[PATCH v2] arm64: dts: imx8qm: added lvds pwm

Oliver Graute oliver.graute at kococonnector.com
Tue Aug 18 02:20:47 EDT 2020


Add nodes for lvds pwms

Signed-off-by: Oliver Graute <oliver.graute at kococonnector.com>
---
 .../boot/dts/freescale/imx8-ss-lsio.dtsi      | 84 +++++++++++++++++++
 drivers/clk/imx/clk-imx8qxp.c                 | 14 +++-
 drivers/firmware/imx/scu-pd.c                 |  6 +-
 include/dt-bindings/clock/imx8-clock.h        | 12 +++
 4 files changed, 112 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi
index c21e0818887b..be241813fbea 100644
--- a/arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi
@@ -7,6 +7,90 @@
 #include <dt-bindings/clock/imx8-lpcg.h>
 #include <dt-bindings/firmware/imx/rsrc.h>
 
+lvds0_subsys: bus at 56240000
+{
+	compatible = "simple-bus";
+	#address-cells = <1>;
+	#size-cells = <1>;
+	ranges = <0x56240000 0x0 0x56240000 0x10000>;
+
+	lvds0_ipg_clk: clock-lvds-ipg {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <24000000>;
+			clock-output-names = "lvds0_ipg_clk";
+	};
+
+	lvds0_lpcg: clock-controller at 5624300c {
+		compatible = "fsl,imx8qxp-lpcg";
+		reg = <0x5624300c 0x4>;
+		#clock-cells = <1>;
+		clocks = <&clk IMX_SC_R_LVDS_0_PWM_0 IMX_SC_PM_CLK_PER>,
+			 <&lvds0_ipg_clk>;
+		clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
+		clock-output-names = "lvds0_pwm_lpcg_clk",
+					     "lvds0_pwm_lpcg_ipg_clk";
+		power-domains = <&pd IMX_SC_R_LVDS_0_PWM_0>;
+	};
+
+	lvds0_pwm: pwm at 56244000 {
+		compatible = "fsl,imx8qm-pwm", "fsl,imx27-pwm";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		reg = <0x56244000 0x1000>;
+		clocks = <&lvds0_lpcg IMX_LPCG_CLK_0>,
+		 <&lvds0_lpcg IMX_LPCG_CLK_4>;
+		clock-names = "per", "ipg";
+		assigned-clocks = <&clk IMX_SC_R_LVDS_0_PWM_0 IMX_SC_PM_CLK_PER>;
+		assigned-clock-rates = <24000000>;
+		#pwm-cells = <2>;
+		power-domains = <&pd IMX_SC_R_LVDS_0_PWM_0>;
+		status = "disabled";
+	};
+};
+
+lvds1_subsys: bus at 57240000
+{
+	compatible = "simple-bus";
+	#address-cells = <1>;
+	#size-cells = <1>;
+	ranges = <0x57240000 0x0 0x57240000 0x10000>;
+
+	lvds1_ipg_clk: clock-lvds-ipg {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <24000000>;
+			clock-output-names = "lvds1_ipg_clk";
+		};
+
+	lvds1_lpcg: clock-controller at 5724300c {
+		compatible = "fsl,imx8qxp-lpcg";
+		reg = <0x5724300c 0x4>;
+		#clock-cells = <1>;
+		clocks = <&clk IMX_SC_R_LVDS_1_PWM_0 IMX_SC_PM_CLK_PER>,
+				 <&lvds1_ipg_clk>;
+		clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
+		clock-output-names = "lvds1_pwm_lpcg_clk",
+				     "lvds1_pwm_lpcg_ipg_clk";
+		power-domains = <&pd IMX_SC_R_LVDS_1_PWM_0>;
+	};
+
+	lvds1_pwm: pwm at 57244000 {
+		compatible = "fsl,imx8qm-pwm", "fsl,imx27-pwm";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		reg = <0x57244000 0x1000>;
+		clocks = <&lvds1_lpcg IMX_LPCG_CLK_0>,
+			 <&lvds1_lpcg IMX_LPCG_CLK_4>;
+		clock-names = "per", "ipg";
+		assigned-clocks = <&clk IMX_SC_R_LVDS_1_PWM_0 IMX_SC_PM_CLK_PER>;
+		assigned-clock-rates = <24000000>;
+		#pwm-cells = <2>;
+		power-domains = <&pd IMX_SC_R_LVDS_1_PWM_0>;
+		status = "disabled";
+	};
+};
+
 lsio_subsys: bus at 5d000000 {
 	compatible = "simple-bus";
 	#address-cells = <1>;
diff --git a/drivers/clk/imx/clk-imx8qxp.c b/drivers/clk/imx/clk-imx8qxp.c
index a6b690d94025..45b63ed06619 100644
--- a/drivers/clk/imx/clk-imx8qxp.c
+++ b/drivers/clk/imx/clk-imx8qxp.c
@@ -97,8 +97,6 @@ static int imx8qxp_clk_probe(struct platform_device *pdev)
 	clks[IMX_ADMA_FTM0_CLK]		= imx_clk_scu("ftm0_clk",  IMX_SC_R_FTM_0, IMX_SC_PM_CLK_PER, clk_cells);
 	clks[IMX_ADMA_FTM1_CLK]		= imx_clk_scu("ftm1_clk",  IMX_SC_R_FTM_1, IMX_SC_PM_CLK_PER, clk_cells);
 	clks[IMX_ADMA_ADC0_CLK]		= imx_clk_scu("adc0_clk",  IMX_SC_R_ADC_0, IMX_SC_PM_CLK_PER, clk_cells);
-	clks[IMX_ADMA_PWM_CLK]		= imx_clk_scu("pwm_clk",   IMX_SC_R_LCD_0_PWM_0, IMX_SC_PM_CLK_PER, clk_cells);
-	clks[IMX_ADMA_LCD_CLK]		= imx_clk_scu("lcd_clk",   IMX_SC_R_LCD_0, IMX_SC_PM_CLK_PER, clk_cells);
 
