c |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-imx/clk-imx35.c b/arch/arm/mach-imx/clk-imx35.c
index c6422fb..cebc71d 100644
--- a/arch/arm/mach-imx/clk-imx35.c
+++ b/arch/arm/mach-imx/clk-imx35.c
@@ -62,8 +62,8 @@ enum mx35_clks {
 	kpp_gate, mlb_gate, mshc_gate, owire_gate, pwm_gate, rngc_gate,
 	rtc_gate, rtic_gate, scc_gate, sdma_gate, spba_gate, spdif_gate,
 	ssi1_gate, ssi2_gate, uart1_gate, uart2_gate, uart3_gate, usbotg_gate,
-	wdog_gate, max_gate, admux_gate, csi_gate, iim_gate, gpu2d_gate,
-	clk_max
+	wdog_gate, max_gate, admux_gate, csi_gate, csi_div, csi_sel, iim_gate,
+	gpu2d_gate, clk_max
 };
 
 static struct clk *clk[clk_max];
@@ -142,6 +142,9 @@ int __init mx35_clocks_init()
 
 	clk[nfc_div] = imx_clk_divider("nfc_div", "ahb", base + MX35_CCM_PDR4, 28, 4);
 
+	clk[csi_sel] = imx_clk_mux("csi_sel", base + MX35_CCM_PDR2, 7, 1, std_sel, ARRAY_SIZE(std_sel));
+	clk[csi_div] = imx_clk_divider("csi_div", "csi_sel", base + MX35_CCM_PDR2, 16, 6);
+
 	clk[asrc_gate] = imx_clk_gate2("asrc_gate", "ipg", base + MX35_CCM_CGR0,  0);
 	clk[pata_gate] = imx_clk_gate2("pata_gate", "ipg", base + MX35_CCM_CGR0,  2);
 	clk[audmux_gate] = imx_clk_gate2("audmux_gate", "ipg", base + MX35_CCM_CGR0,  4);
@@ -192,7 +195,7 @@ int __init mx35_clocks_init()
 	clk[max_gate] = imx_clk_gate2("max_gate", "dummy", base + MX35_CCM_CGR2, 26);
 	clk[admux_gate] = imx_clk_gate2("admux_gate", "ipg", base + MX35_CCM_CGR2, 30);
 
-	clk[csi_gate] = imx_clk_gate2("csi_gate", "ipg", base + MX35_CCM_CGR3,  0);
+	clk[csi_gate] = imx_clk_gate2("csi_gate", "csi_div", base + MX35_CCM_CGR3,  0);
 	clk[iim_gate] = imx_clk_gate2("iim_gate", "ipg", base + MX35_CCM_CGR3,  2);
 	clk[gpu2d_gate] = imx_clk_gate2("gpu2d_gate", "ahb", base + MX35_CCM_CGR3,  4);
 
@@ -228,6 +231,7 @@ int __init mx35_clocks_init()
 	clk_register_clkdev(clk[i2c3_gate], NULL, "imx-i2c.2");
 	clk_register_clkdev(clk[ipu_gate], NULL, "ipu-core");
 	clk_register_clkdev(clk[ipu_gate], NULL, "mx3_sdc_fb");
+	clk_register_clkdev(clk[kpp_gate], NULL, "imx-keypad");
 	clk_register_clkdev(clk[owire_gate], NULL, "mxc_w1");
 	clk_register_clkdev(clk[sdma_gate], NULL, "imx35-sdma");
 	clk_register_clkdev(clk[ipg], "ipg", "imx-ssi.0");
@@ -255,6 +259,7 @@ int __init mx35_clocks_init()
 	clk_register_clkdev(clk[usbotg_gate], "ahb", "fsl-usb2-udc");
 	clk_register_clkdev(clk[wdog_gate], NULL, "imx2-wdt.0");
 	clk_register_clkdev(clk[nfc_div], NULL, "mxc_nand.0");
+	clk_register_clkdev(clk[csi_gate], NULL, "mx3-camera.0");
 
 	clk_prepare_enable(clk[spba_gate]);
 	clk_prepare_enable(clk[gpio1_gate]);
-- 
1.7.0.4




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