 	/* Connectivity */
 	clks[IMX_CONN_SDHC0_CLK]	= imx_clk_scu("sdhc0_clk", IMX_SC_R_SDHC_0, IMX_SC_PM_CLK_PER, clk_cells);
@@ -130,6 +128,18 @@ static int imx8qxp_clk_probe(struct platform_device *pdev)
 	clks[IMX_CSI0_I2C0_CLK]		= imx_clk_scu("mipi_csi0_i2c0_clk", IMX_SC_R_CSI_0_I2C_0, IMX_SC_PM_CLK_PER, clk_cells);
 	clks[IMX_CSI0_PWM0_CLK]		= imx_clk_scu("mipi_csi0_pwm0_clk", IMX_SC_R_CSI_0_PWM_0, IMX_SC_PM_CLK_PER, clk_cells);
 
+/*LVDS*/
+	clks[IMX_LVDS0_PIXEL_CLK]       = imx_clk_scu("lvds0_pixel_clk", IMX_SC_R_LVDS_0, IMX_SC_PM_CLK_PER, clk_cells);
+	clks[IMX_LVDS0_I2C0_CLK]        = imx_clk_scu("lvds0_i2c0_clk", IMX_SC_R_LVDS_0_I2C_0, IMX_SC_PM_CLK_PER, clk_cells);
+	clks[IMX_LVDS0_I2C1_CLK]        = imx_clk_scu("lvds0_i2c1_clk", IMX_SC_R_LVDS_0_I2C_1, IMX_SC_PM_CLK_PER, clk_cells);
+	clks[IMX_LVDS0_PWM0_CLK]        = imx_clk_scu("lvds0_pwm0_clk", IMX_SC_R_LVDS_0_PWM_0, IMX_SC_PM_CLK_PER, clk_cells);
+	clks[IMX_LVDS0_PHY_CLK]         = imx_clk_scu("lvds0_phy_clk", IMX_SC_R_LVDS_0, IMX_SC_PM_CLK_PHY, clk_cells);
+	clks[IMX_LVDS1_PIXEL_CLK]       = imx_clk_scu("lvds1_pixel_clk", IMX_SC_R_LVDS_1, IMX_SC_PM_CLK_PER, clk_cells);
+	clks[IMX_LVDS1_I2C0_CLK]        = imx_clk_scu("lvds1_i2c0_clk", IMX_SC_R_LVDS_1_I2C_0, IMX_SC_PM_CLK_PER, clk_cells);
+	clks[IMX_LVDS1_I2C1_CLK]        = imx_clk_scu("lvds1_i2c1_clk", IMX_SC_R_LVDS_1_I2C_1, IMX_SC_PM_CLK_PER, clk_cells);
+	clks[IMX_LVDS1_PWM0_CLK]        = imx_clk_scu("lvds1_pwm0_clk", IMX_SC_R_LVDS_1_PWM_0, IMX_SC_PM_CLK_PER, clk_cells);
+	clks[IMX_LVDS1_PHY_CLK]         = imx_clk_scu("lvds1_phy_clk", IMX_SC_R_LVDS_1, IMX_SC_PM_CLK_PHY, clk_cells);
+
 	/* GPU SS */
 	clks[IMX_GPU0_CORE_CLK]		= imx_clk_scu("gpu_core0_clk",	 IMX_SC_R_GPU_0_PID0, IMX_SC_PM_CLK_PER, clk_cells);
 	clks[IMX_GPU0_SHADER_CLK]	= imx_clk_scu("gpu_shader0_clk", IMX_SC_R_GPU_0_PID0, IMX_SC_PM_CLK_MISC, clk_cells);
diff --git a/drivers/firmware/imx/scu-pd.c b/drivers/firmware/imx/scu-pd.c
index e6ed965c2134..1c51a22bb72c 100644
--- a/drivers/firmware/imx/scu-pd.c
+++ b/drivers/firmware/imx/scu-pd.c
@@ -136,8 +136,6 @@ static const struct imx_sc_pd_range imx8qxp_scu_pd_ranges[] = {
 	{ "ftm", IMX_SC_R_FTM_0, 2, true, 0 },
 	{ "lpi2c", IMX_SC_R_I2C_0, 4, true, 0 },
 	{ "adc", IMX_SC_R_ADC_0, 1, true, 0 },
-	{ "lcd", IMX_SC_R_LCD_0, 1, true, 0 },
-	{ "lcd0-pwm", IMX_SC_R_LCD_0_PWM_0, 1, true, 0 },
 	{ "lpuart", IMX_SC_R_UART_0, 4, true, 0 },
 	{ "lpspi", IMX_SC_R_SPI_0, 4, true, 0 },
 	{ "irqstr_dsp", IMX_SC_R_IRQSTR_DSP, 1, false, 0 },
@@ -163,6 +161,10 @@ static const struct imx_sc_pd_range imx8qxp_scu_pd_ranges[] = {
 
 	/* LVDS SS */
 	{ "lvds0", IMX_SC_R_LVDS_0, 1, false, 0 },
+	{ "lvds0-pwm0", IMX_SC_R_LVDS_0_PWM_0, 1, false, 0 },
+	{ "lvds1", IMX_SC_R_LVDS_1, 1, false, 0 },
+	{ "lvds1-i2c", IMX_SC_R_LVDS_1_I2C_0, 2, true, 0 },
+	{ "lvds1-pwm0", IMX_SC_R_LVDS_1_PWM_0, 1, false, 0 },
 
 	/* DC SS */
 	{ "dc0", IMX_SC_R_DC_0, 1, false, 0 },
diff --git a/include/dt-bindings/clock/imx8-clock.h b/include/dt-bindings/clock/imx8-clock.h
index 003b0293c9b5..d8d07833fbc2 100644
--- a/include/dt-bindings/clock/imx8-clock.h
+++ b/include/dt-bindings/clock/imx8-clock.h
@@ -135,6 +135,18 @@
 #define IMX_A72_CLK					191
 #define IMX_SCU_CLK_END					192
 
+/*LVDS*/
+#define IMX_LVDS0_PIXEL_CLK				200
+#define IMX_LVDS0_I2C0_CLK				201
+#define IMX_LVDS0_I2C1_CLK				202
+#define IMX_LVDS0_PWM0_CLK				203
+#define IMX_LVDS0_PHY_CLK				204
+#define IMX_LVDS1_PIXEL_CLK				205
+#define IMX_LVDS1_I2C0_CLK				206
+#define IMX_LVDS1_I2C1_CLK				207
+#define IMX_LVDS1_PWM0_CLK				208
+#define IMX_LVDS1_PHY_CLK				209
+
 /* LPCG clocks */
 
 /* LSIO SS LPCG */
-- 
2.26.0




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